N-7NSPI (Synapse) RIR-1 to RIR-46 - Redacted
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. REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load Forecast Report Synapse IR-9 Attachment 2 Page 5 of 205 January 31, 2023 C. Henwood • Energy System Platform (ESP) integration of one battery type (Tesla Powerwall) will exte...
AI summary The document outlines progress in the deployment of the Energy System Platform (ESP) and related assets for a project in Nova Scotia. The ESP, a cloud-based platform, integrates various energy resources, and while some installations have been delayed, overall progress remains on track for completion in 2023.
array of energy resources including solar photovoltaic (PV) and other generators, battery storage, commercial and industrial loads, smart water heaters, electric vehicle (EV) chargers, and microgrids. • Solution Designs continue to be revi...
AI summary The document outlines ongoing efforts by Siemens and NS Power to integrate various energy resources, including solar photovoltaic systems, battery storage, and smart devices, into the Energy System Platform (ESP). Integration progress includes completed and ongoing conformance testing, with revisions to solution designs and user guides.
w functionality to support use cases. • Data extract report designs and functionality for assets and events were developed during the reporting period and will be delivered in Q1 2023. EV SMART CHARGING • Use case testing continued through...
AI summary The document discusses the development of data extract report designs and functionality for assets and events, set to be delivered in Q1 2023. It also covers ongoing use case testing for EV smart charging, including issues with ChargePoint Home Flex units due to a Wi-Fi module defect, and the extension of testing into 2023 to analyze data from replaced/updated chargers.
. REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load Forecast Report Synapse IR-9 Attachment 2 Page 7 of 205 January 31, 2023 C. Henwood same use case schedule as the smart charging pilot, leading up to the replacement with the...
AI summary The document outlines the progress of EV charging infrastructure projects, including the deployment of bi-directional chargers, delays in procurement, and the exploration of alternative charging solutions to support use case testing and home backup capabilities.
not received a Sunrun HIS given delays in certification. NS Power will continue to work with vendors to obtain a HIS when it becomes available for purchase in Canada. COMMUNITY SOLAR GARDEN • A recurring current transformer (CT) failure wa...
AI summary The Community Solar Garden has faced technical issues, including CT failures and insulation installation to address condensation and moisture. An antenna was installed to improve connectivity with NS Power systems, enabling remote operations and data access for use case testing. Details on production and performance are provided in Attachment 4.
. REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load Forecast Report Synapse IR-9 Attachment 2 Page 8 of 205 January 31, 2023 C. Henwood DISTRIBUTED BATTERIES • NS Power resolved a communication latency problem with the cellula...
AI summary NS Power has resolved a communication latency issue in Sunverge LG installations by reconfiguring modems to use customer internet or public cellular. An ongoing internal communication issue between LG batteries and inverters is being investigated, with recommendations for cable replacement. Tesla installations are being integrated into Tesla Powerhub and the Energy System Platform.
ries to make sure the issue is resolved. • Tesla installations continue to be onboarded into Tesla Powerhub for full utility control and visibility. Tesla integration with ESP is ongoing. COMMERCIAL AND INDUSTRIAL SOLAR + BATTERY • All thr...
AI summary The document outlines progress on Tesla Powerhub integration, the commissioning of commercial and industrial solar + battery sites, and the implementation of building management systems (BMS) for energy optimization. Integration with the Energy System Platform (ESP) is ongoing, with testing and as-built drawings completed for multiple sites.
battery enrollment when participating customers sell their homes. In 2022, four homes with SGNS battery storage were sold and the new homeowners were successfully onboarded to the program. Page 10 of 17 . REDACTED (CONFIDENTIAL INFORMATION...
AI summary The document discusses the enrollment of homes with battery storage when sold, the status of commercial and industrial solar and battery projects, and data collection efforts related to DER use cases. Customer feedback and survey results are also being collected to inform program improvements.
teries First Use Case Test Event ESP Integration Battery 1 Recruitment Solar Garden Generating Energy for Customers Deployment ESP Integration Battery 2 First Renewable Generation Following Use Case Test Event Community Solar Garden Constr...
AI summary The text outlines various use case test events and integration projects involving renewable energy, battery storage, and building management systems, with a focus on community solar gardens and C&I (commercial and industrial) solar plus battery installations.
ember 19, 2022 ....................................................................................................................................................................................48 Page 5 of 48 . . REDACTED (CONFIDENTIAL I...
AI summary The Smart Grid Nova Scotia (SGNS) Project aims to evaluate the effectiveness of Distributed Energy Resource Management Systems (DERMS) in enabling utility control of Distributed Energy Resources (DERs). The project includes the development of use case metrics to measure potential technical and economic benefits of DERMS, which are expected to benefit all customers.
ty, through a DERMS. Potential technical and economic benefits associated with a DERMS solution are expected to provide value and benefit to all customers, regardless of participation in DER programs. Included in the SGNS Compliance Filing...
AI summary NS Power is implementing a DERMS solution as part of the SGNS project, with testing underway since 2021. The report outlines modifications to testing plans, including the addition of data collection for C&I customer demand reduction under EV V2G chargers. A financial model is being developed based on collected data.
:00 hours. Figure 1 shows the comparison of previously reported average baseline data to the overall average baseline EV consumption for each hour of the day from January 2021 to December 31, 2022. Page 7 of 48 . . REDACTED (CONFIDENTIAL I...
AI summary The document discusses the average baseline EV consumption data over a 24-hour period from January 2021 to December 31, 2022, highlighting that the 22:00 to 23:00 period had the highest consumption. It also explains how ev.energy uses an algorithm to schedule smart charging and presents a counterfactual baseline for comparison.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 13 of 48 Attachment 2 – SGNS Use Case Testing Update Report PEAK EV C HARGER D EMAND Understanding peak EV charger demand from the fleet of chargers under study in the project p...
AI summary This report discusses peak EV charger demand observed in the SGNS program, noting a peak of 171.1 kW on March 1, 2022, and a more recent peak of 145.8 kW on December 10. The report highlights the fluctuation in charger availability and the potential curtailment capacity of the program.
t opportunity that a level 2 charger provides during periods where a vehicle is actively charging. Figure 14 – Power Shed Opportunity of Vehicles that are Actively Charging versus Event Start Time E V S E1 – LOAD LEVELING, D AY AHEAD GENER...
AI summary The document discusses load leveling use cases for EVSE1 and EVSE2, focusing on power shedding opportunities during vehicle charging events. EVSE1 curtails charging to 25% or 50% of nominal charge, with an estimated shed of 0.99 kW per event. EVSE2, introduced later, also curtails charging during intra-day economic dispatch events, with a shed of 0.97 kW per event.
int Results Figure 15 depicts the technical capability to curtail EV charging load during the Nova Scotia grid peak, between 17:00 and 19:00, by curtailing electric vehicle supply equipment (EVSE). Page 19 of 48 . . REDACTED (CONFIDENTIAL...
AI summary The text discusses the technical capability to curtail EV charging load during grid peak hours in Nova Scotia, using EVSE and ChargePoint dashboards. It highlights opportunities to shift EV charging peaks away from grid peaks to alleviate system impacts, with specific data from February 27, 2022, showing a peak charging power of 132.3 kW.
-In (kW) across all executed events in the ev.energy fleet is currently 1.01 kW as shown in Table 2. This testing will continue through 2023 and results will be presented as part of future reporting. E V S E4 – INTERMITTENT RENEWAB LE GENE...
AI summary The report details ongoing testing of EVSE4 and the ev.energy fleet, including intermittent renewable generation following functionality. Testing is expected to continue through 2023 with results to be included in future reporting. A modified use case was expanded to include a 72-hour wind generation forecast applied as a proxy price signal to shift EV charging.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 24 of 48 Attachment 2 – SGNS Use Case Testing Update Report Figure 21 – NS Power 72-hour Wind Forecast and Corresponding ev.energy Grid Signal In the initial test, or minimum vi...
AI summary The document discusses early results from the ev.energy Wind Following Use Case, showing inconclusive outcomes from managed charging compared to unmanaged charging. The scheduling algorithm is influenced by user-selected 'ready by' times, making it difficult to correlate results with forecast wind generation during specific periods.
icult to positively correlate the results to the specific action. This concept, and how the relative signal change influences the charging will be explored further as this use case testing is ongoing. In addition to further data collection...
AI summary The text discusses planned iterations in testing EVSE5, including changing the wind signal to an absolute signal and squaring the wind signal for better approximation of on/off scenarios. It also mentions the introduction of DR events to examine value-stacking effects if correlated wind following is established.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 26 of 48 Attachment 2 – SGNS Use Case Testing Update Report The ability to respond to 10-minute operating reserve generation contingency events was proven technically successful...
AI summary The report discusses the technical success of responding to 10-minute operating reserve generation contingency events using EVSE5. It highlights the Estimated Average Shed per Event (0.83 kW) and notes that fewer vehicles were charging during contingency events. Testing plans include curtailing chargers to 0 kW during such events, with automated methods currently in development.
s, with highest transportation usage occurring during the middle of the workday. Figure 24 – Summary of EV Availability (Connected to the Coritech Bi-directional Charger) during Fall 2022 Semester Page 28 of 48 . . REDACTED (CONFIDENTIAL I...
AI summary The document discusses the availability and usage of electric vehicles (EVs) at Nova Scotia Community College (NSCC), particularly the Leaf connected to a Coritech bi-directional charger. It highlights that EV availability was lower during working hours, affecting grid flexibility during peak times. NS Power has remote access to control the charger, but a recurring inverter fault has impacted functionality.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 30 of 48 Attachment 2 – SGNS Use Case Testing Update Report ‘Estimated Average Reduction per Event (kW)’ is the average actual discharge power observed for an event. The nominal...
AI summary The document discusses NS Power's progress in testing EVSE use cases for demand charge management and load leveling. Testing includes Fermata and Coritech units, with a focus on discharge levels and economic dispatch strategies. Testing for EVSE5 is anticipated to begin in March 2023 once full user control is achieved.
day Economic Dispatch: discharge during the two highest consecutive peak hours of the day. Introduced for Coritech on August 5, 2022. Fermata EVSE2 use case testing was introduced on December 5, 2022. This use case is based on economic dis...
AI summary The document discusses the implementation of EVSE3 and EVSE2 use cases for load leveling and time-varying curtailment, focusing on discharging during peak hours. Testing was introduced for Coritech and Fermata in late 2022, with technical capabilities demonstrated through bi-directional charging and scheduling algorithms.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 31 of 48 Attachment 2 – SGNS Use Case Testing Update Report maximum SOC setpoint of 100%. Note that power data for the charger is not available from the NSCC BMS during 00:00 to...
AI summary The report details an EVSE event where NS Power discharged 19.9 kWh from an EV battery back to a building during peak hours, reducing the vehicle's SOC from 100% to 66%. NS Power then set the charger to 3 kW to allow the EV to recharge overnight, reaching 90% SOC by 23:23. A similar event is shown for Fermata, where 5 kW was discharged during grid peak hours.
s power flow from the EV to the building, and a positive power command represents power flow from the building to the EV. Table 5 – EVSE4 Power Command Bands based on Forecasted Wind Generation Forecasted Wind Power Generation Command (kW)...
AI summary The document discusses EVSE4 power command bands based on forecasted wind generation, testing charge and discharge rates during specific wind generation hours. EVSE4 events have not been executed for the Fermata bi-directional charger, and manual control is expected in Q1 2023.
l over the unit in Q1 2023 and in the interim will work with Fermata to develop a manual process for including wind forecast into future event dispatch. Results will be presented in future reporting. E V S E5 – GENERATION C ONTINGENC Y (10...
AI summary The document discusses the use of EVSE5 for 10-minute operating reserve generation contingency events, including a successful test on November 15, 2022, and challenges such as an inverter fault. Testing will continue in 2023 once full user control of the Fermata FE-15 is achieved.
e building to counter the high demand. In the top graph of Figure 27, (‘Power / Load’), the difference in the ’Building’ (65.4 kW) versus ’Meter’ (50.3 kW) demonstrates the discharge power of 15.1 kW. The charger will discharge to the buil...
AI summary The text discusses the use of a charger discharging power to a building until demand falls under a meter target or a minimum state of charge is reached. It also references baseline data from Sunverge residential batteries and the integration of ESP for more in-depth data analysis.
Attachment 2 – SGNS Use Case Testing Update Report series interval data through the ESP integration for additional in-depth data review and use within the business model. Tesla Powerwall baseline data was captured from the Tesla Powerhub p...
AI summary The report discusses the integration of series interval data through the ESP platform for in-depth analysis and the use of Tesla Powerwall baseline data from the Powerhub portal. Due to technical challenges, data is based on 85 of 109 installed units. The report also presents baseline energy consumption by hour and discusses limitations on residential battery export capacity.
Attachment 2 – SGNS Use Case Testing Update Report Figure 29 – Average State of Charge for Sunverge Residential Batteries, by Hour of the Day Tesla Powerwall Fleet Figure 30 – Tesla Powerwall Residential Battery, per Device Site Load, by H...
AI summary The document discusses the performance of Tesla Powerwall residential batteries, including their average state of charge by hour of the day and the integration of solar + storage systems. It highlights the current limitation on battery capacity export and the potential for future changes. Data is based on 85 Powerwall units, with 19 being AC coupled with solar installations.
r after receiving the battery, but the two systems are integrated together in most cases. Figure 31 – Average State of Charge for Aggregated Fleet of Tesla Powerwall Batteries with Solar Installed As shown in Figure 31, battery state of ch...
AI summary The text discusses the average state of charge for Tesla Powerwall batteries with solar installed, noting higher charge levels during summer compared to winter. It also references a figure showing per device customer usage, including solar generation, and mentions future reports on solar plus storage in the Sunverge fleet.
lled, including Solar Generation (kW) Further review of solar plus storage, including any customers participating in this operating mode in the Sunverge fleet will be discussed in future reports. TIME-B ASED C ONTROL Figure 33 – Average St...
AI summary The document discusses the performance of Tesla Powerwall batteries under time-based control, showing discharge during on-peak hours and recharging during off-peak times. Solar plus storage systems and their future review are also mentioned.
by hour of day 6.00 5.00 4.00 Power (kW) 3.00 2.00 1.00 0.00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 0:00 Time of Use Customers Avg Load per Device (k...
AI summary Figure 34 illustrates how battery dispatch offsets site load during on-peak times. Testing of Sunverge integration with ESP has been completed, though defects have delayed use case execution. Tesla Powerwall integration is ongoing, and no use case testing has been completed outside of specific scenarios. Further reports will provide additional results and analysis.
patch through pool dispatch or manual events, based on day ahead generation planning, marginal cost-based forecast. ESP constraints maintain one charge/discharge cycle per day. No results to report. Page 40 of 48 . . REDACTED (CONFIDENTIAL...
AI summary The document discusses battery dispatch through pool dispatch or manual events based on intra-day generation planning and system loading. It also outlines modified time-varying curtailment during specific hours, initially executed manually and later aligned with NS Power's time-of-day rate for automatic execution.
availability. This will be followed by alignment to NS Power’s time-of-day rate (i.e. rate 06B) for automatic execution of curtailment events during on-peak hours through ESP. No results to report. S V / P W4 – INTERMITTENT RENEWAB LE GENE...
AI summary The text discusses use cases for managing renewable energy and grid stability, including aligning with time-of-day rates, following intermittent renewable generation, and providing generation contingency support through residential battery dispatch. These initiatives aim to optimize energy consumption and support grid reliability.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 2 Page 42 of 48 Attachment 2 – SGNS Use Case Testing Update Report S V / P W6 – C OLD LOAD PIC KUP RELIEF This test will dispatch residential batteries for a short time following an ex...
AI summary The report outlines various smart grid use case tests, including cold load pickup relief, distribution feeder congestion management, and partial home or critical load backup. Testing for these use cases has been conducted, with some functionalities not yet fully operational. Storm preparations have been made to ensure battery readiness during weather events.
of only those batteries in North region and Cape Breton • December 22 to 25, 2022 Further analysis will be presented in future reporting. 3.3.3 . C USTOMER EXPERIENC E OB SERVATIONS – RELIAB ILITY Residential batteries were able to support...
AI summary Residential batteries supported customers during severe weather events and outages. Surveys showed high customer satisfaction and increased confidence in battery performance. C&I battery installations were completed in 2022, with additional functionality tested. No ESP-driven use case testing has been executed yet.
or zero export mode was also implemented and tested during this reporting period. Early integration conformance testing is underway; however, no ESP-driven use case testing has been executed to date. 3.5. C&I SOLAR PV All three C&I sites w...
AI summary The document discusses the implementation and testing of zero export mode for C&I solar PV sites, ongoing integration work for community solar gardens, and the use of BMS for customer notification and event management. Integration testing and database updates are pending, with future analysis planned.
Project Scenarios for Comparison Measuring Outcomes ESP Processes Applicable to Value Reduced Upward Pressure on Revenue Baseline Scenario Baseline Scenario 2 Test Scenario Customer Benefit DER Class DER Group Value Streams DER Control Var...
AI summary The text outlines project scenarios for comparing outcomes related to DER (Distributed Energy Resources) control variables, value streams, and their impact on system reliability, grid stability, and customer benefits. It mentions different control strategies such as no utility influence, device-level control, and direct utility control.
ntrol signal latency (seconds) • System load (MW) $/kWh) be compared with system to achieve a scheduled curtailment • Intra-day generation planning Capacity Pilot 1/R2b target charge rate • Time varying curtailment or • EVSE response time...
AI summary The text discusses metrics related to EVSE response times, system load, and curtailment in the context of V2G operations. It includes topics such as capacity, pilot programs, and deferred T&D system upgrades.
$/kWh) (V2G). • Expected and/or forecasted EVSE curtailment kW versus actual curtailment kW (%). • Aggregated discharge capacity (kW) (V2G) uninfluenced charging) requirements • Available discharge power versus actual discharge power (%) m...
AI summary The text outlines key performance metrics related to electric vehicle supply equipment (EVSE) and vehicle-to-grid (V2G) systems, including expected versus actual curtailment, aggregated discharge capacity, and available versus actual discharge power.
• Aggregated EV charger load (kW) • Connection Status & Alarm Status - The availability of EVSE for control during each test (including EV Smart Chargers • Aggregated load curtailed (kW) Intermittent Renewable communication to the chargers...
AI summary The text discusses the monitoring and control of EV smart chargers, including aggregated load, connection status, communication latency, and curtailment of EVSE charge. It also touches on renewable integration and the value of curtailed load.
latency (seconds) • Value of load curtailed ($/kW, convenient (charging times will & power (kW) by control of • EVSE Control Variable Input: SGNS PV garden levels until renewables output Capability renewable generation output • EVSE contro...
AI summary The text discusses technical aspects of electric vehicle supply equipment (EVSE) control, including latency, response time, and the value of load curtailed and discharge capacity. It references renewable generation output and how EVSE control variables interact with renewable energy thresholds and deferred transmission and distribution systems.
setpoint after receiving signal (seconds) • Value of discharge capacity ($/kW, output to understand impact of EV V2G Chargers • V2G discharge • EVSE Control Variable Input: NSPI aggregated wind discharge capabilities Upgrades EVSE4 • Expec...
AI summary The text discusses metrics related to electric vehicle supply equipment (EVSE) and vehicle-to-grid (V2G) discharge capabilities, including setpoint response times, discharge capacity values, and performance comparisons between expected and actual curtailment and discharge power.
• EVSE control signal latency (seconds) to achieve a scheduled curtailment Pilot 2/R3A thresholds (EVSE7) target charge rate • EVSE Control Variable Input: Feeder Voltage (V), • Value of discharge capacity ($/kW, distribution congestion wi...
AI summary The text discusses technical aspects of EVSE control, including signal latency, response times, and curtailment performance. It also mentions V2G discharge and system upgrades related to distribution congestion and capacity valuation.
VSE curtailment kW versus actual curtailment kW (%). • Available discharge power versus actual discharge power (%) measured for V2G.
AI summary The text discusses metrics related to VSE curtailment and V2G discharge power, focusing on the percentage differences between available and actual values.
• EV charger load (kW) on load diversity and inrush Pilot 2/R3A target charge rate leverage discharge capabilities. • Value of discharge capacity ($/kW, staggered restoration of EVSE equipment System Upgrades EVSE6 • Feeder Voltage (V), Cu...
AI summary The text discusses EV charger load, focusing on kW, load diversity, inrush, and the value of discharge capacity in $/kW. It also mentions system upgrades, feeder voltage, current, load, and the staggered restoration of EVSE equipment during restoration processes.
• EV charger load (kW) $/kWh) convenient (charging times will Demand Charge • EVSE control signal latency (seconds) discharge (V2G) schedule N/A N/A management customer peak • EVSE Control Variable Input: Feeder Voltage (V), • Value of dis...
AI summary The text discusses various technical parameters related to electric vehicle supply equipment (EVSE), including load, control signal latency, response time, and demand charge management. It also touches on aspects such as feeder voltage, current, and load, as well as the value of discharge capacity in a vehicle-to-grid (V2G) context.
previous report in error] EV V2G Chargers
AI summary The text mentions a previous report in error and references EV V2G (Vehicle-to-Grid) Chargers, indicating a potential issue with prior documentation related to electric vehicle charging infrastructure.
• EV charger discharge power (kW) • System Average Interruption Duration Index (for the Partial or Whole Home • Value of discharge capacity and Notification to customers when sample of customers enrolled in the Smart Grid NS Backup • EVSE...
AI summary The text discusses technical aspects of EVSE (Electric Vehicle Supply Equipment) functionality, including discharge power, backup capabilities, and V2G (Vehicle-to-Grid) features. It also mentions metrics such as the System Average Interruption Duration Index and customer notifications related to outages within the Smart Grid NS Project.
• V2G discharge Project) Reliability N/A customer during an outage operating mode vehicles can be topped up based on forecasted outages • System Average Interruption Frequency Index (for EVSE8 • Value of Lost Load (VOLL) ($/kW) manually vi...
AI summary The text discusses V2G discharge projects, focusing on reliability and outage management. It mentions customer topping up during outages, operating modes, and metrics like the System Average Interruption Frequency Index and Value of Lost Load, based on data from the Smart Grid NS project.
he sample of customers enrolled in the Smart Grid NS Project) Economic Dispatch • Day-ahead generation planning Customer charges as Load Leveling (e.g. Peak (EVSE1) EV Control based on: • Curtailment of EV charge • Utility event statistics...
AI summary The text discusses aspects of the Smart Grid NS Project, including economic dispatch, day-ahead generation planning, load leveling, and EV control based on energy delivered and the value of load curtailment.
Intermittent Renewable Customer charges as Renewable Integration Generation Following • Curtailment of EVSE charge • Utility event statistics • Energy delivered (kWh) • Value of load curtailed ($/kW, convenient (charging times will Chargin...
AI summary The document discusses the integration of intermittent renewable energy with EV charging, focusing on load management, curtailment of EVSE charging, and the influence of EV charging patterns on energy delivery and load curtailment value.
uninfluenced charging)
AI summary The text discusses uninfluenced charging, likely referring to electric vehicle charging that is not affected by external factors such as demand response programs or grid conditions. This may pertain to the operation of EVSE (Electric Vehicle Supply Equipment) and its interaction with the grid.
Project Scenarios for Comparison Measuring Outcomes ESP Processes Applicable to Value Reduced Upward Pressure on Revenue Baseline Scenario Baseline Scenario 2 Test Scenario Customer Benefit DER Class DER Group Value Streams DER Control Var...
AI summary The text outlines project scenarios for comparison, focusing on DER (Distributed Energy Resource) classes and groups, value streams, control variables, and their impact on system reliability, grid stability, and customer benefits. It highlights different levels of utility control and software release requirements.
• Connection Status & Alarm Status - The availability of batteries for control during each test (including Economic Dispatch • Day-ahead generation planning Charge and discharge control based Load Leveling (e.g. Peak communication to the b...
AI summary The text discusses aspects of battery control and load leveling in the context of economic dispatch, including charge and discharge control, communication latency, and customer participation levels. It also references day-ahead generation planning and marginal generation costs.
• Battery monitoring signal latency (seconds) and discharge Avoided Generation & • Intra-day generation planning batteries by control of target • System load (MW) • Value of Battery charge and Use device settings to apply • Day-ahead gener...
AI summary The text discusses battery monitoring signal latency, battery control signal latency, and battery response times in the context of intra-day and day-ahead generation planning. It also references aggregated battery charge and discharge capacity and the value of battery charge and discharge schedules.
• Intra-day generation planning SV1, 2, 3 • Battery response times to target kW and/or kWh setpoints after receiving signal (Seconds) increasing impact on system • Time varying charging and (kW) (kW) $/kWh) • Time varying charging and PW1,...
AI summary The text discusses intra-day generation planning and battery response times to target kW and kWh setpoints. It also addresses expected versus actual battery charge and discharge power and energy, as well as time-varying charging and discharging schedules and their impact on the system and deferred T&D system.
• Connection Status & Alarm Status - The availability of batteries for control during each test (including Generation Contingency (10 communication to the batteries, and the customer participation level) Uninfluenced battery charge • Charg...
AI summary The text discusses battery availability, charge and discharge during tests, monitoring signal latency, and the impact of battery control on system load and contingency events. It references connection status, alarm status, and participation levels in battery management.
contingency event to satisfy 10 Avoided Generation & • Battery control signal latency (seconds) discharge capacity and energy ($/kW, (can help forecast potential None Pilot 2/R3A Industrial Rate charge and discharge rates • Aggregated Batt...
AI summary The text discusses battery control signal latency, charge and discharge rates, and response times for industrial rates, relating to capacity and energy costs. It mentions pilot programs and reserve requirements.
requirements PW5 • Expected and/or forecasted battery charge and discharge power (kW) and energy (kWh) versus actuals (%)
AI summary The text outlines a requirement related to the comparison between expected and forecasted battery charge and discharge power (kW) and energy (kWh) versus actuals, expressed as a percentage.
• Connection Status & Alarm Status - The availability of batteries for control during each test (including communication to the batteries, and the customer participation level) Intermittent Renewable • Aggregated battery charge and dischar...
AI summary The text discusses topics related to battery availability, communication during tests, customer participation, and the integration of intermittent renewable generation. It includes details on battery charge and discharge capacity, signal latency, and marginal generation costs.
Charge and discharge at specified Capability • Matching load/dispatch to • Battery Control Variable Input: SGNS PV garden • Value of Battery charge and Uninfluenced battery charge charge and discharge rates • Battery response times to targ...
AI summary The text discusses battery control variables, including charge and discharge rates, response times, and the value of battery charge and discharge capacity and energy. It references renewable generation output and pilot programs, such as Pilot 2/R3B, and mentions deferred T&D system generation output thresholds.
generation output thresholds SV4 • Battery Control Variable Input: NSPI aggregated $/kWh) Upgrades Residential Battery (kW/min) (%) PW4 wind output (MW) or PV Farm output (MW) Storage • Battery charge and discharge ramp rate resolution (in...
AI summary The text discusses technical details related to battery control variables, including input from NSPI, battery charge and discharge ramp rates, response delays, and connection status for residential and C&I batteries in the context of wind and PV output thresholds.
Pilot 2/R3B thresholds (SV7, PW7) charge and discharge rates and energy ($/kW, $/kWh) charge-discharge schedule System Upgrades SV7 • Battery response times to target kW and/or kWh setpoints after receiving signal (Seconds) Current (A) and...
AI summary The text outlines parameters related to battery energy storage systems and smart inverters, including battery response times, charge and discharge rates, and energy costs. It also mentions system upgrades and their impact on distribution congestion.
Uninfluenced battery charge Inverters Cold Load Pickup Relief • Charge and discharge of Further leverage battery out-of- • Aggregated net residential/commercial load (kW) • Value of Battery charge and and discharge (document batteries by c...
AI summary The text discusses the utilization of batteries in managing load through charge and discharge processes, emphasizing the control of target charge and discharge, time delays, and the value of battery capacity and energy. It also mentions leveraging battery functionality for delayed impact on load diversity.
d Pilot 2/R3B SV6 charge and discharge rates (Seconds). and staggered charging, and/or support restoration process System Upgrades • Feeder Voltage (V), Current (A) and Load (MVA) $/kWh) inrush current during PW6 (kW) fast response dischar...
AI summary The text outlines technical details related to system upgrades, including charge and discharge rates, feeder voltage, current, load, and inrush current during the restoration process. It mentions fast response discharging and staggered charging as part of the system's functionality.
• Battery discharge power (kW) Partial Home or Critical • System Average Interruption Duration Index (for the • Value of battery discharge capacity Battery out-of-the-box Notification to customers when Load Backup sample of customers enrol...
AI summary The text discusses battery functionality, including discharge power, backup load, and system interruption metrics. It mentions battery performance parameters, such as time delay for partial home backup and the value of battery discharge capacity, in the context of a Smart Grid NS program.
operating mode (default 20% outages may be forecasted so Project) battery top-up to provide back up Reliability Pilot 2/R3A customer during outages provide partial home backup state-of-charge reserved for batteries can be topped up SV8 • S...
AI summary The text discusses reliability measures, including battery top-up for backup during outages, system average interruption duration index, and value of lost load. It references pilot programs and reliability planning.
• Customer Demand (kVA) with other use-cases • Target PF setpoint versus actual PF measured (%) • Feeder Power Factor (%) C&I Batteries
AI summary The text outlines key metrics related to customer demand, power factor setpoints, and feeder power factor, specifically in the context of C&I batteries.
• Feeder Power Factor (%) C&I Batteries
AI summary The text references 'Feeder Power Factor (%)' and 'C&I Batteries,' indicating a focus on power factor and commercial and industrial battery systems, likely in the context of energy efficiency or grid management.
• Connection Status & Alarm Status - The availability of Batteries for control during each test (including communication to the batteries, and the customer participation level) • Charge and discharge of • Net commercial load (kW) Manage op...
AI summary The text outlines parameters related to battery functionality, control strategies, and performance metrics for managing net commercial load and optimizing battery usage in C&I increased solar self programs.
• Value of battery discharge capacity Battery out-of-the-box charge and discharge rates • Forecasted PV Output (kW) None consumption i.e. determine when Renewable Integration Pilot 2/R3B Consumption customer • Battery response times to tar...
AI summary The text discusses aspects of battery discharge capacity, charge and discharge rates, forecasted and actual PV output, and battery response times to setpoints. These metrics are relevant to renewable energy integration and pilot projects related to C&I sites.
Project Scenarios for Comparison Measuring Outcomes ESP Processes Applicable to Value Reduced Upward Pressure on Revenue Baseline Scenario Baseline Scenario 2 Test Scenario Customer Benefit DER Class DER Group Value Streams DER Control Var...
AI summary The text outlines project scenarios for comparison, focusing on measuring outcomes, value streams, and technical and functional data related to DER control variables. It includes baseline and test scenarios, emphasizing system reliability, grid stability, and customer benefits.
• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including communication to the PV Inverters, and the customer participation level) • Feeder Voltage (V), Current (A) and Load (MVA) Communi...
AI summary The text discusses the monitoring and control of PV inverters during tests, focusing on parameters like voltage, current, load, frequency-watt mode, signal latency, and real power output. It also mentions managing optimal control schedules and the value of PV inverters in frequency response and avoided generation.
• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including communication to the PV Inverters, and the customer participation level) • Feeder Voltage (V), Current (A) and Load (MVA) • Value...
AI summary The text discusses the monitoring and control of PV inverters during tests, including communication status, feeder voltage and current, load measurements, and the management of power factor correction. It also touches on deferred distribution system upgrades.
• Connection Status & Alarm Status - The availability of PV Inverters for control during each test (including • Feeder Voltage (V), Current (A) and Load (MVA) communication to the PV Inverters, and the customer participation level) • PV In...
AI summary The text outlines parameters and data points related to the monitoring and control of PV inverters in C&I solar PV systems, including voltage, current, power factor, and latency metrics, as well as the management of optimal control strategies for power factor correction.
iled protection component at the Community Solar Garden beginning around 11:00 on the morning of June 28 extended to about 12:00 on July 1. Solar production was limited to approximately 90% on July 1. Outa g e Event – July 12 t o 13, 2022...
AI summary The document details several outage events at the Community Solar Garden in 2022, including dates, causes, and impacts on solar production. Each event is described with specific times of occurrence, restoration, and the extent of solar production disruption.
nt 5 Page 5 of 14 Attachment 5 – SGNS Project Lessons Learned Figure 2 – ChargePoint Dashboard Depicting Tesla Vehicle Behaviour The curtailment of charging at 18:00, shown by the blue and black lines, triggered the vehicle to go into a re...
AI summary The SGNS Project Lessons Learned document discusses the deployment of an alternative EV charging management system by NS Power, and highlights the need for customization when implementing the OpenADR standard. It also notes the importance of aligning on integration architecture and standards with vendors.
issioning with solar PV. The project team has setup processes to continue to identify any installations that are not identified to the team in advance by the customer or their chosen solar installer. 9. Opportunity to Discharge Batteries t...
AI summary The document discusses challenges related to solar PV installations and battery discharging opportunities, as well as an issue with Tesla Powerwall frequency control interrupting customer UPS systems. NS Power is monitoring baseline data to understand impacts and has resolved the issue for affected customers.
acceptable by a NS Power information technology (IT) security risk assessment, these devices were transitioned to the public cellular network and improved performance has been observed on the fleet. 12. Tesla Pow erw all Frequency Pow er C...
AI summary The text discusses the transition of devices to a public cellular network following a security risk assessment by NS Power, an issue with Tesla Powerwall frequency control affecting customer UPS systems, and updates to the Canadian Electrical Code regarding residential battery storage locations.
uires that amendments, supplements, and/or additions to the Code are adopted on the first day of the fourth month 3 following Code publication – i.e. by May 2021. 2 F At the time of the change, NS Power had closed recruitment for the Batte...
AI summary Amendments to the Electrical Code in Nova Scotia affected NS Power's Battery Storage Pilot by disqualifying some applicants who had lithium-ion batteries installed in non-dwelling areas. NS Power had to reassess applications and contact customers, leading to delays and disappointment. The change highlights the need for better coordination between regulatory updates and project planning.
homes with suitable locations for battery installation, compliant with the new Regulations. 3 Electrical Code Regulations - Electrical Installation and Inspection Act (Nova Scotia) section 3(2) Page 8 of 14 . . REDACTED (CONFIDENTIAL INFOR...
AI summary The document discusses communication failures in battery energy storage systems installed by NS Power, particularly with LG batteries and inverters, and highlights a platform risk with ev.energy due to reliance on third-party APIs and manufacturer consent.
r will document the sample chosen for the torque checks to avoid picking the same samples. • NS Power will proactively consider retorque the whole site ahead of major wind and/or weather event. 18. Supporting New Assets through Severe Weat...
AI summary The text discusses operational considerations for smart grid platforms during severe weather, the prioritization of 'ready by' time in EV charging algorithms, and limitations in reactive power control for C&I battery energy storage systems under zero export mode. NS Power is proactively managing these challenges.
ee sites to meet the interconnection agreement requirement. When enabling zero export mode, all reactive power functionality that is supported by the inverter is lost – limiting some use case testing. Following discussions with the interco...
AI summary The text discusses technical issues with solar generation systems, including the loss of reactive power functionality when enabling zero export mode and a fire caused by a faulty rapid shutdown device. It also references a Smart Grid Semi-Annual Report and a Load Forecast Report, indicating ongoing monitoring and analysis of grid and energy systems.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 5 Page 11 of 14 Attachment 5 – SGNS Project Lessons Learned The fire damaged the customer’s solar array, but did not damage other property or persons, as it was discovered and mitigate...
AI summary A fire damaged a customer's solar array, but the manufacturer provided compensation and improved equipment. An issue with a current transformer metering system during the installation of a Fermata bi-directional charger led to incomplete load data capture, requiring alternative solutions to ensure proper demand charge management.
CI C0010788 – Smart Grid Semi-Annual Report Attachment 5 Page 13 of 14 Attachment 5 – SGNS Project Lessons Learned 26. Coritech Charger Commissioned w ith Coritech-ow ned Modem A Coritech-owned modem was initially installed to allow Corite...
AI summary The document discusses issues encountered during the commissioning of a Coritech-owned EV charger, including delays due to modem replacement and the need for better integration monitoring. It highlights the importance of improved event scheduling and error notification systems to support DERMS recommendations.
and checks to ensure event scheduling and integrations are working. This learning would inform potential DERMS recommendation(s), as automated outage and error notifications are not always standard. 28. Availability of Certif ied Vehicle-t...
AI summary The document discusses challenges in the availability of certified bi-directional EV chargers (V2X) for the Canadian residential market, citing delays in certification and manufacturing, as well as the influence of emerging international standards on adoption rates.
Report Date: 2022-08-10 Unrestricted Page 1 of 15 Document # PM-FM-011 Version 5 2022-07-22 . . REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load Forecast Report Synapse IR-9 Attachment 2 Page 96 of 205 REDACTED CI C0010788 –...
AI summary The document outlines project activities related to the Energy Services Platform (ESP), Microgrid Control Platform (MCP), and the Shediac Smart Energy Community Demonstration, as part of a Smart Grid Nova Scotia Demonstration. It includes progress percentages, status, and comments for each activity.
d at two customer sites (ground mounts), the third site final inspection is booked electrical as built drawings have been issued for all 3 sites (revision by NS Power is currently in progress) Battery Storage • Battery installations were c...
AI summary The text provides an update on the progress of various energy projects, including battery installations, EV charger integration, and microgrid demonstrations. It notes that most installations are complete, with some ongoing work and testing. The Tobique Microgrid Demonstration is mentioned but no details are provided.
tivity #4: Tobique Microgrid Demonstration % Completion Status Comments Details of Activity Performed • Unrestricted Page 4 of 15 Document # PM-FM-011 Version 5 2022-08-10 . . REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load...
AI summary The document outlines several activities related to energy projects in Nova Scotia, including the Tobique Microgrid Demonstration, North Branch Smart Energy Development, and Program Governance and Management. It also mentions the Energy Services Platform and Microgrid Control Platform software development, as well as the Shediac Smart Energy Community Demonstration. These activities are in various stages of completion.
• • • • • o o o o o o • Activity #3: Smart Grid Nova Scotia Demonstration % Completion Status Comments 95% On Schedule Asset installations partially complete. Details of Activity Performed Community Solar: • The solar garden began generati...
AI summary Activity #3 of the Smart Grid Nova Scotia Demonstration is 95% complete, with community solar and commercial/industrial installations progressing. The solar garden began generating energy in February 2022, and BESS systems have been commissioned and certified. Solar arrays and electrical inspections are complete at multiple sites.
rray (ground mounts) commissioning completed at two customer sites. Commissioning for the solar PV roof top project also complete. • Electrical inspections have been passed at all customer sites. Battery Storage • Battery installations wer...
AI summary The text details the progress of various energy projects, including solar PV installations, battery storage systems, and integration efforts with energy management platforms. Key activities include the completion of electrical inspections, ongoing battery system testing, and the integration of EV chargers and building management systems. The Tobique Microgrid Demonstration and North Branch Smart Energy Development are also mentioned, though their status is not fully detailed.
Not a formal work package under this program, however, collaborations noted below: Unrestricted Page 5 of 15 Document # PM-FM-011 Version 5 2022-08-10 . . REDACTED (CONFIDENTIAL INFORMATION REMOVED) REDACTED 2023 Load Forecast Report Synap...
AI summary The text outlines various activities related to energy projects in Nova Scotia, including DER monitoring by Dalhousie University, a student's involvement in modeling DER program potential, and community engagement for a solar garden site. It also mentions the Tobique Microgrid Demonstration and North Branch Smart Energy Development, though details are sparse. A cost report for Siemens is included, focusing on foreign costs and deviations from the Contribution Agreement.
annual spend as reflected in the contribution agreement has been requested to shift more spend into the later years of the project. Unrestricted Page 7 of 15 Document # PM-FM-011 Version 5 2022-08-10 . . REDACTED (CONFIDENTIAL INFORMATION...
AI summary The text discusses a request to shift annual spending into later years of a project, as outlined in a contribution agreement. It also mentions NS Power monitoring the impact of COVID-19 restrictions on project timelines, specifically noting a one-month delay in distributed battery installations.
Nova Scotia as the project continues. The delay caused by restrictions in the last claim resulted in a delay to distributed battery installations by a month, but no other project impacts. Mitigation: Work continues that can be done safely...
AI summary The project in Nova Scotia has experienced a one-month delay in distributed battery installations due to restrictions in the last claim, though no other project impacts have been noted. Mitigation efforts are ongoing to ensure safe work practices and data access for analysis of utility-managed DERs.
ELIGIBLE EXPENDITURES Name of the contractor Description of the work Costs Incurred W MCNEIL CONTRACTING LIMITED Installation of distributed batteries $ BLACK AND MCDONALD LTD Installation of distributed batteries (multiple sites & invoice...
AI summary The document lists eligible expenditures for various contractors involved in the installation of distributed batteries, battery energy storage systems (BESS), and related support services for Smart Grid projects in Nova Scotia. Contractors include MCNEIL CONTRACTING LIMITED, EVERGREEN ELECTRIC, and GP JOULE PV CANADA CORP, with costs incurred for installation, testing, and site supervision.
te 1 $ NATIONAL PUBLIC RELATIONS INC Professional fees for Community Solar Garden feedback via Mailchimp $ NATURAL FORCES SOLAR INC. Additional required planned scope work for Community Solar Garden project (multiple invoices) $ DAVID CLAR...
AI summary The text lists various vendors and contractors involved in multiple projects related to solar gardens, battery installations, and smart grid initiatives in Nova Scotia, including expenses for professional services, installation, and system studies.
(BESS) at site 2 $ NATURAL FORCES SOLAR INC. SCADA system study for Amherst Community Solar Garden $ Total Eligible Professional, Scientific and Contracting Services Costs $ 873,149.81 INELIGIBLE EXPENDITURES Name of the contractor Descrip...
AI summary The document outlines eligible and ineligible expenditures, including a BESS at site 2 and a SCADA system study for a solar garden, with a total eligible cost of $873,149.81. It also references a load forecast report and a smart grid semi-annual report, though the content is partially redacted.
ase executed in test environment in February during "peak" calendar period. • Residential and commercial battery systems integration development and initial baseline data collection is ongoing. NS Power Program Design • The Solar Garden Ra...
AI summary The document outlines progress on various NS Power programs, including updates to the Solar Garden Rate Rider, expansion of the ev.energy EV Smart Charging program, and the status of community solar and C&I solar plus battery installations. It also mentions ongoing data collection and system testing.
ogramming added to system design in order to prevent export to grid at C&I sites, per interconnection agreements. Initial design and implementation work was ongoing during this reporting period. Operational issues and other barriers/challe...
AI summary The document discusses operational issues with the Energy Services Platform (ESP), including software bugs and data correlation challenges. It also highlights a three-day outage at the Community Solar Garden due to faulty equipment and a 13% shortfall in solar production. Firmware updates for residential batteries and portal improvements were requested. Budget status is mentioned but not detailed.
ELIGIBLE EXPENDITURES Name of the contractor Description of the work Costs Incurred GP Joule PV Canada Site 1 - Contingency (C&I Solar + Battery project) - multiple invoices $ Black and MacDonald Ltd. Installation of distributed batteries...
AI summary The text lists eligible expenditures for various contractors involved in C&I Solar + Battery projects, including installation, consulting, advertising, and site supervision, with associated costs incurred.
elop extension module for Desigo CC V5 & configure connection for Site existing BMS and ESP $ GP Joule PV Canada Site 1 - Substantial completion (C&I Solar + Battery project) $ Mattatall Signs Ltd. Smart Grid NS project branding wrap insta...
AI summary The text lists various eligible and ineligible expenditures related to energy and infrastructure projects, including equipment, contracting services, and costs incurred for DERs, BMS, and ESP. It also references a redacted load forecast report and a smart grid semi-annual report.
t ☐ (i.e. affects the critical path, scope or budget objectives, or operational requirements) Project Scope Status: (choose one) No change or impact on project ☒ (i.e. change within the budget and baseline schedule) Minor change – little i...
AI summary The project is 80% complete with no significant changes to scope or budget. Key activities include the continued development of EVSE use cases and the progress on baseline data collection and system integrations for battery systems.
system and operational data. • Progress continued in the development of initial baseline data collection and system integrations for three different residential and commercial battery systems. NS Power Program Design • On 22 August, the Co...
AI summary The document outlines progress in energy system development, including baseline data collection, residential and commercial battery system integrations, and updates on solar and battery installations. It also notes ongoing software testing and integration challenges for the Energy Services Platform (ESP).
ng this mode will enable the testing of smart functions for solar inverters. A procedure on how to enable and disable zero export mode and functionality will be provided to the system operator. Residential Batteries • During extreme weathe...
AI summary The text discusses residential battery systems, including storm mode functionality, communication issues, and a fire incident related to a faulty switching device caused by water intrusion. The manufacturer has addressed the communication issue and replaced the faulty device with an improved model.
only minor delays to the installation of the distributed batteries. 1 Somewhat delayed – project deliverables are behind schedule, with less than 15% impact on the project budget this fiscal year; Considerably delayed – project deliverable...
AI summary The document discusses delays in the installation of distributed batteries for the Nova Scotia Vehicle Grid Integration Pilot project. The project is somewhat delayed, with less than 15% impact on the project budget for this fiscal year. The project lead is Sanjeev Pushkarna from Nova Scotia Power.
Follow-on Period Current Value 2 Target Met? No For each bi-directional charger there is at least one vehicle utilizing the new Rationale capability. Type Codes & standards Description Number of codes, standards, policies, or regulations i...
AI summary The text outlines progress on bi-directional charging initiatives in Nova Scotia, noting that targets for codes and standards, patents, and technology readiness levels have not been met. The Technology Readiness Level (TRL) for V2G technology has reached level 6, meeting its target. The project has been somewhat delayed due to the impacts of COVID-19.
Residential BES - kW/unit per year Peak impact Assumed negligible impact Scenario (Demand Response) DER Estimated Incremental Peak Impact (Optimistic Case) Source Influenced by NSPI Residential BES (5.00) kW/unit per year incremental peak...
AI summary The text provides information on residential BES (Battery Energy Storage) and its peak impact, as well as a demand response scenario influenced by NSPI (Nova Scotia Power Inc.). It includes a forecast of residential customer count for 2033 and notes that the data is based on estimates as of April 12, 2021, with uncertainties noted.
AL INFORMATION REMOVED) 2023 Load Forecast Report Synapse IR-11 Attachment 1 Page 2 of 3 Residential Customer Uptake Scenario 50% 25% 10% 5% Year 2033 2033 2033 2033 DER Peak Impact (kW) Residential BES - - - - DER Incremental Peak Impact...
AI summary The document discusses the impact of distributed energy resources (DER) and demand response (DR) programs on residential peak load in Nova Scotia, under different uptake scenarios (50%, 25%, 10%, and 5%) for the year 2033. It includes figures for battery peak impact with and without optimal DR control.
thodology outlined in this section. The accompanying input assumptions worksheet contains values for all years. Figure 10-11. Battery Capacity Projections (MW at meter) Customer Class 2021 2030 2040 MW at meter MW at meter MW at meter Inte...
AI summary The text outlines battery capacity projections across different customer classes for the years 2021, 2030, and 2040, with significant increases expected in residential battery capacity. It also mentions a section on electric vehicle projections, though no details are provided in the excerpt.
and peak from electrification as well as from new technologies, especially findings Please refer to NSUARB Please refer to NSUARB IR- from pilot projects. IR-45. 45. NSUARB NS Power is directed to continue Direction evaluating and implemen...
AI summary The NSUARB has directed NS Power to continue evaluating and implementing improvements to the calculation of weather-normalized values for energy and peak, as recommended by intervenors. This is part of the 2023 Load Forecast Report (NSUARB M11108), which also includes an assessment of the impact of DSM, Solar PV, EVs, and battery storage.
gory UARB Comments Status Notes assess the impact of DSM, Solar PV, EVs, battery storage, and weather. The Board directs NS Power to continue NS Power held a to actively engage with intervenors as stakeholder conference on well as other st...
AI summary The NSUARB has directed NS Power to engage stakeholders and assess the impact of DSM, Solar PV, EVs, and battery storage on load forecasting. The Board also requested an evaluation of elasticity inputs in the SAE model and residential model robustness.