Topic:"Demand Side Management" in M10504

Electrification Strategy Pilots and Programs E3's jurisdictional scan has also identified utility programs and activities that are typically well supported by economics and/or stakeholders: - Rebate programs targeted at Light Duty Vehicles...

AI summary The document outlines electrification strategy pilots and programs, emphasizing rebate programs for Light Duty Vehicles (LDVs), charging infrastructure in underserved areas, public fast charging, EV-ready construction, all-electric new buildings, time-of-use rates, grid-interactive programs, workplace charging incentives, and EV education. These initiatives aim to address gaps in private market funding, reduce costs, and promote EV adoption.

Roadmap Item 7 states: Monitor electrification growth in Nova Scotia to understand at what point the provincial load profile starts to move from Low, to Mid, to High levels of electrification as defined in the IRP Assumptions for firm peak...

AI summary Roadmap Item 7 directs monitoring of Nova Scotia's electrification growth to identify transitions in provincial load profiles from low to high electrification levels as defined in the IRP. This will inform DSM avoided cost applications and trigger a PRM study using actual peak and load data.

Roadmap Item 5 states: Continue to track the installed costs of wind, solar, and energy storage to look for variations from the trajectories established in the IRP (in particular, monitoring for divergence from the "Base" to the "Low" pric...

AI summary The document outlines the need to monitor installed costs of wind, solar, and energy storage against the Integrated Resource Plan (IRP) trajectories, particularly focusing on divergence from the 'Base' to 'Low' pricing scenarios. Nova Scotia Power will gather local market information and collaborate with E1 to track the operational costs of demand-side management (DSM) programs.

Roadmap Item 6 states: Track the ongoing development of the Nova Scotia Cap-and-Trade Program, including auction results and developing regulations. In particular, monitor GHG market size for indications that value from incremental allowan...

AI summary The document emphasizes tracking the Nova Scotia Cap-and-Trade Program's development, including auction results and regulations. It highlights the importance of monitoring GHG market size to assess the value of incremental allowance sales for long-term resource planning, particularly affecting non-emitting generation, DSM levels, and coal retirement.

Demand Response Strategy IRP Action Plan Item 4 is: Create a Demand Response Strategy targeting 75 MW of capacity, for deployment by 2025. Available resource cost, flexibility, and reliability may inform pursuit of additional Demand Respon...

AI summary The Integrated Resource Plan (IRP) Action Plan Item 4 aims to create a Demand Response Strategy targeting 75 MW of capacity by 2025. The strategy will be linked to the Electrification Strategy and will leverage prior initiatives such as NS Power's Smart Grid Project and the ELIADC tariff.

Demand Response Strategy Components - The 2020 IRP assessed aggregated demand response programing ("DR") developed by E1 (Three profiles: Low, Base High). These profiles provided a stream of annual costs and associated capacity of availabl...

AI summary The 2020 Integrated Resource Plan (IRP) evaluated demand response (DR) programs developed by E1, including three profiles (Low, Base, High) that provided annual costs and load reduction capacity from 2021 to 2045. DR was modeled similarly to supply-side resources, with a 75 MW target capacity found to be economically viable. Sub-programs included Direct Load Control, Critical Peak Pricing, and BNI curtailment, which passed cost-effectiveness testing.

Aggregated Demand Response – Achievable Potential (Nameplate)

AI summary The document presents a figure related to the achievable potential of aggregated demand response, specifically the nameplate capacity. It includes visual data that illustrates the potential contributions of demand response programs in the energy sector.

Direct Load Control: NS Power/E1 Demand Response Working Group - NS Power and E1 have formed a Demand Response Working Group (DRWG). The objective of the group is to collaboratively plan, implement, and evaluate Demand Response (DR) activi...

AI summary NS Power and E1 have established a Demand Response Working Group to plan and implement DR activities in Nova Scotia. The group has focused on direct load control of water heaters, which show significant demand savings potential, especially for low-income customers. Commercial load control options are also being evaluated.

Water Heater DR Pilot - Pilot goal: demonstrate DR potential of directly controlling electric WHs of residential customers, and inform viability of a future, largescale program. - Request for Proposal (RFP) process completed, and two vendo...

AI summary The Water Heater DR Pilot aims to demonstrate the demand response (DR) potential of directly controlling residential electric water heaters. A request for proposal (RFP) process has been completed, selecting two vendors to provide control devices and applications. The pilot is live from November 2021 to November 2022, with 118 installations completed and customer recruitment ongoing.

Commercial DR Pilot - Pilot goal: demonstrate DR potential of aggregating and controlling various loads for commercial customers, and inform viability of a future, large-scale program. - Phase 1 will involve integration of customers' Sieme...

AI summary The Commercial DR Pilot aims to demonstrate the potential of aggregating and controlling commercial customer loads for demand response (DR), with Phase 1 involving integration with NSP's Energy System Platform and Phase 2 involving the procurement of a DR aggregator through an RFP issued in November 2021. The pilot is expected to run from winter 2021/2022 to March 2024.

Critical Peak Pricing / Time Varying Pricing - Two-year Time Varying Pricing (TVP) pilots were approved by NSUARB effective November 1, 2021. - TVP pilots include Critical Peak Pricing (CPP) and Time-of-Use (TOU) tariffs available to Domes...

AI summary Two-year Time Varying Pricing (TVP) pilots, including Critical Peak Pricing (CPP) and Time-of-Use (TOU) tariffs, were approved by the NSUARB in November 2021, with over 1,000 customers participating. NS Power is calculating the Avoided Costs of DSM for scenarios 2.0C and 2.1C using the Difference in Revenue Requirement (DRR) methodology to support EfficiencyOne's DSM scenario development.

Avoided Cost of DSM - Energy IRP Scearnio 2.0C (Reference Case) 2.1C Year Actual Annual AVC Energy ($/MWh) Levelized AVC - Energy ($/MWh) Equiv. Escal. Series - AVC -Energy ($/MWh) Actual Annual AVC Energy ($/MWh) Levelized AVC - Energy ($...

AI summary The document presents a table comparing the avoided cost of energy demand-side management (DSM) under two Integrated Resource Plan (IRP) scenarios, 2.0C (Reference Case) and 2.1C, across multiple years from 2023 to 2045. It outlines actual annual avoided costs, levelized avoided costs, and equivalent escalation series for each year and scenario.

2. Process and Deliverables - E1 requests that the Study Scope include the following deliverables as part of the Evergreen IRP - process: - Evergreen IRP 2022 Reference Plan; - Updated avoided costs of DSM using the aforementioned 2022 Ref...

AI summary E1 requests the Study Scope include three deliverables for the Evergreen IRP process: the 2022 Reference Plan, updated DSM avoided costs using this plan, and a comprehensive stakeholder engagement process for DSM cost updates.

Reference Plan - Selection of a Reference Plan is required for the development of Avoided Costs due to DSM, - which are required for DSM planning and monitoring of rate and bill impacts due to DSM. E1 - recommends the Evergreen process inc...

AI summary The selection of a Reference Plan is required for calculating Avoided Costs in DSM planning. E1 recommends incorporating this selection into the Evergreen process with transparent evaluation metrics to ensure accountability in rate and bill impact monitoring.

Avoided Costs - Avoided costs of DSM (energy, capacity, transmission, distribution and carbon) continue to be an - important input to DSM planning and analysis activities. E1 recommends that the Evergreen - process include the development...

AI summary E1 emphasizes the importance of updating avoided costs for demand-side management (DSM) and recommends stakeholder engagement for this process. It highlights that current DSM avoided costs require revision and notes that transmission and distribution avoided costs have not been updated since 2022.

Treatment of Carbon Pricing - E1 believes the effects of carbon pricing remain relevant in the context of the 2022 Evergreen - IRP Process. In the IRP Action Plan update, NS Power states: - NS Power is currently modeling multiple options f...

AI summary E1 emphasizes the need to incorporate diverse carbon pricing options in the 2022 Evergreen IRP Process, noting NS Power's modeling of GHG compliance scenarios. E1 recommends treating demand response as firm capacity, including electrification costs in IRP modeling, updating load forecasts, and pairing DSM scenarios with IRP sensitivities to address environmental policy and electrification impacts.

Attachment 2 NS Power Responses to Stakeholder Comments Theme Stakeholder Comment NS Power Response Evergreen Scenarios, Assumptions and Sensitivities Small Business Advocate (SBA) It is also SBA's recommendation that sensitivities are NS...

AI summary NS Power is responding to stakeholder comments on evergreen scenarios, assumptions, and sensitivities. The Small Business Advocate (SBA) recommends considering a range of sensitivities to ensure the evergreen approach.

EV Load Impacts with Managed Charging E3 developed a modelthatsimulates driving and charging of thousands of EV drivers - The driving patterns provide an indication of the load impacts as a result of charging patterns - It also providesins...

AI summary E3's model simulates EV charging impacts, showing that Time of Use (TOU) reduces typical peak loads but creates incidental peaks during off-peak periods. Vehicle Grid Integration (VGI) is necessary to mitigate increased electrification impacts from EV charging patterns.

Roadmap Item 7 The 2022 load forecast includes consideration for electrification growth from increased heat pump adoption and the shift to electrification in the commercial and industrial sectors, supported by federal and provincial electr...

AI summary The 2022 load forecast incorporates electrification growth from heat pump adoption and industrial/commercial sector shifts, supported by federal and provincial policies. NS Power's evergreen IRP process extends the 2022 report to 2050, aligning with 2020 IRP scenarios and including DSM assumptions. Post-filing policies like the 2026 federal EV sales target and 2025 provincial oil heat restrictions may accelerate electrification impacts.

DR Strategy – 2022 Pilot Projects The work completed in 2022 in support of the Demand Response (DR) Strategy includesthe following: - Progressthe Residential DR Pilot: - Completion of water heater DR pilot for both temperature and machine...

AI summary The 2022 pilot projects under the DR Strategy include progress on residential and commercial/industrial demand response initiatives, selection of vendors and aggregators, and evaluation of time-varying pricing tariff pilots. These efforts are being supported by E1 and NSP as part of broader grid modernization and energy efficiency initiatives.

Residential WaterHeaterDR Pilot - The customer programpilot/live testing periodwas conducted betweenNovember 2021 to November 2022 - Recruitment was completed inMarch of 2022; E1 managed both recruitment and installations - A customersurve...

AI summary The Residential WaterHeaterDR Pilot ran from November 2021 to November 2022, with recruitment completed in March 2022 by E1. Customer surveys were conducted during and after the pilot, and a final report is planned for Q2 2023. The program transitioned to a full program in November 2022, with 159 participants re-enrolling. The Shifted Energy device will be used for new participants, while existing users of the Aquanta controller will continue to be tested during the 2023 winter period.

Water Heater Control Programs - Early Learnings and Observations: - The Shifted Energy forecasts are accurate if baseline requirements are met(3 events per week) - Snapback observed following events(Shifted Energy offers adjustable randomi...

AI summary The Water Heater Control Programs report highlights early learnings from pilot initiatives, noting that energy forecasts are accurate when baseline requirements are met. However, snapback effects were observed, which the program aims to mitigate. Participant surveys show that most maintained access to hot water, and few were aware of DR events.

C&I DR Pilot – Phase 1 - Customer Program: - Integrate the Smart Grid NSDERMS with Siemens Energy Systems platform(completed for allthree sites) - E1 providing incentive of $125/kW for confirmed savings averaged across all events (based on...

AI summary The C&I DR Pilot – Phase 1 involves integrating the Smart Grid NSDERMS with Siemens Energy Systems, offering incentives for confirmed savings, and testing demand response strategies to reduce system peak loads. The pilot runs from February 2022 to March 2023 with three participating customers.

C&I DR Pilot: Phase 1 Testing The chart below is an example of a Critical Peak Reduction Eventfor a C&Isite: - The results demonstrate the outcome of a pre-event period (indicated by the red area in the chart below) to increase energy usag...

AI summary The text describes a Critical Peak Reduction Event for a C&I site, including a pre-event period that increases energy usage before a reduction event. The purpose is to reduce customer impact when equipment is shut down during the event. The graph shows aggregated estimated power based on equipment name plates and trends.

C&I DR Pilot – Phase 2 - Customer Program - Providing supportto IPKeys(selected turnkey aggregator) alongwith E1 as they progressthe pilot project - Pilotlive period: - Season 1: Dec 2022 to Feb 2023 - Season 2: Dec 2023 to Feb 2024 - Recr...

AI summary The C&I DR Pilot – Phase 2 involves supporting IPKeys and E1 in implementing a demand response pilot project. The pilot has two seasons with specific scheduling parameters for CPP events, and recruitment targeting 3MW is ongoing.

TVP Pilot - Framework NS Power launched the TVP Tariff Pilot on November 1, 2021 with the goal of incentivizing customers to use electricity during off-peak periods to help reduce operation costs and defer the capital costs of future infra...

AI summary NS Power launched the TVP Tariff Pilot on November 1, 2021, to incentivize off-peak electricity use, reduce operational costs, and defer infrastructure capital costs. Participants could choose between Time of Use (TOU) and Critical Peak Pricing (CPP) rates, with CPP events occurring during peak hours in November through March.

TVP Pilot – Evaluation Findings The evaluation of the TVP Pilot for year 1 included a detailed load impact evaluation for participants of both the CPP and TOU tariffs,which produced the following findings: - 960 households and 30 businesse...

AI summary The TVP Pilot evaluation found that 960 households and 30 businesses participated, with significant reductions in electricity demand during peak periods. TOU and CPP participants reduced demand by 12.6% and 18.3%, respectively, and overall participant satisfaction was high. NS Power plans to evaluate the full 2-year pilot in 2023.

Action Plan Item 5 NS Power will have the models available to calculate avoided costs of DSM forspecific use casesif requested in the future. Similar to the 2020 IRP, the avoided costs will be calculated by NS Power. Since this is not part...

AI summary NS Power will calculate avoided costs of DSM for specific use cases upon future request, similar to the 2020 IRP. This calculation will occur after the completion of the evergreen IRP work if requested.

LOAD AND ENERGY EFFICIENCY Figure 8 highlights the 26-year (NPVRR) with end effects by scenario and provides a comparison between scenarios to assess the impacts of the various load and energy efficiency assumptions modeled. The results de...

AI summary The analysis compares energy efficiency and load scenarios, showing Hybrid Peak (E2) scenarios reduce costs compared to base load (E1) scenarios. Base Plus and Modified Mid DSM scenarios yield higher NPVs than Base DSM. Accelerated Electrification scenarios achieve 2050 targets faster but require quicker capacity expansions. NS Power lacks cost estimates for Hybrid Peak program incentives.

IRP ACTION PLAN

AI summary The document introduces the Integrated Resource Plan (IRP) Action Plan, focusing on regulatory strategies for energy resource planning in Nova Scotia. It outlines initiatives related to demand-side management, renewable energy, and grid modernization, aligning with broader policy goals and regulatory frameworks.

ITEM 4: DEMAND RESPONSE Demand response (DR) programming and initiatives continue to demonstrate value to the system through a reduction in peak system requirements. The DR Action Plan item supports the continued progression of the demand...

AI summary Demand response (DR) initiatives are reducing peak system requirements, demonstrating value to the system. The DR Action Plan supports the continued progression of the demand response strategy and assessment of additional opportunities.

Item 4a: Pilot Programming Continue to progress the Demand Response Strategy via the existing pilot programming, targeting the expansion of the programming to 75MW of nameplate capacity, for deployment by 2025.

AI summary The proceeding seeks to expand existing pilot programming for Demand Response, aiming to achieve 75MW of nameplate capacity by 2025 as part of the broader Demand Response Strategy.

GLOSSARY The modeling scenarios and their descriptions can be accesse[d here.](https://irp.nspower.ca/files/key-documents/annual-evergreen-materials/Evergreen-IRP-Updated-Modeling-Scenarios-Descriptions.pdf) For additional definitions, ple...

AI summary The glossary defines key terms related to energy infrastructure and planning, including the Reliability Tie, Atlantic Loop, and Variable Renewable Energy. It also introduces the Modified Mid DSM (MDSM) plan, a demand-side management strategy modeled in the 2020 Integrated Resource Plan (IRP).

CE1-E1-R1-MMDSM NZ 2035-CURRENT POLICY AND TRENDS -ATLANTIC LOOP - MOD MID DSM Preliminary Scenario Metrics and Evaluation 26 Year NPVRR ($MM 2025$) $19,205 Key Input Assumptions and Observations 26 Year NPVRR with End Effects ($MM 2025$)...

AI summary The document evaluates the Modified Mid DSM (MMDSM) scenario's financial and environmental impacts compared to the base case (CE1-E1-R1). Key findings include a 26-year NPVRR increase of ~$0.4B, reduced wind capacity by ~500 MW, and increased SMR capacity (150 MW by 2050). Total emissions from 2025-2050 are comparable to the base case despite these changes.

WIND - All scenarios continue to add significant wind resources with total capacity reaching 1800 MW by 2030 including existing wind and committed projects - Absence of the Atlantic Loop drives higher wind capacity builds earlier in the pl...

AI summary All scenarios project significant wind capacity additions, reaching 1800 MW by 2030. The absence of the Atlantic Loop accelerates wind builds before 2033 but results in similar 2050 totals compared to scenarios with the Atlantic Loop. The modified mid-DSM scenario shows the lowest wind development among scenarios.