Topic:"Demand Side Management" in M12273

NS Power Cyber Incident Report Appendix B Page 6 of 7 Report 2 - Report 3 - Report 4 - Forecast Restoration of Affected Regulatory Matters Latest update October 1 November 3 December 1 Normal Activities Demand Side Management

AI summary The text references a cyber incident report from NS Power and mentions 'Demand Side Management' in the context of affected regulatory matters. It includes dates and a forecast for the restoration of normal activities.

Normal Activities Demand Side Management

AI summary The text refers to 'Normal Activities' and specifically mentions 'Demand Side Management' as a topic. It does not provide detailed information or arguments related to these terms.

The Residential Behaviour October 1: "As noted by the NSEB in its letter of September 17, 2025, the ability to provide relevant customer data to EfficiencyOne (E1) has been affected by program will require a the cybersecurity incident. Cus...

AI summary The NSEB noted that a cybersecurity incident has disrupted data flows from NS Power to EfficiencyOne (E1), affecting the Residential Behaviour Program. This has limited E1's access to customer consumption data from AMI meters and the My Energy Insights platform. NS Power is working to restore data flows and is meeting with E1 to discuss interim solutions.

November 3: "The Company continues to coordinate with E1 on demand response (DR) events, which will proceed independently of the TVP program. NS Data flows to evaluate Power will continue to notify E1 of DR events, and E1 will continue to...

AI summary Nova Scotia Power is coordinating with E1 on demand response events, which will continue independently of the TVP program. E1 will administer its DR program, and AMI data will not be available for evaluation during the upcoming winter season. Alternative methods like dataloggers are being used to ensure accurate measurement of commercial events.

y." and relevant systems. System Planning October 1: "In response to Natural Forces IR-1 (and Energy Storage Canada IR-5) under the 2025 Evergreen IRP Action Plan and Roadmap Update proceeding (M12247), NS Power advised of its inability to...

AI summary NS Power informed the proceeding (M12247) that it could not access certain historical and simulated data due to a cyber incident affecting its IT system. It referenced the 2023 Load Forecast Report for DSM values and provided data for 2024, 2030, and 2035 from the NS-NB Reliability Intertie model.

of the Board’s questions are addressed in turn below. 1. Confirming the inability of demand registers to reset remotely at the end of each billing cycle was limited to single-phase meters. The inability of demand registers to reset remotely...

AI summary The document addresses the Board's questions regarding the inability of demand registers on single-phase meters to reset remotely, impacting a subset of customers in General Demand and Small Industrial rate classes. NS Power has identified 1,056 impacted customers and plans to communicate with them in early 2026 after completing an investigation. So far, 35 customers have been contacted.

wer Cyber Incident Appendix C Page 2 of 5 5. How many demand billing customers have been contacted about the issue? NS Power has been in contact with 35 customers impacted by this issue. 6. How many demand billing customers have had their...

AI summary NS Power has contacted 35 customers impacted by a cyber incident, investigated charges for 1,454 customers, and is in the process of reviewing accounts, expecting completion in early 2026. There is currently no standardized methodology for assessing the impact on demand billing customers due to the inability of demand registers to reset remotely.

eing billed appropriately? There is no standardized methodology for determining the impact on single-phase demand billing customers from the inability of demand registers to reset remotely. NS Power is reviewing all individual bills of the...

AI summary NS Power is reviewing the billing of 1,454 customers affected by a cyber-incident that caused the loss of remote demand reset functionality. Credits have been issued to 35 customers totaling $10,497, and 1,056 customers may face increased demand charges. Single-phase meters serve over 550,000 service locations.

d a long-term solution to this issue through consultation with the meter vendor? If not, please elaborate on any short-term solutions while long-term solutions continue to be investigated. A long-term solution is to procure a new product f...

AI summary The document discusses short-term and long-term solutions for addressing issues with single-phase meters, including procuring a new meter product and re-establishing AMI systems. It also outlines contingency plans for the loss of AMI functionality, such as manual meter reading and field work orders for connects and disconnects.

r Approval of 2025 2026 TVP Tariffs Decision Approved, October 28, 2025. Page 4 of 9 December 1, 2025 C. Henwood Extra Large Industrial Active Demand Control Tariff and One-Part RTP Tariffs Since NS Power’s last monthly update, NS Power has...

AI summary NS Power has re-established critical systems for evaluating ELIADC and determining costs to serve PHP and One-Part RTP. Capital budgeting data was impacted by an incident, though spreadsheets were used for continuity. The Fuel Adjustment Mechanism remains a focus for cost recovery and rate-setting.

hampered by the unavailability of data; • M11626 – In its report on the Hosting Capacity Analysis Stakeholder Workshop related to the Commercial Net Metering Program, NS Power stated that the cybersecurity incident impacted some of its bus...

AI summary A cybersecurity incident disrupted data availability for NS Power, delaying updates to the Commercial Net Metering Program's hosting capacity map and halting EfficiencyOne's Residential Behaviour Program. NS Power lacks a timeline for data restoration, impacting program performance and evaluations.

Ongoing Regulatory Matters As a result of the impacts noted above, several matters before the Board have been affected, including: • rates-related, Page 4 of 16 October 1, 2025 C. Henwood • customer billing, • capital and ACE Plan, • finan...

AI summary The Incident has impacted multiple regulatory matters before the Board, including rates, billing, capital/ACE Plan, financial reporting, fuel adjustment mechanisms, reliability standards, and demand-side management. The Board is being updated on evolving impacts to ensure transparency.

As the Board has now requested, the identified impacts as understood to date are included in the sections that follow. Rates-Related Matters Rates-related matters have been affected by the Incident. Time Varying Pricing As noted by the NSEB...

AI summary The Incident has impacted rates-related matters, including Time Varying Pricing (TVP), Time-of-Use Real Time Pricing (TOU RTP) tariffs, and the Extra Large Industrial Active Demand Control (ELIADC) Tariff. NS Power faces data unavailability challenges for 2025 reports, though customer impact is not anticipated. NS Power will submit a proposed TVP approach and investigate missing data for ELIADC reporting.

er and any adjustments arising from schedule variances if required. NS Power shall endeavor to submit this report no later than 60 days after the end of a tariff year. PHP will be entitled to a credit equal to 25 percent of the cost differ...

AI summary NS Power's systems for calculating cost-to-customer metrics under ELIADC and RTP tariffs were disrupted by a cyber incident, impacting ADC evaluations and PHP's CBL cost calculations. NS Power aims to file a new PHP-specific tariff by 2025, pending NSEB approval, and will reassess costs once systems are restored.

This is not expected to have an impact on customers. Interconnection Processes Interconnection Processes related matters have been affected by the Incident. Hosting Capacity Map and Analysis As noted by the NSEB in its letter of September 1...

AI summary A cybersecurity incident disrupted NS Power's interconnection processes and hosting capacity map updates, delaying 2026 enhancements. NS Power is mitigating impacts through offline data updates and interim processes, maintaining obligations under SGIP and DGIP despite system disruptions.

s. Demand Side Management E1’s Residential Behaviour Program As noted by the NSEB in its letter of September 17, 2025, the ability to provide relevant customer data to Efficiency One (E1) has been affected by the cybersecurity incident. Custo...

AI summary NS Power faces data access challenges due to a cybersecurity incident, impacting E1's Residential Behaviour Program and the Evergreen IRP proceeding. Data from AMI meters and MEI is unavailable, with recovery expected into 2026. NS Power is seeking interim solutions and referencing historical data from the 2023 Load Forecast Report.

s noted at the outset of this report, the following updates what had been provided in the second Monthly Update Report. Rates-Related Matters Rates-related matters have been affected by the Incident. Time Varying Pricing On October 28, 2025...

AI summary The Incident impacted rates-related matters, including Time Varying Pricing Tariffs and ELIADC/One-Part RTP Tariffs. The NSEB approved NS Power’s 2025/26 Time Varying Pricing Tariffs, prompting compliance measures. NS Power is restoring IT systems to evaluate ELIADC and RTP costs, essential for tariff implementation.

available in November 2025 and will work diligently to populate the necessary databases and restore the dependent processes once system access is re-established. Fuel Adjustment Mechanism Fuel Adjustment Mechanism (FAM) related matters hav...

AI summary NS Power discusses impacts of a system incident on the Fuel Adjustment Mechanism (FAM) audit, demand response programming with E1, and challenges in Customer Energy Management evaluation due to unavailable AMI data. Alternatives like dataloggers and collaboration with Econoler are being explored.

r Approval of 2025 2026 TVP Tariffs Decision Approved, October 28, 2025. Page 4 of 9 December 1, 2025 C. Henwood Extra Large Industrial Active Demand Control Tariff and One-Part RTP Tariffs Since NS Power’s last monthly update, NS Power has...

AI summary NS Power has restored systems for evaluating ELIADC and cost-to-serve PHP/One-Part RTP tariffs. Capital budgeting was disrupted by an incident, but spreadsheets were used for continuity, enabling 2026 ACE Plan development. The Fuel Adjustment Mechanism remains a focus for cost recovery.

and GIS. ETA for this is March 2026. Demand Side Management Monthly Cybersecurity Update 5 Attachment 2 Page 6 of 7 Report 2 - Report 3 - Report 4 - Report 5 - Affected Regulatory Matters October 1 November 3 December 1 February 4 Forecast...

AI summary The text references a 'Monthly Cybersecurity Update' with an ETA of March 2026 and mentions 'Demand Side Management' in the context of regulatory matters. It also lists reports and dates related to affected regulatory matters, including a 'Rates-Related Matters' section.

Activities Updated Jan 31, 2026 Rates-Related Matters The Residential Behaviour program will require a minimum of 1 bill cycle following the reintroduction E1’s Residential Behaviour Program Introduced NA NA NA No Update of data into MEI b...

AI summary E1's Residential Behaviour program requires a minimum of one bill cycle following data reintroduction into MEI before producing results, with forecast restoration expected by Q3 2026. This update pertains to rates-related matters.

restoration is by end of Q3 2026. Data flows to evaluate Demand Response will be restored in Q3 2026, ahead of the 26/27 Season E1's Demand Response Programming NA Introduced NA NA No Update beginning on Dec 1, 2026, pending successful res...

AI summary The document mentions the restoration of data flows for Demand Response by Q3 2026, with Demand Response Programming beginning on Dec 1, 2026, pending the successful restoration of AMI and relevant systems. It also references a Monthly Cybersecurity Update.

March 2026. NA NA NA No new update Processing Interconnection Requests Introduced NA Monthly Cybersecurity Update 6 Attachment 2 Page 5 of 6 Report 2 - Report 3 - Report 4 - Report 5 - Report 6 - Forecast Restoration of Normal Affected Reg...

AI summary The document outlines updates on interconnection requests, monthly cybersecurity reports, and affected regulatory matters including rates-related issues and demand-side management. It references reports dated October 2025 to March 2026 and notes the latest update on February 28, 2026, with a focus on restoring normal activities.

is by end of Q3 2026. Data flows to evaluate Demand Response will be restored in Q3 2026, ahead of the 26/27 Season E1's Demand Response Programming NA Introduced NA NA NA No new update beginning on Dec 1, 2026, pending successful restorat...

AI summary The text outlines plans to restore Demand Response programming by Q3 2026, contingent on successful AMI system restoration. E1's programming will not update until December 2026, pending system recovery. System Planning is highlighted as a key area.

(ACOC) report. The Board approved the request. The ACOC report is now due May 29, 2026. Interconnection processes Dependent on the GIS recovery and integration between GIS and CYME Hosting Capacity Map and Analysis Introduced NA Software....

AI summary The ACOC report is approved with a due date of May 29, 2026. The document outlines interconnection processes, including the introduction of a Hosting Capacity Map with an ETA of September 2026, and updates on processing interconnection requests. Demand Side Management is also mentioned as a relevant topic.

No new update Processing Interconnection Requests Introduced NA Demand Side Management

AI summary The text indicates no new updates, with sections on processing interconnection requests and demand-side management. Key themes include interconnection procedures and demand-side management initiatives, though no specific details or arguments are provided.

The Residential Behaviour program will require a minimum of 1 bill cycle following the reintroduction of E1’s Residential Behaviour Program Introduced NA NA NA NA NA No new update data into MEI before it can produce results. Forecast resto...

AI summary The Residential Behaviour program requires a minimum of one bill cycle following data reintroduction into MEI before results can be generated, with forecast restoration by Q3 2026.

Data flows to evaluate Demand Response will be restored in Q3 2026, ahead of the 26/27 Season E1's Demand Response Programming NA Introduced NA NA NA NA No new update beginning on Dec 1, 2026, pending successful restoration of AMI and rele...

AI summary The document discusses E1's Demand Response Programming, noting no new updates introduced, with restoration expected in Q3 2026 pending successful AMI and system restoration. The timeline aligns with the 2026/27 season, emphasizing infrastructure readiness.

Additional time is required to compile and share data with NS Power has consulted with Econoler to develop an alternative 2025 CEM EM&V approach that reflects the data Econoler for the 2025 EM&V. NS Customer Energy Management (CEM) limitat...

AI summary NS Power is collaborating with Econoler to address data limitations from an Incident, transferring AMI data and datasets for 2025 CEM EM&V processing. An extension request to the NSEB is planned for April to accommodate the revised timeline.

Affiliate Code of Conduct Introduced NA NA NA Updated Updated NA No new update Q2 2026 Interconnection processes Dependent on the GIS recovery and integration between GIS and Hosting Capacity Map and Analysis Introduced NA NA NA NA NA NA C...

AI summary The document outlines updates to the Affiliate Code of Conduct with a Q2 2026 update deadline. It details interconnection processes dependent on GIS recovery and CYME software integration, with an ETA of September 2026 for the Hosting Capacity Map. Demand Side Management initiatives are mentioned in the context of interconnection request processing.

September 2026. Processing Interconnection Requests Introduced NA Demand Side Management The Residential Behaviour program will require a minimum of 1 bill cycle following the reintroduction of E1’s Residential Behaviour Program Introduced...

AI summary The Residential Behaviour program requires a minimum of one bill cycle after reintroduction before results can be generated, with forecast restoration expected by Q3 2026. Demand Side Management and interconnection request processing are also mentioned as introduced initiatives.

end of Q3 2026. Data flows to evaluate Demand Response will be restored in Q3 2026, ahead of the 26/27 Season E1's Demand Response Programming NA Introduced NA NA NA NA NA No new update beginning on Dec 1, 2026, pending successful restorat...

AI summary The text outlines plans to restore Demand Response programming by Q3 2026, contingent on AMI system restoration, and references a cybersecurity incident monthly update. No new updates to E1's Demand Response Programming are introduced.

The 2025 CEM EM&V is in NS Power has consulted with Econoler to develop an alternative 2025 CEM EM&V approach that reflects the data limitations due to the progressed and planned for filing on Customer Energy Management (CEM) Incident. AMI...

AI summary NS Power is developing an alternative 2025 CEM EM&V approach with Econoler due to data limitations from an incident. AMI data up to March 2025 has been transferred, with processing expected by July 2026. An extension to file the report by July 1, 2026 was approved by NSEB on April 24, 2025. Restoration of My Energy Insights systems is also mentioned.

The following projects experienced adjustments to their completion timeline. An overview of the changes and associated rationale is outlined below: Pillar Project Summary of Change Rationale Affiliate Code of Conduct Affiliate Code of Cond...

AI summary The document outlines timeline adjustments for several projects, including the Affiliate Code of Conduct, Hosting Capacity Map and Analysis, and El's Residential Behaviour Program. These changes are due to factors such as the need for data cycles and software integration delays.

The following projects experienced adjustments to their completion timeline. An overview of the changes and associated rationale is outlined below: Pillar Project Summary of Change Rationale Hosting Capacity Map and Analysis Introduced NA...

AI summary The document outlines project timeline adjustments, including delays due to GIS recovery and integration with CYME Software, and updates on the Residential Behaviour Program and Demand Response Programming. Affected regulatory matters are also noted with report dates and forecast restoration timelines.