HomeEnergy EfficiencyM12499Evidence
Topic/Matter Intersection

Topic:"Energy Efficiency" in M12499

Matter: Nova Scotia Power Inc. - Application for approval of  2025/26 Time Varying Pricing (TVP) Tariffs
22 passages 8 documents

Energy Efficiency across all matters →

N-1Report 6 passages
Energy Charge p. p. 0
Energy Charge cents per kilowatt-hour Winter Period November 1 through March 31 On-peak (morning) · ()tt-neak Off-peak November 1 till ough March 31 7:00 AM to 11:00 AM 11:00 AM to 5:00 PM 5:00 PM to 9:00 PM 9:00 PM to 7:00 AM Effective Ja...

AI summary The document outlines energy charge rates for different periods and times of day, showing increases from 2024 to 2025. It also mentions the inclusion of a Small General Critical Peak Pricing program, referenced in Schedules C-1 and C-2.

Regulatory Counsel p. pp. 0-10
Regulatory Counsel Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status File proposed MURB TOU Tariff evaluation metrics File, no later 31 December 2024, a list of the proposed MURB TOU Tariff evaluati...

AI summary The document outlines several completed commitments related to the MURB TOU Tariff, including filing evaluation metrics, refining the tariff to reflect load shifting value, refining load reduction estimation methods, exploring revenue stability mechanisms for TVP, and reviewing accessibility for vulnerable customers. These actions were directed by various regulatory proceedings and agreements.

p. p. 11
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status • In response to the Consumer Advocate's comments, NS Power will provide a summary of applicant characteristics (e.g. customer home type, primary he...

AI summary The document outlines various commitments and actions by NS Power in response to the Consumer Advocate's comments and directives from M11822 and M11823. These include evaluating barriers to Time-of-Use (TOU) participation, assessing the impact of demand charges on General Service customers, and analyzing potential modifications to demand charge structures.

p. p. 12
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status shifting load from on-peak to off-peak the changes in the demand charge for commercial customers shifting load from on-peak to off-peak. Additional...

AI summary The document outlines various deliverables and commitments related to tariff adjustments, including load shifting, income-based billing impacts, and the review of system planning values for the Time-of-Use Tariff Program. It also includes directives for the development of a weekend-inclusive TOU tariff and the evaluation of avoided costs.

p. p. 14
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status What role TVP can play in meeting load and reserve requirements. Both though demand side flexibility, as well as by reducing variability in daily lo...

AI summary The document outlines several deliverables and commitments related to the Time-of-Use Tariff Program (TVP), including assessing its role in load and reserve requirements, addressing demand-related costs and revenues, providing segmentation model data, and evaluating the impact of demand charges on General Service Class customers.

p. p. 16
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status margin forecasts and CPP events in the YR4 Report Power to provide an analysis of the correspondence of system margin forecasts and CPP events in th...

AI summary The document outlines several deliverables and commitments related to the Year 4 Report, including an analysis of system margin forecasts and CPP events, a review of marketing and communication efforts, and an examination of commercial class customer characteristics in the TVP pilot. These actions aim to improve customer engagement, communication, and program effectiveness.

N-2Compliance Filing - NS Power 1 passage
Optional Green Power Rider p. pp. 42-46
Optional Green Power Rider Customers taking service under this rider may choose to support NSPI's Green Power program by purchasing "blocks" of Green Power. For every block purchased, NSPI will provide 125 kWh per month from green energy s...

AI summary The Optional Green Power Rider allows customers to support NSPI's Green Power program by purchasing blocks of green energy at $5 per month, providing 125 kWh of renewable energy and displacing fossil fuel energy. This charge is additional to the customer's normal bill under the Domestic Service Critical Peak Pricing Tariff.

100318Board Decision and Order 1 passage
Optional Green Power Rider p. p. 7
Optional Green Power Rider Customers taking service under this rider may choose to support NSPI's Green Power program by purchasing "blocks" of Green Power. For every block purchased, NSPI will provide 125 kWh per month from green energy s...

AI summary The Optional Green Power Rider allows customers to support NSPI's Green Power program by purchasing blocks of green energy at $5 per month, providing 125 kWh of renewable energy per block. This charge is in addition to the customer's regular bill under the Domestic Service Critical Peak Pricing Tariff.

99697Comments - SBA 1 passage
Issues: p. p. 0
- a) When did NS Power first learn that they would not have the capability to measure TVP loads? Has there been any changes in the participants, either joining or leaving, since the cyber security incident? - b) Should service to customers...

AI summary The document includes a series of questions directed at NS Power regarding TVP and CPP programs, including concerns about customer enrollment, equity, cost recovery, and the impact of a cyber security incident. It also explores potential modifications to the proposed rates and the implications of not deriving load impacts analytically.

99758Reply Comments - NSPI 6 passages
Conclusion p. pp. 7-8
Conclusion Stakeholder submissions demonstrate strong engagement and broad support for Option A, including endorsements from the CA and Synapse. While alternative suggestions – such as midseason CPP billing or adjusting TVP rates to match...

AI summary Stakeholders strongly support Option A for the TVP program, endorsed by the CA and Synapse. Alternative suggestions like midseason CPP billing or adjusting TVP rates to match the SOR were considered but rejected due to complexity and potential negative impacts. NS Power's approach is seen as a balanced solution under constrained circumstances.

32 GEEG Comments, page 1, and Synapse Comments, pages 2-4 and page 5. 35 DOE Comments, page 1. p. p. 13
32 GEEG Comments, page 1, and Synapse Comments, pages 2-4 and page 5. 35 DOE Comments, page 1. Theme Party Party Question or Comment NS Power Reply (3) Alternative Approaches and Data or Systems Availability SBA First, it is unclear why NS...

AI summary The SBA questions why NS Power did not propose an option to salvage value from tariffs during the 2025-26 winter period. NS Power responds that the marginal benefit of reverting to SOR is limited, citing a 0.15% load reduction impact. NS Power also notes that DR programs will continue independently of TVP and will provide notice if CPP event notifications are restored.

44 SBA Comments, page 3. p. p. 14
44 SBA Comments, page 3. Theme Party Party Question or Comment NS Power Reply e) Is there an alternative option that strikes a balance between the extremes of Option A and Option B, either in the specific energy charge or overall approach?...

AI summary The SBA is asking if there is an alternative option between Option A and Option B, and if Option A can be modified to test customer behavior and simulate critical peak events. NS Power responds that system restoration is not complete, so they cannot retrieve time-differentiated data or notify customers of critical peak events, limiting their ability to test customer responsiveness.

46 SBA Comments, page 4. p. p. 15
46 SBA Comments, page 4. Theme Party Party Question or Comment NS Power Reply (4) Temporary Modifications and TVP Program Continuity SBA a) When did NS Power first learn that they would not have the capability to measure TVP loads? Has the...

AI summary The SBA raises questions about NS Power's ability to measure TVP loads and program continuity for the 2025-26 period. NS Power explains that the cybersecurity incident impacted AMI data retrieval, leading to a pause in new enrollments and a restriction to existing participants for continuity.

55 Synapse (Board Counsel Consultant) Comments, page 5. p. p. 17
restored during the 2025/26 TVP Season, but with the possibility that events would be called as usual as soon as system capabilities are restored. This option would not require a change to the tariff, as the tariff does not currently speci...

AI summary Synapse recommends resuming the CPP program as soon as NS Power's IT systems are restored to allow for quicker resumption of events. However, the continuation of the program could have a minor impact on load reduction and revenue, and may affect customer experience and future enrollment in the DR initiative.

Section 59 p. p. 17
52 In its Memorandum to the CA, GEEG (CA Consultant) observes that approximately 1.5 percent of NS Power's customer base is enrolled in TVP. NS Power respectfully adds that, while not insignificant, the magnitude of the program at this sta...

AI summary NS Power notes that approximately 1.5% of its customers are enrolled in Time-Varying Pricing (TVP), and suggests that a temporary pause in load shift activity may be offset by long-term program viability. NS Power's 2025 Load Forecast Report estimates 3.7 MW of load reduction in the 2024/25 TVP Season and a 2,400 MW system peak. The Department of Energy (DOE) provided comments on the matter.

100318Board Decision and Order 2 passages
Section 20 p. p. 4
Effective November 1, 2025, in accordance with the Nova Scotia Energy Board (NSEB, Board) Decision[1](#page-6-0) on NS Power's Application for 2025/26 Time-varying Pricing (TVP) Tariffs (M12499): - The Interim Energy Charge applies in all...

AI summary The Nova Scotia Energy Board (NSEB) has approved interim energy charges for NS Power's Time-Varying Pricing (TVP) Tariffs effective November 1, 2025. These charges apply during periods when system functionality is unavailable and will be restored once functionality is restored, with specific notice requirements depending on the timeline of restoration.

Special Terms and Provisions p. pp. 7-9
Special Terms and Provisions - (1) Green Power, as defined for the purposes of this rider includes energy produced from renewable resources that have minimal impact on the environment, and could be independently certified by third party en...

AI summary The document outlines a special rider defining 'Green Power' as energy from renewable sources with minimal environmental impact, potentially certified by third parties. It also mentions that service under this rider may be limited based on available green energy. The rider is an optional tariff aimed at shifting load from peak to off-peak periods, available to customers under the Small General Tariff.

100335Letter NSPI re: Extension request 4 passages
Section 2 p. p. 0
the Year Four Evaluation, Measurement and Verification (EM&V) report, no later than December 31, 2025.[2](#page-1-0) In accordance with the Board's direction, NS Power provides the following update: Data collection and preparation for the...

AI summary NS Power is updating the Board on delays in preparing the Year Four EM&V report due to a cyber incident affecting data availability. They plan to file the report in Q2 2026, with data collection and preparation underway as systems are restored.

Regulatory Counsel p. pp. 1-3
Regulatory Counsel 3 M12499 – Year Four (2024/25) Evaluation Report Update and Proposed Approach for 2025/26 Time Varying Pricing Tariffs, page 9. October 1, 2025. Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Comp...

AI summary The document outlines completed deliverables and commitments related to the MURB TOU Tariff evaluation metrics, load shifting value refinement, load reduction estimation methods, TVP revenue stability mechanisms, and accessibility for vulnerable customers. These were completed by 31 December 2024 and reviewed in Technical Session 1 on 3 March 2025.

p. p. 4
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status • In response to the Consumer Advocate's comments, NS Power will provide a summary of applicant characteristics (e.g. customer home type, primary he...

AI summary The document outlines various commitments and actions related to the evaluation and modification of demand charges and TVP (Time-Varying Pricing) strategies by NS Power. It includes the review of metering and billing systems, the assessment of demand charge impacts on customers, and the analysis of costs driven by non-coincident demands.

p. p. 5
Summary of Deliverable / Commitment Detail & Context Source 1 Due by / Completed on Status shifting load from on-peak to off-peak the changes in the demand charge for commercial customers shifting load from on-peak to off-peak. Additional...

AI summary The document outlines various deliverables and commitments related to time-varying pricing (TVP) and tariff design, including shifting load from on-peak to off-peak, assessing the alignment of TVP offerings with avoided costs, and developing a weekend-inclusive TOU tariff. These actions are part of ongoing regulatory proceedings and stakeholder engagement.

100432Board Letter re: Approving Extension Request 1 passage
Section 2 p. pp. 0-1
em and data availability following the cyber incident, additional time is required to complete the report. NS Power proposed to file its Year Four Report in Q2 2026, or earlier if it is able to do so. In its present request, NS Power also...

AI summary NS Power requested an extension for filing its Year Four EM&V report and deferral of certain directives. The Board approved the extension to June 30, 2026, and the deferral, requiring NS Power to report on the status of these directives in its report.

Disclaimer: These summaries were generated by AI from the filings they describe. We take care to make them accurate, but errors are possible - and they aren't advice. Only the filings themselves are the record: if you're relying on something here, confirm it against the source documents or the Nova Scotia Energy Board's own record. Full disclaimer →