EfficiencyOne - 2027-2031 Demand Side Management (DSM) Plan Application

What's happened

Filing Timeline

• 08 Sep
  Document

  Affordable Energy Coalition files closing remarks urging NSEB to direct EfficiencyOne to increase DSM investment, low-income program savings, and equity for tenants in the 2027–2031 Plan
• 28 Aug
  Document

  Consumer Advocate's consultant filed responses to four NSEB undertakings in the EfficiencyOne 2027–2031 DSM Plan proceeding, addressing low-income measurement methodology, rate and bill impact analysis revisions, and APEX Study comparator confirmation.
• 21 Aug
  Document

  EfficiencyOne filed responses to 12 undertakings and one Board counsel consultant undertaking in the M12780 2027–2031 DSM Plan proceeding, disclosing program data corrections, cost-effectiveness updates, and low-income program funding details
• 07 Aug
  Document

  NSEB issues 16 undertakings to EfficiencyOne and expert witnesses in the 2027-2031 DSM Plan hearing
• 06 Aug
  Document

  EfficiencyOne filed Statistics Canada Market Basket Measure reference materials in support of its 2027–2031 DSM Plan Application
• 05 Aug
  Document

  Affordable Energy Coalition files revised opening statement opposing DSM spending cuts and urging expanded low-income and electrification programming in EfficiencyOne's 2027–2031 plan
• 04 Aug
  Document

  Consumer Advocate confirms agreement with EfficiencyOne on terms for an Incentive Study in the 2027–2031 DSM Plan proceeding
• 03 Aug
  Document

  EfficiencyOne and Consumer Advocate file joint agreement to conduct incentive level research study in M12780 DSM Plan proceeding
• 31 Jul
  Document

  EfficiencyOne and Industrial Group file agreed DR Participation Study framework ahead of oral hearing in M12780 2027-2031 DSM Plan proceeding
• 31 Jul
  Document

  EfficiencyOne and the Industrial Group file a joint agreement on a Demand Response Participation Study for large industrial interruptible customers, ahead of the M12780 oral hearing
• 31 Jul
  Document

  EfficiencyOne filed exhibit E-55, the CV of expert witness Chris Pulfer, P.Eng. of Posterity Group, in support of its 2027–2031 DSM Plan Application
• 30 Jul
  Document

  EfficiencyOne and Eastward Energy file agreement resolving disputed evidence ahead of oral hearing in M12780 DSM Plan proceeding
• 29 Jul
  Closing Evidence

  EfficiencyOne and eight intervenors filed opening statements in the M12780 hearing for the proposed 2027–2031 DSM Resource Plan, with debate centering on investment levels, strategic electrification, demand response, and equity
• 27 Jul
  Document

  EfficiencyOne agrees to consolidate witness panels for 2027–2031 DSM Plan hearing, reducing panel from nine to six witnesses
• 24 Jul
  Document

  EfficiencyOne files rebuttal evidence defending its 2027–2031 DSM Plan against challenges from Synapse, the Consumer Advocate, NS Power, Solar Nova Scotia, and Eastward Energy
• 23 Jul
  Document

  EfficiencyOne files witness list and hearing logistics are resolved for M12780 2027–2031 DSM Plan Application hearing
• 22 Jul
  Document

  EfficiencyOne agrees to limited witness scheduling accommodations for the M12780 DSM Plan hearing while asserting its preference for due-process ordering of evidence
• 17 Jul
  RIR

  Intervenors clash over strategic electrification cost-effectiveness and IRP-aligned DSM spending levels in EfficiencyOne's 2027–2031 plan proceeding.
• 08 Jul
  Document

  NSEB issues hearing logistics letter confirming virtual witness arrangements for EfficiencyOne's 2027-2031 DSM Plan proceeding (M12780)
• 06 Jul
  Document

  Multiple parties filed cross-examination Information Requests on intervenor evidence in EfficiencyOne's 2027–2031 DSM Plan proceeding, targeting cost-effectiveness methodology, demand response strategy, and strategic electrification.
• 02 Jul
  Document

  EfficiencyOne's 2027–2031 DSM Plan Application filed expert CVs from The Brattle Group and a Synapse witness sought virtual hearing participation
• 30 Jun
  Document

  Three intervenors request virtual appearance for expert witnesses at the EfficiencyOne 2027–2031 DSM Plan hearing commencing August 4, 2026
• 26 Jun
  RIR

  EfficiencyOne refiles confidential IR responses in M12780 after Board orders Mercer Compensation Review downgraded from Board-only to General Confidential treatment
• 24 Jun
  Decision

  NSEB denied Efficiency One's request to shield Mercer Compensation Review from intervenors, ordering the report released on a General Confidential basis to parties holding signed confidentiality undertakings.
• 23 Jun
  Document

  Eastward Energy and Solar Nova Scotia file intervenor evidence calling for stronger electrification, demand response, and small-business DSM reforms in EfficiencyOne's 2027–2031 Plan.
• 23 Jun
  Document

  Intervenor experts challenge EfficiencyOne's 2027–2031 DSM Plan as under-ambitious on savings targets, electrification, and demand response cost-effectiveness.
• 16 Jun
  RIR

  H. Gil Peach & Associates filed responses to Consumer Advocate and Small Business Advocate Round 1 Information Requests in M12780, while EfficiencyOne submitted arguments to maintain Board-only confidentiality over executive compensation data in the Mercer Report.
• 10 Jun
  Document

  NSEB Panel challenges EfficiencyOne's Board-Only confidential treatment of Mercer compensation data ahead of oral hearing in M12780 DSM Plan proceeding
• 09 Jun
  Document

  Consumer Advocate and Small Business Advocate filed Information Requests to NSEB consultant H. Gil Peach regarding the 2025 Savings Verification Review (Exhibit E-17) in the EfficiencyOne 2027–2031 DSM Plan proceeding (M12780)
• 02 Jun
  Document

  Independent savings verification report confirms 129.4 GWh net first-year energy savings and 23.6 MW peak demand reduction for Efficiency Nova Scotia's 2025 DSM portfolio, with qualified acceptance recommended
• 28 May
  RIR

  EfficiencyOne files comprehensive responses to 17 information requests from eight intervenors on its proposed 2027–2031 Demand Side Management Plan, covering cost-effectiveness, baseline methodology, strategic electrification exclusion, and incentive-setting practices.
• 08 May
  Document

  NRStor Incorporated filed seven information requests to EfficiencyOne in M12780, focusing heavily on residential battery storage eligibility and avoided cost methodology in the proposed 2027–2031 DSM Plan
• 07 May
  Document

  Eight intervenor groups file 236 information requests challenging EfficiencyOne's proposed 2027–2031 Demand-Side Management Plan, pressing on affordability constraints, cost-effectiveness, industrial rate equity, demand response performance, and mid-course adjustment governance.
• 28 Apr
  Document

  EfficiencyOne refiles NS Power Rate Model Excel attachments in M12780 after original macro-enabled files could not be opened by parties
• 27 Apr
  Document

  EfficiencyOne filed its participant list for the 2027–2031 DSM Plan application, establishing a broad intervenor roster before the Nova Scotia Energy Board.
• 23 Apr
  Document

  EfficiencyOne's 2027-2031 DSM Plan Application published proof of advertisement, with public hearing scheduled for August 4–7, 2026
• 21 Apr
  Document

  Four intervenors file notices of participation in EfficiencyOne's 2027-2031 DSM Plan proceeding (M12780)
• 17 Apr
  Document

  Eastward Energy files Notice of Intervention in EfficiencyOne's 2027–2031 DSM Plan proceeding
• 16 Apr
  Document

  NRStor Incorporated filed a Notice of Intervention in EfficiencyOne's 2027-2031 DSM Plan Application, citing expertise in residential battery storage
• 10 Apr
  Document

  Nova Scotia Power and Solar Nova Scotia file notices of intervention in EfficiencyOne's 2027–2031 DSM Plan application
• 09 Apr
  Document

  Small Business Advocate and Industrial Group file notices of intervention in EfficiencyOne's 2027-2031 DSM Plan Application
• 08 Apr
  Document

  Three intervenors — the Municipal Electric Utilities, IESO Nova Scotia, and the Consumer Advocate — filed notices of intervention in EfficiencyOne's 2027-2031 DSM Plan proceeding (M12780) on April 8, 2026.
• 07 Apr
  Order

  Nova Scotia Energy Board issued hearing order for EfficiencyOne's 2027-2031 DSM Plan Application setting August 4-7, 2026 hearing dates
• 31 Mar
  Closing Evidence

  EfficiencyOne files 2027–2031 DSM Resource Plan and Purchase Agreement with NSEB, proposing $318.75M in flat-funded energy efficiency, demand response, and solar-PV programming

The filings themselves

Documents

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