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AI-generated summary · Application · 06/19/2025

Multiple intervenors filed Round 1 Information Requests to EfficiencyOne and verifier H. Gil Peach & Associates challenging the practical significance of DSM program savings ahead of the 2026 DSM Extension proceeding.

M12249 · EfficiencyOne - 2026 DSM Extension ApplicationIN THE MATTER OF An Application by EfficiencyOne for Approval of the 2026 DSM Extension for Demand-Side Management Activities between EfficiencyOne and Nova Scotia Power Inc., and for Approval of the Amendment to the 2023-2025 Demand-Side Management Purchase Agreement between EfficiencyOne and Nova Scotia Power Inc.
AI summary
  • The Small Business Advocate (Exhibit 98158–98159), Industrial Group (Exhibit 98160–98161), EfficiencyOne itself (Exhibit 98162), and the Consumer Advocate (Exhibit 98163) each issued IRs dated June 19, 2025, with responses due July 3, 2025, all focused on Exhibit E-2, the 2024 Savings Verification Report authored by H Gil Peach Associates.
  • A central line of questioning across all four intervenors concerns Peach recommendation SVR24-G-1 (E-2, pp. 16–17), which declines to accept evaluation estimates for four programs — the Residential Behavior program (6.270 GWh), Residential Demand Response (0.057 MW), BNI Demand Response (8.034 MW), and the compressed-air component of BNI Custom Incentive — on the ground that statistically significant results lack practical significance at the household and utility-system level.
  • The Industrial Group (IR-5 to IR-7, Exhibit 98160) and the Small Business Advocate (IR-2, Exhibit 98158) pressed Efficiencyone to restate 2024 and cumulative 2023–2024 energy and demand savings if the Board accepts Peach's non-acceptance recommendations, to recalculate unit costs per kWh/kW saved, and to explain whether programs flagged for producing "tiny savings" are included unchanged in the 2026 Extension Plan.
  • Efficiencyone directed fourteen IRs (Exhibit 98162) to Peach challenging the methodological basis and scope of the verification report, including whether the verifier's mandate covered policy and planning recommendations (IR-02), how undefined qualitative terms such as "meaningful," "tiny," and "practical" savings are grounded in current methodological guidance (IR-07 to IR-09), and requesting source data and calculations supporting findings on the compressed-air BNI Custom program leak-rate anomalies (IR-12 to IR-14, referencing E-2, pp. 64–66).
  • The Consumer Advocate (Exhibit 98163, IR-1) challenged Peach's framing of "practical importance," noting that the Green Heat program's absolute participation difference of 0.1 percentage points cited by Peach as trivial represents a 33–50% relative increase in participation rates between treatment and control groups, raising questions about whether absolute versus relative effect-size metrics were appropriately applied.

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What was filed

Documents filed on this day

  • 98158 SBA (E1) IR 1 to 5 other_documents
  • 98159 SBA (Peach) IR 1 to 5 other_documents
  • 98160 IG (E1) IR 1 to 7 other_documents
  • 98161 IG (Peach) IR 1 other_documents
  • 98162 E1 (Peach) IR 1 to 14 other_documents
  • 98163 CA (Peach) IR 1 to 5 other_documents