AI-generated summary
· Application · 05/03/2018
H. Gil Peach & Associates filed a savings verification review of Efficiency Nova Scotia's 2017 DSM program evaluations, recommending full acceptance of Econoler's reported energy savings and demand reductions across all program components
AI summary
- The verification review (Exhibit E-5) confirms all 2017 Econoler evaluations are within accepted industry frameworks, recommending unconditional acceptance (SVR-1) of reported Demand Side Management results: 130.749 GWh net first-year portfolio energy savings and 23.679 MW net peak demand reduction at the generator, with an additional 21.914 GWh and 4.028 MW attributed to Appliance Standards Codes & Standards outside the portfolio (Tables 1–2, pp. 5, 8).
- Lifetime net energy savings for the DSM portfolio total 1,620.838 GWh, with Business Energy Rebates (547.135 GWh), Custom (313.977 GWh), Residential Efficient Product Installation (157.288 GWh), and Instant Savings (179.116 GWh) accounting for approximately 73% of portfolio lifetime savings; the Technical Reference Manual (eTRM) was found not to be used uncritically by Econoler, preserving evaluation independence (SVF-8, Table 3, pp. 10–12).
- The report flags significant evaluation corrections in two BNI programs: for BNI Custom Building Optimization, Econoler reduced net energy savings by ~20% and net demand reduction by ~50% after finding modeling errors in four of six projects reviewed, and overall Custom net peak demand reduction was revised 38% below tracked values (p. 34).
- For the Green Heat program, the verifier added recommendation SVR-5 requiring future evaluations to report on the independence of post-installation inspection, noting that reliance on equipment sellers or installers to self-verify qualifications and installations creates quality assurance risk; Econoler's billing analyses of 170 mini-split heat pump households and 33 air-source heat pump households also revised savings values for those measure types (pp. 28–30).
- Three cross-cutting recommendations were issued: increase process evaluation effort (SVR-2), promote non-lighting measures for the next DSM cycle (SVR-3), and assess health and safety training needs (including mold and fiberglass precautions) for the Home 4 Energy Assessment program (SVR-4, pp. 22–23, 27).
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What was filed
Documents filed on this day
- E-5 Report of H. Gil Peach, BCC