NSPI filed responses to EfficiencyOne's six information requests on the 2024 Load Forecast Report, addressing heat pump modeling assumptions, EV managed charging targets, and ZEV adoption scenario selection.

M11689 · Nova Scotia Power Inc. (NSPI) - 2024 Load Forecast Report

AI summary

On Heat Pumps modeling (IR-1, IR-3), NSPI confirmed that all non-electric heat customers in the hybrid category are assumed to retain their backup systems, and that the 2024 forecast eliminates the prior -7°C lockout assumption, instead modeling the heat pump as continuing to supply partial heating below that threshold alongside backup sources.
Regarding the hybrid peak scenario commitment from the 2022 Evergreen IRP (IR-2), NSPI directed parties to CA IR-03 for the status of Action Plan item 4b, and stated that current assumptions align with the Province's 2030 Clean Power Plan load management targets, with no significant forecast impact anticipated.
On Ev Charging Control (IR-4), NSPI reported approximately 1,000 EVs on time-varying pricing rates and only 46 residential participants enrolled in EfficiencyOne's Eco Shift EV telematics program as of Q1 2024, yet the forecast assumes 70% managed charging beginning in 2024 with no phased ramp-up analysis provided.
On ZEV adoption scenario selection (IR-6), NSPI defended use of the Dunsky lower-bound scenario as reflecting existing Nova Scotia conditions — including factors expected to exacerbate the provincial adoption gap — and acknowledged no sensitivity analysis using mid-point or upper-bound scenarios has been performed, noting EV scenario divergence does not begin until 2027–2028.
On Residential Solar Pv Program net metering (IR-5), NSPI confirmed that Figure 27 of the Load Forecast includes commercial/industrial solar net metering projects, with detailed breakdowns by sector deferred to Synapse IR-10 Attachment 1.

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What was filed

Documents filed on this day

N-3 NSPI (EOne) RIR-1 to RIR-6 exhibits