Nova Scotia Power filed its 2010 Ten Year System Outlook covering load forecasts, DSM projections, generation resources, and transmission planning for 2010–2019.

M03347 · P-194 - NSPI - 10 Year System Outlook 2010-2019 - June 30, 2010

AI summary

NSPI projects net system energy requirements declining an average of 0.8% annually over the outlook period (from ~12,397 GWh in 2010F to ~11,394 GWh in 2020F) driven by Demand Side Management programs, which are forecast to deliver cumulative savings of 520 MW and 2,499 GWh by 2020 (Table 3); without DSM, load would grow ~1.1% annually.
The Integrated Resource Plan 2009 Update forms the baseline for capacity planning; total firm supply and DSM additions over the period are projected at 593.9 MW, maintaining a planning reserve margin rising from 24% in 2010/11 to 39% by 2019/20 against the required 20% NPCC threshold (Table 8).
NSPI's interconnection queue as of June 23, 2010 contains 1,382 MW of proposed projects at various study stages, including 165 MW of wind committed under the Comfit-adjacent Renewable Energy Standards for 2011 and a 60 MW biomass project at Port Hawkesbury pending UARB approval (Tables 6–7); the Province's April 2010 Renewable Energy Electricity Plan legislates 25% renewables by 2015 and 40% by 2020.
Transmission development plans through 2018 include substation upgrades, insulator and protection-system replacements, new 138 kV circuits in the Western Valley and Eastern Passage areas, and commencement of right-of-way acquisition for a second 345 kV inter-tie to New Brunswick estimated at ~$200 million and at least five years to complete (Sections 7.5, 8.0).
Appendix B presents preliminary scenario planning for transmission reinforcements required under multiple generation futures—including Cape Breton wind (150–250 MW), a Newfoundland submarine DC cable import (300 MW), and large natural gas generator additions (250–350 MW)—acknowledging that specific designs depend on generation location and scope still to be determined.

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What was filed

Documents filed on this day

N-1 10 Year System Outlook 2010-2010 Report dated June 30, 2010 6/30/2010 exhibits