Nova Scotia’s independent grid operator has opened a technology-neutral call for on-demand capacity, inviting battery storage, pumped hydro, long-duration storage and other projects to bid as the Canadian province prepares to shut its coal plants by 2030.
The Nova Scotia Independent Energy System Operator (IESO Nova Scotia) launched the request for qualifications on Oct. 30. It is open to projects of at least 10 MW in the province, with submissions due by Jan. 30, 2027.
Eligible technologies include battery storage, pumped hydro, long-duration storage, geothermal, biomass, thermal generation, hydrogen combustion, hydrogen fuel cells, small modular reactors and hybrid facilities. The call also includes requirements supporting Mi’kmaw participation and economic development.
“There is no single technology that can meet all of Nova Scotia’s future electricity needs. Different resources contribute in different ways to the grid’s reliability, and they come at different costs,” said Chris Milligan, vice president of planning and procurement at IESO Nova Scotia.
The operator said it has received feedback from more than 20 organizations. The final version of the call clarifies that hybrid projects, such as storage co-located with wind or solar, can take part. It also adjusts scoring to recognize a range of storage durations and broadens the development experience that counts toward qualification. IESO Nova Scotia has not said how much capacity it intends to procure.
Bids will be assessed alongside the operator’s separate gas procurement through energy system modeling to determine the most cost-effective mix. That tender, launched in July as IESO Nova Scotia’s first competitive procurement, seeks up to 600 MW from one or two 300 MW gas-fired plants in Pictou County that must be designed to switch to non-fossil fuels.
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