ieso

September 23, 2025
Capital Power has announced commercial operations of its 120MW York battery energy storage system (BESS) and 50MW Goreway BESS projects in Ontario, Canada.
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July 11, 2025
The Ontario Independent Electricity System Operator (IESO) has officially launched its latest procurement scheme.
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June 20, 2025
After initially rejecting a 250MW standalone BESS proposal from Brookfield portfolio company Evolugen, Ottawa City Council has pledged its support for the project.
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April 29, 2025
A handful of successful applicants to Ontario’s largest-ever energy storage procurement are receiving heightened backlash from local opposition over their plans. 
April 2, 2025
Ontario’s electricity system will be able to handle rising demand, thanks in part to new battery energy storage systems (BESS).
January 14, 2025
Developer Boralex and its partner Walpole Island First Nation have announced a CA$172 million (US$119 million) financing for the 80MW/320MWh Tilbury battery energy storage system (BESS).
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July 18, 2024
Toronto, Ontario-headquartered Hydrostor is proposing to deploy one of its advanced compressed air energy storage (A-CAES) facilities in Greater Napanee, Ontario.
May 10, 2024
Ontario’s Independent Electricity System Operator (IESO) has made Canada’s biggest energy storage procurement to date, selecting nearly 1.8GW of projects through a Request for Proposals (RFP).
February 28, 2024
Energy Storage Canada (ESC) is “thrilled” that the Canada Infrastructure Bank’s (CIB’s) investment into a large-scale battery storage portfolio will enable Indigenous communities to hold a stake in it.  
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October 31, 2023
Boralex, EDF and Atura Power have submitted plans for BESS projects to the Town of Greater Napanee, Ontario.

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