Oneida Energy Storage Project

Province: Ontario

City/Region: Nanticoke

Image Credit: Northland Power

NR

Project Rank

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Project End: 2025

Project Type: Transmission

Industry Sector: Energy

Project Amount: $900 million

Date of Completion: 2025

Funding Source: Private/Public

Federal Funding: $$585 million (Canada Infrastructure Bank: $535M/Natural Resources Canada: $50M)

Previous Rankings

202578
202469

About The Project

Oneida Energy Storage Limited Partnership (Oneida LP) executed an agreement with the Independent Electricity System Operator (IESO) for the Oneida Energy Storage Project to deliver a 250 megawatt/1,000 megawatt-hour energy storage facility. The project is the largest of its kind in Canada and amongst the largest in the world. It will provide a gigawatt-hour of much needed capacity to the Ontario grid, while prioritizing local Indigenous partnerships and environmental benefits. The scope of work includes designing the facility, procuring balance of plant facility equipment, installing equipment foundations, electrical houses, battery transformers, switch gears and underground cabling, as well as constructing a high voltage substation, and commissioning and startup activities.

Project Owner: Oneida LP (Consortium: Northland Power; Six Nations of the Grand River Development Corporation; NRStor; Aecon Concessions)

Project/Construction Manager: Engineering, Procurement and Construction (EPC) contract: Aecon

Engineer: CIMA+

Other Key Players: INTECH (risk advisor)

Other Suppliers: Tesla (battery supplier)

Legal: Borden Ladner Gervais (Northland Power); Stikeman Elliott LLP (lender)

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