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Writer's pictureLeonard Kent

Ontario Government Plans to Build Largest Electricity Battery Storage Project in Canada



The 250-megawatt (MW) storage project will be just one of the incredibly ambitious plans for Ontario. It is being developed in partnership with the Six Nations of the Grand River Development Corporation, Northland Power, NRStor, and Aecon Group


The “Oneida Energy Storage Project” aims to enhance the performance of Ontario's clean power grid by collecting excess electricity during low-demand periods and releasing it back into the grid during peak hours.


This initiative is slated to commence in 2025 and will generate sufficient electricity to serve a city the size of Oshawa during its peak demand. Upon completion in 2025, it will significantly increase Ontario's energy storage capacity from around 225 MW to nearly 475 MW, almost doubling the current resources.


Ontario's electricity grid boasts a surprisingly low carbon footprint, with over 90% emissions-free generation. The implementation of energy storage solutions will enable the preservation of low-carbon baseload sources such as nuclear and hydropower, while also facilitating the integration of variable sources like wind and solar.


"We are pleased to see this project move ahead with the support of the Ontario government. Six Nations of the Grand River Development Corporation’s involvement in The Oneida Energy Storage Project signals the importance of Indigenous participation in clean energy initiatives as we continue to combat climate change. This project will generate employment opportunities and significant revenue for our community, and we look forward to its completion."

- Mark Hill, Elected Chief of Six Nations of the Grand River Development Corporation.


This project is will be a massive milestone for the Province. It is just one of many ambitious plans announced for Canada’s future.


The Canada Infrastructure Bank is committing over $1.5 billion to the Smart Renewables and Electrification Program to modernize and reduce carbon emissions in Canada's energy grid.


The Bank is also allocating $970 million to establish Canada's first grid-level Small Modular Reactor (SMR) at the Darlington site of Ontario Power Generation.


Additionally, the Bank is investing $3.8 billion in Canada's Critical Minerals Strategy to support the nationwide adoption of renewable energy sources.


Furthermore, the Canada Greener Homes Grant Program has been implemented, benefiting over 40,000 households by lowering their energy bills through increased home energy efficiency.

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