The Toronto-Hecate Energy-IESO Energy Storage Procurement Phase 1 is a 13,000kW energy storage project located in Toronto, Ontario, Canada.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2014 and was commissioned in 2016.


The Toronto-Hecate Energy-IESO Energy Storage Procurement Phase 1 was developed by Hecate Energy. The project is owned by Hecate Energy (100%).

The key applications of the project are frequency regulation, load following (tertiary balancing) and voltage support.

Contractors involved

Hecate Energy and Leclanche have delivered the battery energy storage project.

Additional information

The Independent Electricity System Operator in the Canadian province of Ontario plans to install six energy storage systems to stabilize its grid.
Leclanche SA, the Swiss company providing the technology, signed a deal with the grid operator valued at $50 million to $75 million, according to Chief Executive Officer Anil Srivastava. The combined capacity of the six systems will be 53 megawatt hours.
The contract with IESO functions as a power purchase agreement for three years, with electricity distributor Toronto Hydro Corp. taking over the agreement for an additional 12 years.

About Hecate Energy

Hecate Energy, is an energy company specializing in the development of PV solar and battery projects for energy storage. The company is headquartered United States.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.