French-based power supplier ENGIE has signed a deal with green generator Canadian Solar’s e-Storage offshoot to construct two 50MW/100MWh, two-hour duration battery sites in Scotland.

The projects will both be located at greenfield sites, with one situated south of Glasgow at Cathkin, and the second at Broxburn, west of Edinburgh.

Construction is scheduled to begin before March, with both sites expected to be fully operational by April. Grid connection will be through SP Energy Network’s 33kV distribution network.

Both projects will help ENGIE towards its 10GW target of battery storage globally.

Aidan Connolly, head of battery storage UK at ENGIE, stated the utilities company was looking forward to working with Canadian Solar on the construction of the project, having signed two energy performance certificate (EPC) contracts for both 50MW/100MWh sites.

Canadian Solar’s e-Storage – previously CSI storage – is a subsidiary of the company’s manufacturing division. It launched its utility-scale energy storage product, SolBank in September 2022.

Renewable energy investor Copenhagen Infrastructure Partners (CIP), recently confirmed that SolBank will be the technology used for its 500MW/1,000MWh battery energy storage system (BESS) in Scotland.


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