Canadian Solar secures 487MWh supply deal with Blackstone’s Aypa Power for California project


CSI Energy Storage, part of Canadian Solar, will supply 487MWh of its battery energy storage solution Solbank to developer Aypa Power.

The solution will go towards a battery energy storage system (BESS) project in Los Angeles being developed by Aypa Power, which is part of Blackstone, the largest private equity firm in the world.

The BESS project, called Cald, will be a standalone system and is expected to come online in the first half of 2024.

Aypa turned its first energy storage project online in 2018, when it was called NStor C&I, before being acquired by Blackstone two years later, renamed Aypa Power and pivoted towards the utility-scale segment. The company recently secured a US$320 million line of credit to advance its projects.

CSI launched Solbank, a proprietary designed and manufactured energy storage battery solution, in September 2022. It is targeting a manufacturing capacity of 10GW by the end of 2023, and has deployed around 2.3GWh of BESS projects to date across the UK, US and Canada. Its pipeline as of end-January 2023 stands at nearly 25GWh.

Recent orders include 550MWh for a project in the UK and 2.6GWh for projects developed by UBS Asset Management.

Parent company Canadian Solar is a vertically integrated solar PV company which ranks among the elite ‘Solar Module Super League’ by our sister publication PV Tech.’ publisher Solar Media will host the 5th Energy Storage Summit USA, 28-29 March 2023 in Austin, Texas. Featuring a packed programme of panels, presentations and fireside chats from industry leaders focusing on accelerating the market for energy storage across the country. For more information,go to the website

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