Canadian Solar Deploys 2 MW/8.25 MWh Grid-Connected BESS in Hokkaido

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Canadian Solar has activated its first Japanese grid-connected battery system, delivering a 2 MW/8.25 MWh BESS adjacent to Sapporo’s Naebo substation under Hokkaido Electric Power’s 2023 leasing initiative. Developed by Canadian Solar Projects K.K., the facility joined final commissioning in December 2025 and will provide grid flexibility via JEPX and EPRX markets.

1. Deployment Details

e-STORAGE delivered a 2 MW, 8.25 MWh grid-connected battery energy storage system in Sapporo City, Hokkaido, adjacent to the Naebo substation. The system, developed by Canadian Solar Projects K.K., was delivered in September 2025 and completed final commissioning in December 2025.

2. Market Participation

The BESS is set to participate in the Japan Electric Power Exchange and Balancing Market, enhancing grid flexibility and renewable integration in Hokkaido. It marks e-STORAGE's first deployment in Japan under the country’s 2023 public land leasing initiative by Hokkaido Electric Power Network Company.

3. Strategic Implications

This milestone underscores Canadian Solar’s commitment to the Japanese energy transition and its expanding energy storage footprint. With long-term maintenance and end-of-life management authorization in hand, Canadian Solar is positioned to pursue further battery projects under Japanese regulations.

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