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BESS units manufactured by Japanese company PowerX at OLY Powerstorage Midoricho, another project for which electricity market participation is managed by KEPCO subsidiary E-Flow, for customer Olympia. Image: Olympia / PowerX

Japan: Electric utilities KEPCO, Kyuden, make progress in emerging battery storage market

May 12, 2025
Regional electric utility companies in Japan are playing key roles in the delivery of battery energy storage system (BESS) resources.
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Tesla Powerpacks add Japanese trains to Osaka virtual power plant

April 5, 2019
A Tesla Powerpack energy storage system with 7MWh capacity has been deployed for a train company in Japan, adding backup power capabilities to trains and adding the system to an ongoing virtual power plant project.
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Tesla Q3 2026 energy storage revenues fall despite second-highest quarterly deployments

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Enhanced safety and performance, easier assembly: More BESS engineers would use PSA tape if they knew about it

Global energy storage deployments will see 45% year-on-year ‘growth surge’ in 2026: BloombergNEF

European Union battery supply chain policies show mixed results so far  

BESS developers must dig beyond the headline numbers of Malaysia’s solar-storage mandate and corporate PPAs

Upcoming Events

Energy Storage Summit Latin America

October 27
 - October 28
, 2026
Santiago, Chile

Future forward: New ways to improve BESS thermal and dielectric performance

October 27
 - October 27
, 2026
9am PT / 12pm ET

PV ModuleTech Europe 2026

November 3
 - November 4
, 2026
Málaga, Spain

RE+ 26

November 16
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, 2026
Las Vegas, Nevada

The Electric Vehicle Innovation & Excellence Awards

November 18
 - November 18
, 2026
London, UK

Energy Storage Awards

November 19
 - November 19
, 2026
London, UK