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defects
When quality slips through the cracks: A procurement guide to hidden BESS risks
September 18, 2025
Jeff Zwijack, associate director of energy storage at Clean Energy Associates, writes that BESS projects depend on the reliability of fully integrated systems, not just high-quality battery cells.
Newsletter
Most Popular
Equinor’s East Point Energy begins operations at 200MWh Texas BESS
BESS Industry Buzz: German grid attack, revenue cannibilisation, CATL’s price cut, sodium-ion’s ramp-up and more
Sponsored
BLUETTI Launches New Energy Solutions for Work, Home and Life on the Move at IFA 2026
Google, Tesla, Sunrun, and PG&E partner on new California virtual power plant programme
China’s half-year energy storage deployments post first-ever decline to 22GW/59GWh, while overseas orders surge 83%
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Inertia in Germany is ‘first bankable long-term revenue stream,’ could boost battery storage IRR by 1-2pp
Upcoming Events
Battery & Energy Storage Tech Europe
September 8
- September 9
, 2026
Barcelona, Spain
RE+ Midwest
September 9
- September 10
, 2026
Schaumburg, Illinois
RE+ Centroamérica
September 9
- September 10
, 2026
How a Global IPP Uses Analytics to Find & Act on Hidden BESS Losses
September 10
- September 10
, 2026
EU PVSEC 2026
September 14
- September 18
, 2026
Rotterdam, Netherlands
Battery Asset Management Summit USA
September 15
- September 16
, 2026
San Diego, USA
