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Why BESS Operators Can’t See Inside Their Own Batteries

In POWER magazine, Chris Pickett explains why the BESS controls stack hides the data operators need, and what an independent data layer changes.

TWAICE / Jun 01, 2026
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A large BESS generates around 50,000 data points per second. By the time that reaches the operator dashboard, it has been filtered down to one estimated state of charge. Usually a wrong one. In his POWER commentary, TWAICE Senior Solutions Engineer Chris Pickett looks at what this means for lean O&M teams: alarms without root causes, warranty disputes fought with limited data, and overbuild that masks underperformance. He also shares how granular data during commissioning at an InterEnergy site traced a performance shortfall to a non-operational module, replaced under warranty before the site went live.

Read the full article at POWER magazine.

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