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Staff says Grayson Power Plant batteries nearly commissioned; engines entering commercial commissioning
Summary
GWP staff reported battery commissioning is nearly complete and that Wartsila engines are being commissioned to meet emissions and AQMD compliance; full commercial use of batteries and engines will precede winter testing for black‑start capability.
Commissioners received an operational update on the Grayson Power Plant. Staff said commissioning is nearly complete and that "we'll finish commissioning on the batteries" likely the following week; "so we are using the batteries. We are running the engines," the presenter said, adding that engines are being tested to meet emissions limits and AQMD requirements.
Staff explained that final tests such as black‑start capability will be scheduled during a light‑load season to ensure safety and reliability. Commissioners called the progress "good news," and staff described phased commercial operation with additional targeted testing before winter.
