The Texas Energy and Power Newsletter

The Texas Energy and Power Newsletter

New Solar and Storage Records in Texas: Grid Roundup #69

Battery record set last night, solar record set today; ERCOT projects 84 gigawatt demand the next two days; important issues and upcoming comment and intervention deadlines at the PUC

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Doug Lewin
Jul 29, 2025
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Grid Roundup

In this issue:

  • There are new solar and battery storage records in ERCOT;

  • Gas & coal plant outages up sharply as ERCOT projects ~84 gigawatt peaks the next two days, all-time summer peak demand record threatened; and

  • Multiple comment deadlines upcoming at the PUC on DER interconnection and an intervention deadline in the Oncor rate case.

This post is for paid subscribers to the Newsletter. All of the Grid Roundups. the full archives, select episodes of the Energy Capital Podcast including this one recapping energy in the 89th Texas legislative session with Houston Chronicle energy reporter Claire Hao, special presentations, the Reading and Podcast Picks, and more – are for paid subscribers. If you are already a subscriber, thank you for reading and making this work possible.

Battery and solar records fall in ERCOT

Batteries broke an all-time record last night with nearly 6,300 megawatts, per Grid Status.

It is highly likely that record will not survive the week, and perhaps even the day.

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