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ERCOT

How battery deployment in the Eastern U.S. could scale as in Texas and California

A study led by two energy lawyers documents the causes of “lagging” battery energy storage deployment in the Eastern U.S. and recommends 15 policy solutions that could help scale BESS deployment.

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Battery storage management keeps solar in the energy mix

FlexGen’s Jason Abiecunas describes how BESS is at the heart of reliable new capacity.

ERCOT BESS interconnection applications drop 50% in H2 2025 as faults in the boom emerge

New data out of Modo Energy suggests only about 85% of large batteries with signed interconnection agreements are likely to be built, as queue timelines stretch beyond four years.

U.S. PPA volumes fell 22% in 2025 due to policy shocks

Solar PPA prices rose 8% last year as tax credit uncertainty and FEOC compliance reduced the pool of bankable projects, according to a new report from Pexapark.

What it’s like to build grid-scale batteries in Texas versus California

While both markets face ancillary market saturation, it has very different consequences in CAISO than in ERCOT.

Solar to surge 49% as EIA forecasts 70 GW of new capacity by 2027

Utility-scale solar is set to meet rising data center demand as generation in Texas nearly doubles and battery storage capacity in ERCOT more than triples by 2027.

ERCOT outperformed on interconnection in 2024 likely due to “connect and manage”

More than 25 GW of large-scale generating projects seeking an interconnection agreement in the ERCOT grid region reached that stage in 2024. Berkeley Lab said ERCOT’s “connect and manage” approach “is likely one reason” for the grid operator’s success.

What to know about ERCOT’s new RTC+B program

Under the real-time co-optimization structure, batteries will be recognized as both generators and loads.

Battery energy storage revenues for ancillary services fall nearly 90% in ERCOT

Revenues for ancillary services have fallen 90% since 2023. An Enverus report says market saturation is driving operators to seek other strategies.

Intersolar & Energy Storage North America examines development and risk management in ERCOT

A new playbook for developers and EPCs explores ERCOT’s energy-only market design, examining Texas-specific development challenges and critical success factors.

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