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December 5, 2025

Battery Electric Storage

ERCOT
ERCOT Board Approves AS Procurement for 2026
ERCOT’s Board of Directors approved staff’s recommended methodologies for acquiring minimum ancillary service requirements in 2026, despite concerns over conservative operations and target procurement levels.
Corre Energy/Long Duration Energy Storage Council
IESO Ups Capacity Target for Long Lead-Time Resources

IESO has increased the capacity target for its planned solicitation for long lead-time resources, even as it acknowledges questions about the need for the procurement.

Yes Energy
Hudson River Towns on the Frontline of the BESS Battle
Debates over battery energy storage systems are playing out in towns and cities across New York as the state pursues its goal of 6 GW of energy storage by 2030.
EMC Engineering Services
D.C. Circuit Upholds FERC PURPA Decision Without Chevron Deference
The D.C. Circuit Court of Appeals upheld an earlier decision that sided with FERC on a PURPA case without using Chevron deference, agreeing with the commission's statutory interpretation.
Nexamp
Study Details Business Case for BTM and FTM Storage in Mass.
A new study looking at the business case for comparable behind-the-meter and front-of-the-meter battery storage systems in Massachusetts found that FTM storage “significantly outperformed” the BTM systems, despite significant programs and incentives supporting BTM storage in the state.
© RTO Insider 
Clean Energy Sector in Texas Grapples with New Legislation, Large Loads
ERCOT stakeholders at the Infocast Texas Clean Energy Summit discussed tariff trade wars, supply chain issues, data centers and the latest biennial legislative session in Texas that concluded with Senate Bill 6.
NYPA
NYISO Puts Storage as Transmission on Pause
At a recent Budget and Priorities Working Group meeting, NYISO presented its final recommendations for 2026, which will define where the ISO puts its market design resources.
Fluence
Solar and Battery Cheaper than Gas, Jefferies Finds
Investment bank Jefferies’ latest analysis finds the levelized cost of paired solar-plus-battery storage is cheaper than that of gas, saying slow turbine deliveries and inflationary equipment pricing makes the renewable alternative an “attractive” opportunity as data centers drive demand.
BLM California
CAISO Monitor Sees ‘Gaming’ Potential in Battery Storage Bid Cost Recovery

CAISO’s Market Monitor is concerned about potential gaming practices and inefficient bidding behavior in the ISO’s bid cost recovery  process for battery storage resources.

Aurora Energy Research
Report Urges 5-GW Battery Storage Buildout in SPP
A new report urges SPP to accelerate its interconnection process and reform market rules to allow greater buildout of energy storage.

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