In this US news roundup, battery energy storage system (BESS) project updates from Spearmint Energy in Texas, Polaris Renewable Energy in Puerto Rico, and Clearway Energy Group in Utah.

A roundup of updates on BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.

The Minnesota Public Utilities Commission (PUC) has approved a site permit for Spearmint Energy’s 150MW/600MWh battery energy storage system (BESS) in Kalmar Township.

Miami, Florida-based developer Spearmint Energy has been given the go-ahead to develop a 300MW/600MWh lithium-ion BESS destined for Texas City in the Lone Star State. 

Battery storage developer and operator Spearmint Energy has secured US$250 million for two battery energy storage system (BESS) projects located in Texas, US, totalling 400MWh.

Plans for a 400MW standalone BESS in Howard County, Indiana, proposed by Spearmint Energy faced a major setback last week.

Three US-based independent power producers (IPPs) are currently seeking permission from the Minnesota PUC to construct new renewable energy facilities incorporating battery storage.

Battery storage developer and operator Spearmint Energy has brought its first major project online in the ERCOT, Texas market.

Battery storage developer and operator Spearmint Energy has closed a US$92 million tax equity investment into a battery storage project in the ERCOT, Texas market.

Developers Spearmint Energy, On.Energy, Nexus Renewables and Granite Source Power have collectively secured US$300 million for US battery storage projects, the bulk by Spearmint.