A roundup of large-scale solar and storage news from across the US, with RWE buying three projects from Galehead Development, Origis Energy securing US$300 million for its pipeline and Appalachian Power launching an RFP for 1.1GW of renewables and storage.

Development of grid-scale battery storage has been halted in Jefferson County, Tennessee, after a ruling by County Commissioners.

The power solutions arm of Mitsubishi Heavy Industries will deploy three co-located battery storage projects for Origis Energy in the Southeast United States.

The US state of Tennessee is set to join the advanced energy storage age with the deployment of a 40MWh stationary grid-connected battery storage plant.

New Mexico and Tennessee have both released plans for new solar, storage and gas infrastructure.