In this Energy-Storage.news roundup,  Hydrostor receives permitting approval for its California project, Hawaiian Electric is set to begin construction on a Maui battery energy storage system (BESS) and Peregrine and Wärtsilä advance construction of a Texas BESS.

Clearway Energy has withdrawn three hybrid solar and storage projects from Hawaiian Electric Co’s (HECO’s) latest renewable energy procurement, citing the investor-owned utility’s (IOU’s) “ongoing financial uncertainty”.

Hawaii’s main utility Hawaiian Electric has entered into contract negotiations with the developers of 15 renewable energy projects, including solar, wind and a combined 2.1GWh of energy storage.

Independent power producer Clearway Energy Group has brought a 36MW solar PV plus 144MWh battery energy storage system project online in O’ahu, Hawaii, delivered by energy technology firm Wärtsilä.

Construction has begun on two large-scale solar projects paired with battery storage in Hawaii from AES Corporation.

Utility Hawaiian Electric has launched a 10-year programme of credits and incentives to its Battery Bonus scheme, which launched last year as a one-time cash incentive for adding battery storage to residential PV systems.

ENGIE will no longer proceed with a grid-scale solar-plus-storage project it was awarded in Hawaii, cancelling its order for 240MWh of battery storage from technology provider New HOrizons Ahead (NHOA). 

Hawaiian Electric has launched a new programme that will pay customers to add battery storage to an existing or new rooftop solar system

Distributed energy resources developer EnSync Energy announced Tuesday that it has reached the threshold of 20 contracted projects in Hawaii.

Hawaiian Electric has teamed with Californian storage company Amber Kinetics on a 4-hour duration flywheel energy storage pilot project in Oahu.