Eolian begins construction on 1.06GWh Ohio BESS, largest system built in PJM

July 30, 2026

Announced 29 July, the Flint Grid battery energy storage system (BESS) project is located next to New Albany data centre and industrial load and is the first large-scale BESS to qualify for the PJM capacity market. Image: Eolian via YouTube

IPP Eolian has begun construction on Flint Grid, a 200MW/1.06GWh energy storage project in Jersey Township, Licking County, Ohio, US.

Announced 29 July, the Flint Grid battery energy storage system (BESS) project is located next to New Albany data centre and industrial load and is the first large-scale BESS to qualify for the PJM capacity market.

Flint Grid is also the largest BES to clear the 2027/28 Residual Capacity Auction, representing more than 50 percent of all new battery storage capacity in that capacity year.