Quinn Energy Storage Center, US Route 65 Corridor, Hampton, Franklin County, IA 50441Quinn Energy Storage LLC
ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
MISO queue planned BESS target commercial operation (Q4 2026).[1]MISO grid-tied development of the Quinn Clean Energy Storage Project in Franklin County, Iowa. Providing 200 MW / 800 MWh of utility-scale four-hour battery storage, the system balances north-central Iowa wind farms and provides rapid voltage support across high-voltage transmission interconnects.
$210M
1.00