ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins75% CONFIDENCEOverall confidence: 75%How well the pin's source and references back up its dates.Weighted average of how firmly 3 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 betterin 312 days
Commercial operation projected for September 2027 per Maryland[2] PSC Certificate of Public Convenience and Necessity docket.The Waugh Chapel Battery Energy Storage Project is a 55 MW / 220 MWh utility-scale 4-hour battery energy storage system located adjacent to the Waugh Chapel substation in Anne Arundel County, Maryland. Developed by Baltimore Gas and Electric (BGE) to support Maryland's clean energy storage goals, the facility enhances distribution reliability, manages local peak demand, and provides critical ancillary grid services in the Baltimore-Washington corridor.