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RWE proposes 300 MW, 4‑hour Dickerson battery project with 2028 operation date
Summary
RWE told the Maryland PSC its 4th 0.25 battery project at the former Dickerson coal plant would be a 300 MW / 4‑hour LFP facility, sited on the former coal pile with PJM interconnection in place and an expected commercial operation date of Oct. 1, 2028; RWE emphasized long‑term lease terms and emergency‑response planning.
RWE Supply & Trading Americas presented a 300 MW, 4‑hour battery energy storage proposal sited at the former Dickerson coal plant and slated to interconnect at the existing 230 kV Dickerson substation.
Nayeli Gutierrez, a development manager for RWE, said the 4th 0.25 project has a fully executed PJM generation interconnection agreement and a 20‑year lease with options for two 10‑year extensions. RWE expects an in‑service commercial operation date of Oct. 1, 2028. The company said the project will provide capacity, energy and ancillary services to the PJM region, participate in capacity and ancillary markets, and primarily charge during low‑demand periods and discharge during peak demand.
Gutierrez also outlined a government and community engagement plan and said RWE included a comprehensive emergency services response plan with multiple engineered safety protections, and coordination with local fire departments, emergency medical providers, Pepco, and the Maryland Department of the Environment.
The presentation emphasized reusing a brownfield former coal‑plant site rather than greenfield rural land and positioned the project as supporting Maryland’s reliability and affordable clean‑energy transition.
