Cleanview

Planned battery storage projects in Maryland

Developers have proposed 6 battery storage projects in Maryland with 1.8 GW of capacity, in the grid operators' interconnection queues.

  • Planned6

See operating battery storage projects in Maryland

BaltimoreFrederickHagerstownSalisbury

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

The largest planned battery storage projects in Maryland

Planned, by capacity

#Battery storage projectExpected onlineCapacity
1Fourth Quarter2030500 MW
2Conastone 500 kV2029500 MW
3Conastone 500 kV–500 MW
4Northeast - Riverside 230 kV2025135 MW
5Carville 138 kV IV2023106 MW
6Church 138 kV202450 MW

How Cleanview tracks battery storage projects

Operating battery storage projects come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about battery storage projects in Maryland

How many battery storage projects are planned in Maryland?
Developers have proposed 6 battery storage projects in Maryland with 1.8 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned battery storage project in Maryland?
Fourth Quarter in Montgomery County, Maryland is the largest planned, at 500 MW. It is expected to come online in 2030.
Who is developing battery storage projects in Maryland?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for Maryland

Planned battery storage projects in other states

Explore by grid operator