Data Centers in Maryland
At least 12 data centers have been tracked across Maryland — the 28th state by data-center buildout in the country by capacity.
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Every one of those 12 data centers draws power and water from the same grid you rely on — reshaping where Maryland rates, land use, and water go, whether or not anyone put it to a vote. Here’s what that means, and what you can do about it.
Statewide, an industry analysis counts about 44 operational and 19 planned or under‑construction data centers in Maryland, plus an estimated $754 million in projected 10‑year tax revenue — the map below shows the 12 we’ve pinned so far, so help us map the rest. Statewide totals: American Edge Project & TECNA, Dec 2025.
On the agenda: Baltimore Public Health & Environment Committee — Data Center (Sep 23)
Wednesday, September 23 — in 12 days · The full record → · Read the agenda ↗
On the agenda: Baltimore Land Use & Transportation Committee — Data Center (Sep 24)
Thursday, September 24 — in 13 days · The full record → · Read the agenda ↗
Every record for this area on the Docket → · nothing is ever deleted.
No new reports near Maryland in the last 30 days — checked hourly, last checked Sep 11, 15:15 UTC. Cameras only get on the map when someone looks: be the one.
What these facilities actually do
Hyperscale data centers aren’t ordinary warehouses. Each one draws megawatts of power and millions of gallons of water, and locks in decades of tax abatements — deals routinely approved with little public scrutiny. Across Maryland, that’s 12 facilities quietly reshaping the grid, water table, and tax base. See how the buildout works and where the power and water go.
How Maryland compares
Maryland ranks #28 of 52 states and territories by tracked data-center capacity — part of a fast-growing national footprint. Nationwide, we have tracked over 2,000 megawatts and counting. Nearby by camera count: Alabama (13), Indiana (15), North Dakota (12), Wisconsin (12).
The latest from Maryland
- Across Chesapeake Bay region, data centers are facing bans, moratoriums
- Amazon changes course on water use for Virginia data center campus
- Officials advise Maryland counties to make a 'wish list' of demands for data center developers
- Moore and Cox differ on data centers at Maryland conference
- Easton, Maryland Council to Weigh 12-Month Pause on Data Center Permits
On camera in Maryland — each opens right here on GridWatch:
All data-center news → · All video & feeds →
What you can do in Maryland
You don’t have to accept it — and you don’t have to be anti-growth to demand accountability. File a public records request to learn a project’s power draw, water use, and abatement terms, speak up at a city-council meeting, and see the full playbook on our Take Action page.
Not sure what one looks like? See photographs of installed cameras before you go looking.
No local chapter in Maryland yet — be the first, and we’ll list you.
Data centers by city in Maryland
We track 11 Maryland cities and towns with tracked data centers — each with its own local report:
Data centers by county in Maryland
7 Maryland counties have at least one reported camera. Tap any county for its full local report.
Counts come from the open-source DeFlock project’s volunteer reports and update as new cameras are mapped. A county not listed has no reported cameras yet — not necessarily none. Spot one? Report it.