Maryland data centers map
Maryland has 15 mapped data center buildings, tied for the 25th most of any state. Anne Arundel County, Howard County and Prince George's County tie for the most: 2 each. Businesses pay 14.72¢ per kWh for power, 10% above the US average. Business power use fell 4.1% from 2019 to 2025; the US grew 10.5%.
- 15mapped data center buildings
- 14.72¢per kWh for businesses10% above the US average
About mapped buildings
Buildings and sites that OpenStreetMap volunteers have tagged as data centers. It counts mapped objects, not an official register, so some data centers are not on it yet.
About business power prices
This is the average price businesses paid for power in Maryland in 2025. A kilowatt-hour (kWh) is the power a 1,000-watt heater uses in one hour.
“Businesses” is the commercial group in the US Energy Information Administration's figures: offices, stores and most data centers. Some large data centers buy power as industry instead.
© OpenStreetMap contributors · © OpenMapTiles
AI campuses: Epoch AI, CC BY 4.0 (Nov 7, 2026), changes noted
© OpenStreetMap contributors · Addresses: Photon
Your location stays on your device.
What the marks mean
Operating: a building mapped as a data center in OpenStreetMap, in use today. As of Nov 6, 2026.
Proposed to under construction, paused, withdrawn or canceled: a planned project and the stage in its latest public record. As of Nov 7, 2026.
About the stages: a project moves from Proposed to Rezoning filed, Approved, Permitted and Under construction. Some stop: Paused, Withdrawn or Canceled.
AI campus: a large AI campus that is not running yet. As of Nov 7, 2026.
Campuses and projects not placed at their street address are listed, not mapped.
Each kind of mark is counted on its own, and the counts are never added together.
Which Maryland counties have the most data centers?
Anne Arundel County, Howard County and Prince George's County tie for the most mapped buildings: 2 each. Baltimore County, Frederick County and Montgomery County are next, with 1 each.
Buildings mapped as data centers, per county
- None
- 1
- 2–4
- 5–9
How many in each county?
Which natural risks do these counties face?
About the risk ratings
FEMA's National Risk Index scores each county for each natural hazard from 0 to 100, against every county in the US. The score starts from the expected annual loss: the damage a hazard is likely to cause in an average year. It also weighs how many people could be hurt and how well the area can bounce back.
Ratings run from very low to very high.
“Rate high” means relatively high or very high.
All 7 counties with mapped data centers rate high or very high for at least one natural hazard. Lightning and winter weather are the most common, with 7 each.
What does power cost in Maryland, and how fast is demand growing?
Businesses pay 14.72¢ per kWh, 10% above the US average, and their power use fell 4.1% from 2019 to 2025.
What do businesses pay for power?
14.72¢ per kWh in 2025, the 13th highest of 50 states and DC.
Is Maryland's power demand rising?
About business power use
This is the power sold to businesses each year, the commercial group in the US Energy Information Administration's figures. Most data centers are in it, so a fast rise often means new data centers, but offices and stores count too.
Maryland: 28.89 terawatt-hours (TWh) in 2019, 27.71 TWh in 2025. One TWh is a billion kWh.
No. Business power use fell 4.1% from 2019 to 2025; the US grew 10.5%.
What makes Maryland's power?
About the power mix
This is where the power generated in Maryland came from in 2025: each source's share of what its power plants made, 37.6 terawatt-hours (TWh) in all. Small rooftop solar panels are not counted.
“Other sources” is the agency's catch-all group.
Natural gas made 43% of the power generated in Maryland in 2025; nuclear made 39%.
Also: petroleum 1.0%. Under 1% each: other sources and other biomass.
How much new power is proposed in Maryland?
About proposed power plants
These are new power plants that companies have told the US Energy Information Administration they plan to open from 2026 to 2030. Plans can change or be dropped.
Sizes are net summer capacity: the most power a plant can send to the grid on a hot summer day. Each bar's length is its part of all the proposed power.
Companies have proposed 300 MW of new power plants for 2026 to 2030, all of it solar.
For scale, Maryland's power plants could deliver 12,178 MW on a summer day in 2025.
Which grid serves Maryland, and what are its water and hazard risks?
PJM runs the grid for all of Maryland's power sales. 1 natural hazard rates relatively high for Maryland against other states.
Who runs Maryland's power grid?
About the grid
A grid operator, called an ISO or RTO, runs the high-voltage power lines and the power market for a whole region. The share is how much of the state's 2025 power sales were made inside its area.
Where there is none, each utility runs its own part of the grid.
PJM, for all of 2025 power sales.
How much water do Maryland's power plants use?
About water taken in and used up
Taken in is the water power plants draw from rivers, lakes, wells or the sea to cool. Used up is the part that does not go back: most of it evaporates.
This is the water power plants use, not the water data centers use.
The 8 power plants in Maryland that report their cooling water used up 2.9 billion gallons in 2024, 0.2% of the 1,287 billion they took in.
Which hazards cost Maryland most?
About expected annual loss
FEMA's National Risk Index estimates each natural hazard's expected annual loss: the damage it is likely to cause in an average year. It rates each state against the other states, from very low to very high.
Hazards with the same rating are in the order of FEMA's score. Because each hazard is compared with other states, one can rate higher here and still cost fewer dollars than another.
Not rated: tsunami (insufficient data) and volcanic activity (not applicable).
Winter weather rates highest for Maryland against other states: relatively high for the damage it is likely to cause in an average year.
- Relatively highWinter weather
- Relatively moderateHeat wave, coastal flooding, drought, hurricane, strong wind, lightning, tornado and cold wave
- Relatively lowEarthquake, hail, inland flooding and ice storm
- Very lowLandslide, wildfire and avalanche
Who runs Maryland's data centers?
About this count
Each building counts once, by the operator named in OpenStreetMap. 8 buildings have no operator named.
AiNET and Expedient tie for the most mapped buildings: 2 each.
Which cities outside any county have data centers?
1 city has mapped buildings: City of Baltimore (6).
More about Maryland data centers
Questions about Maryland data centers
How many data centers are in Maryland?
Maryland has 15 data center buildings mapped in OpenStreetMap, tied for the 25th most of any state, as of November 6, 2026. These counts are kept apart.
What county in Maryland has the most data centers?
Anne Arundel County, Howard County and Prince George's County tie for the most: 2 data center buildings each. They are mapped in OpenStreetMap. That is as of November 6, 2026. Baltimore County, Frederick County and Montgomery County are next, with 1 each.
Sources and updates
How this page was made: CamsAhead writes each page type once, then fills it with this place's data from the sources below.
- OpenStreetMap contributors: data center buildings, as of November 6, 2026; Open Database License (ODbL) 1.0, free copy on request.
- U.S. Energy Information Administration (EIA): Form EIA-861 (released Oct 2026) and Form EIA-861 2025 detailed data (released Oct 2026): business power prices and sales by state, grid operators and utilities by county; retrieved October 31, 2026.
- U.S. Energy Information Administration (EIA): Forms EIA-923/906/920 (released Sep 2026): power generated by source, 2025; retrieved October 31, 2026.
- U.S. Energy Information Administration (EIA): Form EIA-860 (released Sep 2026): power plants proposed for 2026 to 2030; retrieved October 31, 2026.
- U.S. Energy Information Administration (EIA): Form EIA-860 (released Sep 2026): power plant capacity by state, 2025; retrieved October 31, 2026.
- U.S. Energy Information Administration (EIA): thermoelectric cooling water data 2024, Forms EIA-860 and EIA-923 (retrieved Oct 2026): power plant cooling water by state.
- FEMA: National Risk Index v1.20 (December 2025), NRI_Table_Counties and NRI_Table_States: natural hazard ratings by county and expected annual loss by state; retrieved October 31, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
CamsAhead's project records cover Prince William County, Virginia, not Maryland.
How CamsAhead counts cameras · Report a problem · Report a camera