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Datacenter Sites in Anne Arundel County, Maryland

Anne Arundel County has 64 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 3,350 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.

At a glance

Anne Arundel County, Maryland has 64 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the Maryland average of 52.9. It ranks 4th of 24 Maryland counties by number of sites and 7th by average score. The top-scoring site is WAUGH CHAPEL at 67.6/100.

64
Candidate sites
54.9/100
Avg DC Readiness
3,350 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Anne Arundel County

Site-selection context for Anne Arundel County

Yesproperty_tax_credits
Datacenter tax incentive
9.84¢/kWh
Commercial electricity
8.89¢/kWh
Industrial electricity
11
Fiber providers
Low
Water stress
$12,289
Land price / acre
1,300
Cooling degree days
4,400
Heating degree days
55°F
Mean annual temp

Incentive detail: Enterprise Zone property tax credits; personal property tax credits on DC equipment.

How does Anne Arundel County compare with other counties in Maryland?

By number of scored sites, Anne Arundel County ranks 4th of the 24 Maryland counties with a county page, holding 6.2% of the state's 1,031 sites. Its average DC Readiness of 54.9/100 ranks 7th in the state and is roughly in line with the national average of 53.0. Nationally it has the 578th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 27 score 55 or higher.

What types of datacenter sites are in Anne Arundel County?

Federal Excess sites are the most common (21, 33% of the county's inventory), followed by greenfield (20) and substation-adjacent (12). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Anne Arundel County?

Industrial electricity averages 8.89¢/kWh and commercial 9.84¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is low. 11 fiber providers report service in the county. The climate runs 1,300 cooling degree days a year with a mean temperature of 55°F. Land is valued around $12,289 an acre.

By site type

Top datacenter sites in Anne Arundel County

Top datacenter sites in Anne Arundel County
SiteTypeVoltageCapacityQueue waitScore
WAUGH CHAPELSubstation-Adjacent500 kV1,000 MW5.3 yrs67.6
TAP139174Substation-Adjacent230 kV300 MW5.3 yrs63.3
EC Coal Anne Arundel CountyGreenfield——5.3 yrs62.8
EC Near Green MachineGreenfield——5.3 yrs61.4
OZ Anne ArundelGreenfield——5.3 yrs61.0
EC Near Herbert A WagnerGreenfield——5.3 yrs60.9
EC Near Green MachineGreenfield——5.3 yrs60.4
EC Near Herbert A WagnerGreenfield——5.3 yrs60.0
EC Coal Anne Arundel CountyGreenfield——5.3 yrs59.9
UNKNOWN123053Substation-Adjacent115 kV100 MW5.3 yrs59.8
Greenfield (CALVERT CLIFFS - WAUGH CHAPEL)Greenfield500 kV1,000 MW5.3 yrs59.8
EC Coal Anne Arundel CountyGreenfield——5.3 yrs59.4
TAP139158Substation-Adjacent115 kV100 MW5.3 yrs59.1
TAP139166Substation-Adjacent115 kV100 MW5.3 yrs59.0
UNKNOWN123343Substation-Adjacent115 kV100 MW5.3 yrs58.9
UNKNOWN123054Substation-Adjacent115 kV100 MW5.3 yrs58.7
RISER170986Substation-Adjacent115 kV100 MW5.3 yrs58.4
UNKNOWN146585Substation-Adjacent115 kV100 MW5.3 yrs58.4
EC Near Green MachineGreenfield——5.3 yrs58.0
EC Coal Anne Arundel CountyGreenfield——5.3 yrs58.0
TAP139160Substation-Adjacent115 kV100 MW5.3 yrs57.8
EC Near Green MachineGreenfield——5.3 yrs57.6
EC Near Green MachineGreenfield——5.3 yrs57.4
EC Coal Anne Arundel CountyGreenfield——5.3 yrs57.0
EC Near Herbert A WagnerGreenfield——5.3 yrs57.0

Every scored site in Anne Arundel County

All 64 sites, best first.

Anne Arundel County datacenter FAQ

How many datacenter sites are in Anne Arundel County?

64 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the 4th-most of 24 Maryland counties with five or more sites.

What is the highest-scoring datacenter site in Anne Arundel County?

WAUGH CHAPEL scores 67.6/100 DC Readiness, the highest of the 64 scored sites in Anne Arundel County (a substation-adjacent site).

Does Anne Arundel County offer datacenter tax incentives?

Enterprise Zone property tax credits; personal property tax credits on DC equipment.

What is the natural-hazard risk in Anne Arundel County?

FEMA's National Risk Index rates Anne Arundel County as "Relatively Low" (score 22).

What are industrial electricity rates in Anne Arundel County?

Average industrial electricity is 8.89¢/kWh and commercial is 9.84¢/kWh in Anne Arundel County.

More in Maryland

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Anne Arundel County, Maryland”, https://gridcensus.com/datacenter-sites/maryland/anne-arundel-county (data as of November 13, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Anne Arundel County, Maryland is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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