Anne Arundel County, Maryland: Power, Data Centers and the Local Economy
Home to Annapolis, and the communities of Glen Burnie and Parole
Anne Arundel County sits inside the data center build-out. Owners plan to retire 2,144 MW more by 2035, led by Brandon Shores in 2029. The SAVRN Data Center Map lists 9 data centers in Anne Arundel County, 19% of Maryland's total. Anne Arundel County is home to Annapolis, plus the unincorporated communities of Glen Burnie, Parole and Severn. Its power plants have 2,173 MW of capacity, 63% of it coal, the 2nd largest fleet in Maryland. 285 MW has retired here since 2019, including Herbert A Wagner (petroleum, 149 MW, 2025).
Cities and towns in Anne Arundel County
Anne Arundel County is home to Annapolis, plus the unincorporated communities of Glen Burnie, Parole and Severn.
Unincorporated communities (governed by the county): Glen Burnie, Parole, Severn, Annapolis Neck, Arden on the Severn, Arnold, Brooklyn Park, Cape St. Claire, Crofton, Crownsville, Deale, Edgewater, Ferndale, Fort Meade, Friendship, Galesville, Gambrills, Herald Harbor, Jessup, Lake Shore, Linthicum, Maryland City, Mayo, Naval Academy, Odenton, Pasadena, Riva, Riviera Beach, Severna Park, Shady Side.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in Anne Arundel County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Maryland |
|---|---|---|---|---|
| Population (2020 → 2025) | 593,487 | 603,380 | ▲ 1.7% | 4th of 24 by size |
| Total jobs (2019 → 2025) | 274,972 | 293,059 | ▲ 6.6% | 2nd of 24 by growth |
| Average annual pay (2019 → 2025) | $61,260 | $81,944 | ▲ 33.8% | — |
| Construction jobs (2019 → 2025) | 18,783 | 20,185 | ▲ 7.5% | 4th of 15 by growth |
| Electrical contractor jobs (2019 → 2025) | 3,457 | 4,170 | ▲ 20.6% | — |
| Electric utility jobs (2019 → 2025) | 456 | 382 | ▼ 16.2% | — |
| Data processing and hosting jobs (2019 → 2025) | 246 | 467 | ▲ 89.8% | — |
| Unemployment rate (2019 → August 2026) | 3.0% | 3.4% | ▲ 0.4pts | — |
| Generating capacity added since 2019 | — | 13 MW | — | |
| Generating capacity retired since 2019 | — | 285 MW | — |
Construction employs 20,185, up 7.5% since 2019, and construction is 1.3 times as concentrated here as in the U.S. economy. Electrical contractors employ 4,170, up 20.6% since 2019 against up 0.7% statewide, at an average $98,674 a year. Employers here counted 293,059 jobs in 2025, up 6.6% from 2019 (the 2nd fastest growth of 24 Maryland counties). 13 MW of that came online in 2019 or later, mostly solar. Baltimore Gas & Electric Co is the largest utility serving Anne Arundel County. Its residential customers paid an average 17.91¢/kWh in 2024, above the 14.84¢ median for Maryland utilities. Unemployment was 3.4% in August 2026, against 3.0% in 2019. 603,380 people live here, up 1.7% since 2020, 4th of 24 Maryland counties by population.
Who powers Anne Arundel County
Net change in operating capacity since 2019: −272 MW. Colors follow the fuel legend above.
Utilities with service territory in Anne Arundel County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Baltimore Gas & Electric Co | Investor Owned | Bundled | 1,214,100 | 17.91¢ | 21% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 12
| Technology | Capacity | Share |
|---|---|---|
| Coal | 1,370 MW | 63% |
| Petroleum | 774 MW | 36% |
| Solar | 23 MW | 1% |
| Other technologies | 3 MW | 0% |
| Battery storage | 2 MW | 0% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Brandon Shores | Brandon Shores LLC | Coal | 1,370 MW | 1984 |
| Herbert A Wagner | H.A. Wagner LLC | Petroleum | 774 MW | 1966 |
| Annapolis Solar Park, LLC | Novis Renewables, LLC | Solar | 12 MW | 2018 |
| Millersville LFG | LES Operations Services LLC | Other technologies | 3 MW | 2012 |
| Fairhaven | Baltimore Gas & Electric Co | Battery storage | 2 MW | 2024 |
| MD - Ameresco - Glen Burnie ANEM | Glen Burnie Landfill Solar LLC | Solar | 2 MW | 2025 |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| Herbert A Wagner | Petroleum | 149 MW | 2025 |
| Herbert A Wagner | Coal | 136 MW | 2020 |
Scheduled to retire
| Plant | Technology | MW | Year |
|---|---|---|---|
| Brandon Shores | Coal | 1,370 MW | 2029 |
| Herbert A Wagner | Petroleum | 774 MW | 2029 |
The Anne Arundel County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 293,059 | $81,944 | 1.00 |
| Construction | 20,185 | $89,785 | 1.30 |
| Electrical contractors | 4,170 | $98,674 | 1.97 |
| Electric utilities | 382 | $177,678 | 0.48 |
| Data processing and hosting | 467 | $199,446 | 0.51 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in Anne Arundel County
9 data centers in Anne Arundel County are on the SAVRN Data Center Map.
Anne Arundel County and its neighbors
Of the 5 counties that border Anne Arundel County, Prince George's County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Anne Arundel County | 603,380 | ▲ 6.6% | 2,173 MW | — | 9 | — |
| Baltimore (city) | 569,997 | ▲ 1.0% | — | — | 9 | — |
| Baltimore County | 847,650 | ▼ 2.9% | 47 MW | — | 1 | 1 |
| Calvert County | 94,484 | ▼ 0.6% | 1,852 MW | — | — | 1 |
| Howard County | 339,183 | ▼ 0.9% | 47 MW | — | 5 | 2 |
| Prince George's County | 970,374 | ▲ 1.9% | 3,100 MW | 12 MW | 5 | 3 |
More of Maryland
Anne Arundel County, answered from the record
Who provides electricity in Anne Arundel County, Maryland?
1 utility has service territory in Anne Arundel County in the EIA-861 2024 report: Baltimore Gas & Electric Co. The largest, Baltimore Gas & Electric Co, charged residential customers 17.91¢/kWh on average in 2024.
What county is Annapolis, MD in?
Annapolis is in Anne Arundel County, Maryland. About 40,634 people live there (2025 Census estimate).
What power plants are in Anne Arundel County?
12 operating plants with 2,173 MW of capacity. The largest is Brandon Shores (1,370 MW, coal).
Are there data centers in Anne Arundel County?
Yes. The SAVRN Data Center Map lists 9 data centers in Anne Arundel County.
Is Anne Arundel County adding jobs?
Employers counted 293,059 jobs in 2025 against 274,972 in 2019 (+6.6%, BLS QCEW). Construction went from 18,783 to 20,185.
Does Anne Arundel County have a data center moratorium?
No county-level measure is on record for Anne Arundel County. Maryland has 31 local measures statewide, listed on the state page.