How much data center capacity does Maryland have?

630 MW is operating, with 5.3 GW in the announced and under-construction pipeline. 3 of the 8 Maryland campuses carrying a capacity figure show an estimate rather than a figure a named source states, marked "est." on the site.

What is the largest data center in Maryland?

Quantum Frederick Campus in Adamstown is the largest tracked campus in Maryland at 2.4 GW, developed by Catellus Development Corporation (TPG Real Estate). That capacity is stated by a named source.

Who is building data centers in Maryland?

Developers with a tracked campus in Maryland include Rowan Digital Infrastructure, Constellation, Catellus Development Corporation (TPG Real Estate). Every campus page lists its developer, tenant and the source that names them.

Maryland Data Centers

Live tracking of every data center project in Maryland — operational, under construction, announced, and permitted — with developer, tenant, capacity, and supply-chain links.

Operating: 1
Operating and expanding: 1
Under construction: 3
Announced: 4
Operating capacity: 630 MW
Pipeline capacity: 5.3 GW

Maryland's single tracked row is Constellation's Calvert Cliffs relicensing at Lusby, 1.76 GW of nuclear capacity kept online for data-center demand. No campus-scale build is tracked in the state.

Data Center Index tracks 8 named data center campuses in Maryland (large sites with a source, not every building): 1 operating, 3 under construction, and 4 announced or permitted. The pipeline adds up to 5.3 GW of planned capacity. Below: every tracked project in Maryland, ranked by build status, followed by the public companies whose data center revenue is most exposed to this market.

Tracked data center projects in Maryland

Rowan Bauxite I, II & III (Quantum Frederick) — 630 MW, Adamstown · operational · developer: Rowan Digital Infrastructure
Calvert Cliffs Relicense, Lusby · operational · developer: Constellation
Quantum Frederick Campus — 2.4 GW, Adamstown · under construction · developer: Catellus Development Corporation (TPG Real Estate)
AWS Adamstown (Quantum Frederick) — 300 MW, Adamstown · under construction · developer: Amazon Web Services
Aligned IAD-04 Frederick Campus (Quantum Frederick) — 264 MW, Frederick · under construction · developer: Aligned Data Centers
TeraWulf Chesapeake Data Campus (Morgantown Generating Station) — 1.0 GW, Newburg · announced · developer: TeraWulf
Atmosphere Dickerson Data Center Campus — 360 MW, Dickerson · announced · developer: Atmosphere Data Centers
Security Land and Development Woodlawn Data Center Campus — 150 MW, Woodlawn · announced · developer: Security Land and Development LP
Brightseat Tech Park (Landover Mall site) — 820 MW, Landover · permitted · developer: Lerner Enterprises · ~$5.0B

Frequently asked questions

How many data centers are in Maryland?: Data Center Index tracks 8 named data center campuses in Maryland as of 2026: 1 operating, 3 under construction, and 4 announced or permitted. Coverage is named campuses with a published source, not every building.
How much data center capacity does Maryland have?: 630 MW is operating, with 5.3 GW in the announced and under-construction pipeline. 3 of the 8 Maryland campuses carrying a capacity figure show an estimate rather than a figure a named source states, marked "est." on the site.
What is the largest data center in Maryland?: Quantum Frederick Campus in Adamstown is the largest tracked campus in Maryland at 2.4 GW, developed by Catellus Development Corporation (TPG Real Estate). That capacity is stated by a named source.
Who is building data centers in Maryland?: Developers with a tracked campus in Maryland include Rowan Digital Infrastructure, Constellation, Catellus Development Corporation (TPG Real Estate). Every campus page lists its developer, tenant and the source that names them.

Public companies exposed to Maryland

These public companies have tracked data-center projects in Maryland as developers, tenants, or operators. Use the watchlist to compare them side by side, or click through for capex history and supplier exposure.

Constellation Energy (CEG) — energy · 1 project in Maryland
Emerson Electric (EMR) — power equipment · 1 project in Maryland

Other data center markets

Tracked US markets, ranked by pipeline capacity:

Texas data centers — 55 tracked projects, 63.3 GW pipeline
Utah data centers — 7 tracked projects, 21.1 GW pipeline
Pennsylvania data centers — 16 tracked projects, 15.7 GW pipeline
Ohio data centers — 25 tracked projects, 13.3 GW pipeline
Virginia data centers — 34 tracked projects, 9.8 GW pipeline
Kentucky data centers — 8 tracked projects, 8.9 GW pipeline
Georgia data centers — 26 tracked projects, 8.1 GW pipeline
Wyoming data centers — 7 tracked projects, 6.1 GW pipeline
West Virginia data centers — 4 tracked projects, 6.1 GW pipeline
Florida data centers — 7 tracked projects, 5.9 GW pipeline
Illinois data centers — 13 tracked projects, 5.5 GW pipeline
Indiana data centers — 11 tracked projects, 5.0 GW pipeline
Kansas data centers — 10 tracked projects, 4.5 GW pipeline
Arizona data centers — 24 tracked projects, 4.4 GW pipeline
Oklahoma data centers — 12 tracked projects, 4.2 GW pipeline
North Carolina data centers — 15 tracked projects, 4.1 GW pipeline
Alabama data centers — 9 tracked projects, 3.4 GW pipeline
Nebraska data centers — 7 tracked projects, 3.1 GW pipeline
Louisiana data centers — 8 tracked projects, 3.0 GW pipeline
Michigan data centers — 9 tracked projects, 2.6 GW pipeline
Arkansas data centers — 7 tracked projects, 2.5 GW pipeline
Oregon data centers — 13 tracked projects, 2.5 GW pipeline
New York data centers — 7 tracked projects, 2.3 GW pipeline
South Carolina data centers — 8 tracked projects, 1.9 GW pipeline
Missouri data centers — 6 tracked projects, 1.7 GW pipeline
Nevada data centers — 10 tracked projects, 1.6 GW pipeline
Wisconsin data centers — 4 tracked projects, 1.5 GW pipeline
California data centers — 15 tracked projects, 1.4 GW pipeline
North Dakota data centers — 4 tracked projects, 1.4 GW pipeline
Iowa data centers — 8 tracked projects, 1.4 GW pipeline
Delaware data centers — 1 tracked project, 1.2 GW pipeline
Montana data centers — 2 tracked projects, 1.1 GW pipeline
Washington data centers — 5 tracked projects, 1.0 GW pipeline
Colorado data centers — 4 tracked projects, 800 MW pipeline
Mississippi data centers — 7 tracked projects, 616 MW pipeline
Minnesota data centers — 4 tracked projects, 600 MW pipeline
New Jersey data centers — 3 tracked projects, 550 MW pipeline
South Dakota data centers — 2 tracked projects, 500 MW pipeline
Massachusetts data centers — 1 tracked project, 274 MW pipeline
Idaho data centers — 3 tracked projects, 240 MW pipeline
Tennessee data centers — 7 tracked projects, 110 MW pipeline
Connecticut data centers — 1 tracked project, 100 MW pipeline
New Mexico data centers — 2 tracked projects