📣 Report Something
USA › Maryland › Frederick County

Frederick County

4 data center projects we know about. 13 towns, cities, villages and unincorporated areas.

Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

Local votes and rules

🤝 Agreement with the company · Unincorporated Frederick County

County Executive Jessica Fitzwater turned down a $110 million community benefits deal with Catellus, the Quantum Frederick developer, after residents raised concerns. The deal included money for a school, a park, job training and a fire engine.

Sept 14, 2026Source

⏸️ Pause on new data centers · Unincorporated Frederick County

County Executive Jessica Fitzwater ordered the county to stop taking or reviewing applications for new data centers and their substations. It was first set to end Dec. 31, 2026. In September 2026 she extended it to July 1, 2027. Projects approved before June 2025, including the current Quantum Frederick projects, are not affected.

July 1, 2026Source

⚖️ Court case · Unincorporated Frederick County

Residents gathered more than 21,000 signatures to put the data center zone map to a public vote. Data center companies and landowners sued. A circuit judge and then the Maryland Supreme Court ruled the map could not go on the ballot. The court said the map is not a law that can be put to a vote, and the petition was unclear.

June 30, 2026Source

⚖️ Court case · Unincorporated Frederick County

Nearby residents asked a court to review the state air permit for Amazon's diesel backup generators at the Quantum Frederick campus, citing health, noise and air monitoring.

April 24, 2026Source

🗺️ Zoning change · Unincorporated Frederick County

The county council voted 5-2 to approve the map of the data center zone: about 2,600 acres north of Adamstown, around the Quantum Frederick campus and the old Alcoa Eastalco plant. That is over 1,000 acres more than the planning commission suggested.

Dec 23, 2025Source

📜 Data center rules · Unincorporated Frederick County

The county council voted 5-2 for Bill 25-09. It creates a special 'overlay' zone. Data centers and their power substations can only be built on land inside this zone. The zone can cover at most 1% of the county, about 4,200 acres.

Sept 2025Source