Proposed Amazon/AWS data center campus adjacent to Constellation's Calvert Cliffs facility
Calvert County
Summary
State historic preservation findings cited in public comment indicate the proposed data center campus near Lusby will likely adversely affect two National Register-eligible sites: the Parran's Park tobacco barn complex and the Baltimore and Drum Point Railroad bed.
At a glance
- Total mentions
- 5
- Last 30 days
- 0
Last discussed May 20, 2026.
Impact analysis
No direct cost, but a moratorium could shape future tax revenue and land use in the county.
Developers and data center operators would benefit from the project proceeding as proposed.
Historic sites and surrounding ecosystems in Lusby face adverse effects if the campus is built as planned.
Mentions & discussions (5)
Planning Commission Regular Meeting Agenda - May 20, 2026
A caller asked the commission to hold any AWS permit reviews until the Environmental Commission's recommended text amendments reach the Board of County Commissioners on June 2.
Regular Meeting of the Board of County Commissioners - Apr 28, 2026
SMECO was scheduled to brief the Board on how large data center customers could affect the electric grid and ratepayers. State law puts upgrade costs on the developers, not necessarily local households.
Regular Meeting of the Board of County Commissioners - Apr 7, 2026
The county is considering a temporary pause on data center development after Amazon Web Services expressed interest in building on the Constellation Energy property in Lusby. Staff laid out what a legally sound moratorium looks like and asked commissioners to decide on duration, scope, and justification before drafting an ordinance.
Special Meeting of the Board of County Commissioners - Mar 26, 2026
Amazon is evaluating a data center campus next to the Calvert Cliffs nuclear plant — up to eight buildings on already-zoned heavy industrial land, so no rezoning fight. The pitch: no new water demand, no new public utilities, hundreds of high-paying jobs, and tens of millions in new tax revenue. It's still preliminary — no site plans filed, no agreements signed.
Regular Meeting of the Board of County Commissioners - Feb 24, 2026
State historic preservation findings cited in public comment indicate the proposed data center campus near Lusby will likely adversely affect two National Register-eligible sites: the Parran's Park tobacco barn complex and the Baltimore and Drum Point Railroad bed.
Related development
Data Center Campus development (Lusby)
The project would significantly alter historic landscapes and undeveloped forest near the Chesapeake Bay unless redesigned.
Amazon/AWS Data Center Campus (Calvert County)
If built, the project would bring at least 250 permanent jobs at $80k–$100k, thousands of construction jobs, and tens of millions in new tax revenue, using Constellation's existing cooling water rather than new water demand.
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