Amazon data center campus at Calvert Cliffs nuclear plant
Also called: AWS Calvert Cliffs
Amazon planned 2.4 million sq ft of data centers next to the Calvert Cliffs nuclear plant in Lusby. After strong local pushback, Amazon dropped the plan in August 2026.
Where things stand: Amazon withdrew its plan in early August 2026. It could apply again.
🕒 Latest update (Aug 18, 2026): County commissioners passed a six-month pause on new data center applications.
What we know
- 📍 WhereCalvert Cliffs nuclear plant campus, Lusby, Unincorporated Calvert County, Calvert County
- 🏢 CompanyAmazon Web Services
- 🏛️ Owned byAmazon
- 👤 Built forAmazon
- 🔌 Where the power comes fromNext to the Calvert Cliffs nuclear plant (Constellation).
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- Will Amazon apply again after the county's pause ends? 🙋 I'll find out
What happened so far
- May 2026Amazon submitted plans for 2.4 million sq ft of data centers at the nuclear plant.
- June 23, 2026In the primary election, three county commissioners lost after voters pushed back on data centers.
- Aug 4, 2026County announced Amazon had dropped its plan.
- Aug 18, 2026County commissioners passed a six-month pause on new data center applications.
Local votes and rules
⏸️ Pause on new data centers
County commissioners voted unanimously for a six-month pause on new data center development while the county reviews its rules. It came days after Amazon dropped plans for data centers at the Calvert Cliffs nuclear plant.
✋ Turned down
Commissioners voted 2-3 against drafting a two-year data center pause. In a separate 3-0 vote (two abstained), they told staff to draft zoning changes to remove data centers from light industrial and mixed-use zones.
An aerial photo of the area.
Where this comes from
- Amazon abandons plans for data center campus at Md.'s Calvert Cliffs nuclear plant · Maryland Matters via WTOP · Aug 4, 2026
- Calvert County Commissioners unanimously pass 6-month data center moratorium · FOX 5 DC · Aug 18, 2026
- Maryland data center FAQ · The Banner · Aug 25, 2026
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