Compute Institute
Sign in Join waitlist
Markets Jurisdictions Projects The Register Entities Visuals
Signals Brief Methodology About
Sign in Join waitlist
Ratings for the physical buildout of AI
Projects
AWS Calvert Technology Center (Calvert Cliffs)

AWS Calvert Technology Center (Calvert Cliffs)

Cancelled
Confirmed

Jurisdiction: US — Maryland (BGE / Pepco / Delmarva Power / Potomac Edison — PJM)

1650 Calvert Cliffs Parkway, Lusby, Calvert County, MD — two Constellation-owned parcels (965 + 1,085 acres, I-2 Heavy Industrial) adjacent to the Calvert Cliffs Nuclear Power Plant. Concept site plan filed May 2026; no permits ever issued. WITHDRAWN 2026-08-04 — AWS pulled the application and cancelled the project (Calvert County news release); no data center site applications remain pending countywide.

Capacity
—
GPUs (est.)
—
Capex
—
Announced
—
Target operational
—

Delivery health score

10 /100
10/100

Methodology prs-v0.1 · computed · trigger: scheduled

Schedule

85 /100
85/100

Regulatory

70 /100
70/100

Infrastructure

70 /100
70/100

Capital

40 /100
40/100

Why this score — factor breakdown

Each factor below contributed to the current score. Contributions are rubric weights from methodology prs-v0.1; every factor cites the record it is derived from.

Dimension
Factor
Contribution
Cites
Narrative
Capital baseline 40 AWS Calvert Technology Center (Calvert Cliffs) No committed capital evidenced on any entity role — announcement-only anchor region (§B.2.4).
Infrastructure baseline 70 AWS Calvert Technology Center (Calvert Cliffs) No-adverse-evidence infrastructure baseline (disclosed config, scoring.prs.baselines).
Regulatory baseline 70 AWS Calvert Technology Center (Calvert Cliffs) No-adverse-evidence regulatory baseline (disclosed config, scoring.prs.baselines).
Schedule baseline 80 AWS Calvert Technology Center (Calvert Cliffs) No-adverse-evidence schedule baseline (disclosed config, scoring.prs.baselines).
Schedule milestone achieved +5 Announcement Milestone "Announcement" achieved on/ahead of its first announced date (2026-05-04).
Schedule hard cap -51 AWS Calvert Technology Center (Calvert Cliffs) Hard cap "status_cancelled" (health ≤ 10): project status is cancelled. [binding]

Milestones

  1. Announcement

    Achieved

    Announcement · Actual:

Constraint observations

No active constraint observations recorded against this project.

Entities & roles

Entity
Role
Ownership
Committed capital
Amazon Web Services
Developer
— —
Constellation Energy
Owner
— —

Sources & citations

Every substantive field on this record is backed by a canonical claim from a cited source document, graded on the E1 (strongest) – E5 (weakest) evidence ladder.

  1. E1
    Calvert County Government - AWS Withdraws Calvert Technology Center Application (news release)

    Calvert County Government · Aug 4, 2026 · backs: status

    https://www.calvertcountymd.gov/m/newsflash/Home/Detail/3192

  2. E2
    Southern Maryland Chronicle - Calvert County Receives AWS Data Center Site Plan

    Southern Maryland Chronicle · May 27, 2026 · backs: actual date

    https://southernmarylandchronicle.com/2026/05/27/aws-calvert-technology-center-site-plan-filed/

Signals

Recent ingested source documents linked to this project via extracted claims or triage mentions, newest first.

  1. E1
    Calvert County Government - AWS Withdraws Calvert Technology Center Application (news release)

    · Calvert County Government · relevance 0.70

  2. E2
    Southern Maryland Chronicle - Calvert County Receives AWS Data Center Site Plan

    · Southern Maryland Chronicle · relevance 0.85