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AWS–Vistra Comanche Peak Power-Supply Project

Comanche Peak region, Texas, United StatesPreconstruction
Evidence
Contracted
1,200 MW
Updated
Oct 28, 2026
Utility
Vistra

Vistra has contracted to supply Amazon with as much as 1,200 MW from the Comanche Peak nuclear plant under a 20-year agreement. Delivery is expected to begin in the fourth quarter of 2027 and ramp through 2032. The figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.

Capacity

Reported capacity

Proposal

1,200 MW

Source

Capacity

Actual

1,200 MW

Source

Capacity basis

Actual

1,200 MW contracted electricity supply

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Development programAnnounced or preconstruction

AWS–Vistra Comanche Peak Power-Supply Project: Development program.

Milestones (2)
AWS–Vistra Comanche Peak Power-Supply Project — Development program

Feb 26, 2026 · Event timing type not established

In progress · Announced

Source not linked
Vistra has contracted to supply Amazon with as much as 1,200 MW from the Comanche Peak nuclear plant under a 20-year agreement.

Date not disclosed · Event timing type not established

In progress · Status changed

Source not linked

Participants

Amazon Web Services

Developer

Sources by role
Developer (1)
Other participants (1)
Vistra

Utility provider

Sources by role
Utility provider (1)

Site & development

Location context

Actual

AWS load associated with Comanche Peak PPA | Somervell County | Texas | United States

Source

Location

Actual

Comanche Peak region, Somervell County, TX, US

Source

Development scale

Actual

Vistra has contracted to supply Amazon with as much as 1,200 MW from the Comanche Peak nuclear plant under a 20-year agreement. Delivery is expected to begin in the fourth quarter of 2027 and ramp through 2032

Source

Additional project facts

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

Contracted generation supply for AWS load; not current IT capacity

Source

Project identity

Actual

AWS–Vistra Comanche Peak Power-Supply Project

Source

Lifecycle status

Actual

Development program

Source

Participant roles

Actual

Amazon Web Services, Vistra

Source

Infrastructure

Actual

The figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.

Source

Infrastructure & permits

Technical details (2)
Utility service

Planned or represented

1,200 MW

1,200 MW contracted electricity supply

Site facility

Planned or represented

The figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.

Public-source research. Plans may change. See Evidence for sources and qualifications.

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