Shared participant: Amazon Web ServicesSame market: Texas, United States
All records
Data center siteSite record
AWS–Vistra Comanche Peak Power-Supply Project
Comanche Peak region, Texas, United StatesPreconstruction
Capacity
1,200 MW
Contracted
Lead participant
Amazon Web Services
Developer
Last updated
Aug 27, 2026
Most recent public record update
About AWS–Vistra Comanche Peak Power-Supply Project
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.
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Projects sharing a market, utility, or organization.
Site · Shared context
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Capacity
ContractedOperating capacity—An operating IT-capacity figure has not been publicly disclosed.
Contracted Supply1,200 MWProposal · AWS–Vistra Comanche Peak Power-Supply Project
Contracted Supply1,200 MWActual · AWS–Vistra Comanche Peak Power-Supply Project
Contracted Supply1,200 MW contracted electricity supplyActual · AWS–Vistra Comanche Peak Power-Supply Project
Development
1 phases · 2 milestonesDevelopment programAnnounced Or Preconstruction
AWS–Vistra Comanche Peak Power-Supply Project: Development program.
Feb 26, 2026
AWS–Vistra Comanche Peak Power-Supply Project — Development program
In Progress—
Vistra has contracted to supply Amazon with as much as 1,200 MW from the Comanche Peak nuclear plant under a 20-year agreement.
In ProgressInfrastructure
Utility ServicePlanned Or Represented
1,200 MW
1,200 MW contracted electricity supply
Site FacilityPlanned Or Represented
The figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.
Project map
0 of 1 project point mappedInfrastructure facts
2
Mapped records
1
Capacity figures
1
No map point available
Power & interconnection: 1Site systems: 1
Facts & sources
Published claims and their source links.
Location ContextAWS load associated with Comanche Peak PPA | Somervell County | Texas | United StatesActual
AWS load associated with Comanche Peak PPA | Somervell County | Texas | United States
Lifecycle StatusPreconstructionActual
Preconstruction
Reported Capacity1,200 MWProposal
1,200 MW
Capacity BasisContracted generation supply for AWS load; not current IT capacityActual
Contracted generation supply for AWS load; not current IT capacity
Project IdentityAWS–Vistra Comanche Peak Power-Supply ProjectActual
AWS–Vistra Comanche Peak Power-Supply Project
Lifecycle StatusDevelopment programActual
Development program
LocationComanche Peak region, Somervell County, TX, USActual
Comanche Peak region, Somervell County, TX, US
Participant RolesAmazon Web Services, VistraActual
Amazon Web Services, Vistra
Capacity1,200 MWActual
1,200 MW
Capacity Basis1,200 MW contracted electricity supplyActual
1,200 MW contracted electricity supply
Development ScaleVistra 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 2032Actual
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
InfrastructureThe figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.Actual
The figure is contracted electricity supply, not a current data center IT load or a defined campus capacity.