Calpine Guadalupe Peakers
450 MW generation in Guadalupe, TX · In queue since November 2021 · Proposed COD May 2027
450 MW
Capacity
1
Components
Gas
4y 6m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 6m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-05-23
The Calpine Guadalupe Peakers project is a proposed 450 MW gas-fired generation project located in Guadalupe County, Texas. The developer is Guadalupe Peaking Energy Center, LLC. The project is in the ERCOT interconnection queue as entry ERCOT-24INR0145, with a queue entry date of November 15, 2021, and a proposed commercial operation date of May 23, 2027. Its interconnection status is currently in the Facility Study phase.
The Calpine Guadalupe Peakers project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Guadalupe
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Guadalupe Peaking Energy Center, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
7044 Marion 345kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- GUADG_CC1
- POI Substation
- Marion Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
Last updated 2026-04-09
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