RAYBURN ENERGY STATION II Gas (TEF-Due Diligence)
570 MW generation in Grayson, TX · In queue since January 2025 · Proposed COD February 2028
570 MW
Capacity
0
Components
1y 4m
In Queue
—
IA Status
Signed Dec 2025
Queue → IA
11 months
IA → COD
2y 2m
Total Duration
11 months
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 24–48 months
Proposed COD: 2028-02-26
The Rayburn Energy Station II Gas (TEF-Due Diligence) project is a proposed 570 MW gas-fired generation project located in Grayson County, Texas. The developer is Rayburn Energy Station LLC. This project is in the ERCOT interconnection queue as entry ERCOT-28INR0108, with a queue entry date of January 13, 2025, and a proposed commercial operation date of February 26, 2028. An Interconnection Agreement (IA) was executed on December 22, 2025.
The proposed project is linked to the existing Rayburn Energy Station LLC operating plant (EIA ID 58005).
Generated from interconnection queue and public data sources
State
TX
County
Grayson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rayburn Energy Station LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Double Tap 138 kV Haggerty (12677) - Progress Park (#12678) & Haggerty - Winding Oaks Switch
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- PANDA_S_ST1
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.