Millers Branch Solar I
200 MW generation in Haskell, TX · In queue since December 2019 · Proposed COD December 2025
200 MW
Capacity
1
Components
Solar
6y 5m
In Queue
IA Executed
IA Status
Signed Jun 2021
Queue → IA
1y 6m
IA → COD
4y 6m
Total Duration
1y 6m
Schedule
5 months past proposed COD
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: 12–24 months
Proposed COD: 2025-12-01
Millers Branch Solar I is a proposed 200 MW solar generation project located in Haskell County, Texas. The developer is Miller's Branch Solar, LLC. The project is in the ERCOT interconnection queue as entry ERCOT-22INR0270, with a queue entry date of December 17, 2019, and a proposed commercial operation date of December 1, 2025. The project's Interconnection Agreement (IA) was executed on June 14, 2021.
The Millers Branch Solar I project has been featured in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Haskell
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Miller's Branch Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 60703 Gauss - 60514 Clear Crossing (60712 QUASAR)
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- MEDIUM
- POI Substation
- Gauss 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 2026-03-26
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