Big Star Storage
80 MW storage in Bastrop, TX · In queue since January 2020 · Proposed COD January 2026
80 MW
Capacity
1
Components
Battery
6y 4m
In Queue
IA Executed
IA Status
Signed Oct 2020
Queue → IA
9 months
IA → COD
5y 3m
Total Duration
9 months
Schedule
3 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: 6–18 months
Proposed COD: 2026-01-31
Big Star Storage is a proposed 80 MW battery storage project in Bastrop County, Texas, being developed by RWE Solar Development, LLC. The project is interconnected within the ERCOT queue as entry ERCOT-21INR0469, with a queue entry date of January 2, 2020, and a proposed commercial operation date of January 31, 2026. The project's Interconnection Agreement (IA) was executed on October 2, 2020.
The development has been mentioned in recent news coverage related to grid infrastructure.
Generated from interconnection queue and public data sources
State
TX
County
Bastrop
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 9074 Lytton - 9073 Holman
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Lytton Springs 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.
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