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 3m
In Queue
IA Executed
IA Status
Signed Oct 2020
Queue → IA
9 months
IA → COD
5y 3m
Total Duration
9 months
Schedule
2 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
State
TX
County
Bastrop
Region
ERCOT
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 9074 Lytton - 9073 Holman
Data Source
LBNL + Live