Waterloo BESS 1
105.64 MW storage in Bastrop, TX · In queue since May 2023 · Proposed COD December 2027
105.64 MW
Capacity
1
Components
Battery
3 years
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
4y 7m
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: 2027-12-01
The Waterloo BESS 1 project is a proposed 105.64 MW battery storage project located in Bastrop County, Texas. Developed by Waterloo Solar, LLC, the project consists of 105.64 MW of battery capacity. It is currently in the ERCOT interconnection queue as entry ERCOT-25INR0447, with a queue entry date of May 15, 2023, and a proposed commercial operation date of December 1, 2027. The project's interconnection status is currently in the Facility Study phase, and its point of interconnection is Tap 345kV 7040 AUSTROP - 7048 GARFIELD.
Generated from interconnection queue and public data sources
State
TX
County
Bastrop
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Waterloo Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 7040 AUSTROP - 7048 GARFIELD
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- WEBBER_WS_T1
- POI Substation
- Austrop 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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