Big Watt Power Austin-1
448.98 MW generation in Caldwell, TX · In queue since October 2025 · Proposed COD November 2028
448.98 MW
Capacity
0
Components
7 months
In Queue
—
IA Status
COD target: 2028
Total Duration
3y 1m
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: 2028-11-01
Big Watt Power Austin-1 is a proposed 448.98 MW gas-fired combined-cycle generation project located in Caldwell County, Texas. The project, developed by Big Watt Power Austin-1 LLC, is in the ERCOT interconnection queue as entry ERCOT-29INR0167, with a queue entry date of October 3, 2025. Its proposed commercial operation date is November 1, 2028. The point of interconnection is planned for tapping the 345 kV double circuit line between Zorn (Bus# 7042) and Lytton Springs (Bus# 9074), and between Zorn (Bus# 7042) and Austrop (Bus# 7040).
The project currently has an active status in the interconnection queue and has been mentioned in recent industry news.
Generated from interconnection queue and public data sources
State
TX
County
Caldwell
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Big Watt Power Austin-1 LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tapping the 345 kV Double circuit Line: Zorn (Bus# 7042) - Lytton Springs (Bus# 9074) and Zorn (Bus# 7042) - Austrop (Bus# 7040).
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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.
