Lavaca Bay Solar
243.46 MW generation in Matagorda, TX · In queue since September 2020 · Proposed COD December 2026
243.46 MW
Capacity
1
Components
Solar
5y 8m
In Queue
IA Executed
IA Status
Signed Jun 2022
Queue → IA
1y 9m
IA → COD
4y 6m
Total Duration
1y 9m
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: 2026-12-31
Lavaca Bay Solar is a proposed 243.46 MW solar generation project located in Matagorda County, Texas. The project, being developed by TC Energy Solar LLC, is interconnected within the ERCOT region under queue ID ERCOT-23INR0084. It entered the interconnection queue on September 11, 2020, and has a proposed commercial operation date of December 31, 2026.
The project's Interconnection Agreement (IA) has been executed as of June 15, 2022. The point of interconnection (POI) is the tap 345 kV REFUGE 42400 - JONES CREEK 47532 ckt 27. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Matagorda
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
TC Energy Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 345 kV REFUGE 42400 - JONES CREEK 47532 ckt 27
Data Source
LBNL + Live
- 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.
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