Valcrest BESS
154.25 MW hybrid in Galveston, TX · In queue since December 2025 · Proposed COD December 2028
154.25 MW
Capacity
0
Components
5 months
In Queue
—
IA Status
COD target: 2028
Total Duration
3 years
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: 2028-12-31
The Valcrest BESS project is a proposed 154.25 MW hybrid battery energy storage project located in Galveston County, Texas. Developed by Flexen USA LLC, the project entered the ERCOT interconnection queue as ERCOT-28INR0465 on December 17, 2025. The current proposed commercial operation date is December 31, 2028.
The project is currently listed as active in the ERCOT queue. The point of interconnection is tap 138 kV 43500 WEBSTR_B138A - 48403 W_GALV01TP_8. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Galveston
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Flexen USA LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 138 kV 43500 WEBSTR_B138A - 48403 W_GALV01TP_8
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.
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