Crowned Heron BESS
154.2 MW storage in Fort Bend, TX · In queue since July 2022 · Proposed COD June 2026
154.2 MW
Capacity
1
Components
Battery
3y 10m
In Queue
IA Executed
IA Status
Signed Jun 2023
Queue → IA
11 months
IA → COD
3 years
Total Duration
11 months
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: 2026-06-30
The proposed Crowned Heron BESS project is a 154.2 MW battery storage development in Fort Bend County, Texas. The project, being developed by RWE Renewables, is interconnected within the ERCOT region under queue ID ERCOT-24INR0405. It entered the queue on July 18, 2022, and has a proposed commercial operation date of June 30, 2026.
The project's Interconnection Agreement (IA) has been executed as of June 26, 2023. The point of interconnection (POI) is the WA Parish 345 kV Bus #44000. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Fort Bend
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Renewables
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
WA Parish 345 kV Bus #44000
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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