Longbow BESS
180.8 MW storage in Brazoria, TX · In queue since January 2023 · Proposed COD January 2025
180.8 MW
Capacity
1
Components
Battery
3y 4m
In Queue
IA Executed
IA Status
Signed Jul 2023
Queue → IA
6 months
IA → COD
1y 6m
Total Duration
6 months
Schedule
16 months past proposed COD
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: 2025-01-11
Longbow BESS is a proposed 180.8 MW battery storage project in Brazoria County, Texas. Developed by Longbow BESS, LLC, the project consists entirely of battery technology. It is currently in the ERCOT interconnection queue as entry ERCOT-25INR0328, with a queue entry date of January 23, 2023, and a proposed commercial operation date of January 11, 2025.
The project's Interconnection Agreement (IA) was executed on July 18, 2023. The point of interconnection is the 42875 Danbury 138kV. This development is linked to the existing Longbow BESS, LLC operating plant (EIA plant ID 67083). The Longbow BESS project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Longbow BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
42875 Danbury 138kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- LON_RN1
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.
Last updated 2026-03-26
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