Longfellow BESS I
54.99 MW storage in Pecos, TX · In queue since November 2022 · Proposed COD November 2026
54.99 MW
Capacity
1
Components
Battery
3y 6m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
4 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: 2026-11-30
The Longfellow BESS I project is a proposed 54.99 MW battery storage project located in Pecos County, Texas. The developer is CENTURY GAS PROCESSING, LLC. It is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0453, with a queue entry date of November 7, 2022, and a proposed commercial operation date of November 30, 2026. The project's interconnection agreement status is currently in the Facility Study phase.
The project consists of a single 54.99 MW battery component. The point of interconnection is the 38431 TNCENTRY1_1 138 KV substation. The Longfellow BESS I project has appeared in recent news coverage regarding energy storage development in Texas.
Generated from interconnection queue and public data sources
State
TX
County
Pecos
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
CENTURY GAS PROCESSING, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
38431 TNCENTRY1_1 138 KV
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.
No ask pi reports yet for this entity.
ask pi about Longfellow BESS I
