Longfellow BESS II
105.75 MW storage in Pecos, TX · In queue since November 2022 · Proposed COD November 2026
105.75 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 II project is a proposed 105.75 MW battery storage project located in Pecos County, Texas. The developer is CENTURY GAS PROCESSING, LLC. It is currently in the ERCOT interconnection queue as entry ERCOT-24INR0455, with a queue entry date of November 7, 2022. The proposed commercial operation date is November 30, 2026, and the interconnection agreement status is Facility Study.
The project consists solely of battery storage, with a total capacity of 105.75 MW. The point of interconnection is the 38432 TNCENTRY2_1 138 KV substation. The project is listed as active in the interconnection queue.
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
38432 TNCENTRY2_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.
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