Longfellow BESS II
105.75 MW generation in Pecos, TX · In queue since November 2022 · Proposed COD November 2026
105.75 MW
Capacity
1
Components
Battery
3y 8m
In Queue
IA Executed
IA Phase
Signed Apr 2025
Queue → IA
2y 5m
IA → COD
1y 7m
Total Duration
2y 5m
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: 18–30 months
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
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
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
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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