Sherbino II BESS SLF (ERCOT-26INR0296) — Project Summary

Queue ID
ERCOT-26INR0296
Capacity
77.37 MW
Technology
Battery
Status
active
Location
Pecos, TX
Region
ERCOT
Developer
Phoenix Battery Storage, LLC
IA Status
IA Executed

Sherbino II BESS SLF

ERCOT-26INR0296BetaActiveBatteryERCOTLBNL + Live

77.37 MW storage in Pecos, TX · In queue since November 2023 · Proposed COD April 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

77.37 MW

Capacity

1

Components

Battery

2y 8m

In Queue

IA Executed

IA Phase

Signed Aug 2024

Interconnection

Queue → IA

9 months

IA → COD

2y 8m

Total Duration

9 months

Construction75%
Queue EntryNov 30, 2023

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementAug 1, 2024

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2027-04-19

About

The Sherbino II BESS SLF project is a proposed 77.37 MW battery storage project located in Pecos County, Texas. The developer is Phoenix Battery Storage, LLC. The project is interconnected within the ERCOT region under queue ID ERCOT-26INR0296, with a queue entry date of November 30, 2023, and a proposed commercial operation date of February 9, 2027.

The project's Interconnection Agreement (IA) has been executed as of August 1, 2024. The Point of Interconnection (POI) is the 38430 TNMP White baker Switching Station 138kV. The project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

Development Risk

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.

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See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

TX

County

Pecos

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Phoenix Battery Storage, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

38430 TNMP White baker Switching Station 138kV

Data Source

LBNL + Live

Risk Analytics

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.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast
First-year output estimate
Weather + policy scenarios
Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection
First-year DSCR
Financing close risk
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_WEST
Hub Confidence
MEDIUM
Nearest Node (Estimated)
PAVO_ESS_ALL
POI Substation
White Baker Substation

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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Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.