Resaca Oasis Storage (ERCOT-27INR0399) — Project Summary

Queue ID
ERCOT-27INR0399
Capacity
200.7 MW
Technology
Battery
Status
active
Location
Cameron, TX
Region
ERCOT
Developer
Resaca Oasis Storage, LLC
IA Status
IA Executed

Resaca Oasis Storage

ERCOT-27INR0399BetaActiveBatteryERCOTLBNL + Live

200.7 MW storage in Cameron, TX · In queue since December 2024 · Proposed COD September 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

200.7 MW

Capacity

1

Components

Battery

1y 7m

In Queue

IA Executed

IA Phase

Signed May 2025

Interconnection

Queue → IA

5 months

IA → COD

2y 4m

Total Duration

5 months

Construction75%
Queue EntryDec 12, 2024

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 AgreementMay 22, 2025

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2027-09-20

Cross-source intelligence
Beta
Low confidence·1 sources·as of 2026-06-01
Expected COD
2027-09-20
From queue filing
Developer
Resaca Oasis Storage, LLC
From queue filing
Status
IA Executed
IA Executed — interconnection agreement signed May 2025, project in pre-construction phase targeting Q3 2027 operation
Financing
Unannounced
Key milestones
IA executedMay 22, 2025

Interconnection Agreement executed with ERCOT

source
COD targetSep 20, 2027Most recent

Proposed commercial operation date per ERCOT queue

source
About

The Resaca Oasis Storage project is a proposed 200.7 MW battery energy storage system located in Cameron County, Texas. The project, developed by Resaca Oasis Storage, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0399, with a queue entry date of December 12, 2024. The proposed commercial operation date is September 20, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.

The point of interconnection for the project is the # 79601 Stillman Substation 138 kV. The development has appeared in recent news coverage regarding energy storage projects in Texas.

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.

Available on the InfraSure platform

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

Cameron

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Resaca Oasis Storage, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

# 79601 Stillman Substation 138 kV

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