Prospector Energy Storage (ERCOT-26INR0485) — Project Summary

Queue ID
ERCOT-26INR0485
Capacity
204.6 MW
Technology
Battery
Status
active
Location
Howard, TX
Region
ERCOT
Developer
Prospector Storage LLC
IA Status
Facility Study

Prospector Energy Storage

ERCOT-26INR0485BetaActiveBatteryERCOTLBNL + Live

204.6 MW storage in Howard, TX · In queue since August 2024 · Proposed COD September 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

204.6 MW

Capacity

1

Components

Battery

1y 11m

In Queue

Facility Study

IA Phase

COD target: 2026

Interconnection

Total Duration

2y 1m

Facilities Study50%
Queue EntryAug 16, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-09-30

Cross-source intelligence
Beta
Low confidence·3 sources·as of 2026-06-01
Expected COD
2026-09-30
From queue filing
Developer
Prospector Storage LLC
From queue filing
Status
Active
Active — Facility Study phase, no interconnection agreement yet. Third-party analysis suggests 5% build probability.
Financing
Unannounced
Key milestones
IA executedMost recent

No interconnection agreement executed; project in Facility Study phase

source
About

Prospector Energy Storage is a proposed 204.6 MW battery storage project located in Howard County, Texas. The project, developed by Prospector Storage LLC, is interconnected within the ERCOT region under queue ID ERCOT-26INR0485. It entered the interconnection queue on August 16, 2024, and has a proposed commercial operation date of September 30, 2026. The project's interconnection status is currently in the Facility Study phase.

The Prospector Energy Storage project consists of 204.6 MW of battery storage capacity. The project has been the subject of recent news coverage, with three articles categorized under the industry sector.

Generated from interconnection queue and public data sources

Development Risk

Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. 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)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

TX

County

Howard

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Prospector Storage LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Natural Dam 138kV Substation (23836)

Data Source

LBNL + Live

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. 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 — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.

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See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_SOUTH
Hub Confidence
MEDIUM
POI Substation
Sam Dam 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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InfraSure platform

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