Marcus Energy Storage (ERCOT-24INR0570) — Project Summary

Queue ID
ERCOT-24INR0570
Capacity
201.04 MW
Technology
Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Marcus Energy Storage, LLC
IA Status
Facility Study

Marcus Energy Storage

ERCOT-24INR0570BetaActiveBatteryERCOTLBNL + Live

201.04 MW storage in Brazoria, TX · In queue since June 2023 · Proposed COD September 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

201.04 MW

Capacity

1

Components

Battery

3y 1m

In Queue

Facility Study

IA Phase

COD target: 2027

Interconnection

Total Duration

4y 3m

Facilities Study50%
Queue EntryJun 7, 2023

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: 2027-09-01

Cross-source intelligence
Beta
Low confidence·4 sources·as of 2026-06-01
Expected COD
2027-09-01
From queue filing
Developer
Marcus Energy Storage, LLC
From queue filing
Status
Active
Active — in Facility Study phase per LBNL queue, no public announcements of construction or financing activity
Financing
Unannounced
Key milestones
IA executedJun 2023Most recent

Entered ERCOT interconnection queue as 24INR0570, Facility Study phase

source
About

The Marcus Energy Storage project is a proposed 201.04 MW battery storage project located in Brazoria County, Texas. Developed by Marcus Energy Storage, LLC, the project consists of 201.04 MW of battery capacity. It is currently in the ERCOT interconnection queue as entry ERCOT-24INR0570, with a queue entry date of June 7, 2023, and a proposed commercial operation date of September 1, 2027. The project's interconnection agreement status is currently in the Facility Study phase.

The proposed project's point of interconnection is Tap 138kV 39500 West Columbia Main - 110505 Sweeny Co-Gen LP Ckt 1. The Marcus Energy Storage project has been mentioned in recent news coverage.

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

Brazoria

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Marcus Energy Storage, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 138kV 39500 West Columbia Main - 110505 Sweeny Co-Gen LP Ckt 1

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.

Available on the InfraSure platform

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_HOUSTON
Hub Confidence
MEDIUM
Nearest Node (Estimated)
NCO_RN
POI Substation
West Columbia Main 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.

No insights available for this project.

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InfraSure platform

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