Zorro BESS (ERCOT-25INR0384) — Project Summary

Queue ID
ERCOT-25INR0384
Capacity
153.69 MW
Technology
Battery
Status
active
Location
Van Zandt, TX
Region
ERCOT
Developer
ZORRO BESS LLC
IA Status
IA Executed

Zorro BESS

ERCOT-25INR0384BetaActiveBatteryERCOTLBNL + Live

153.69 MW storage in Van Zandt, TX · In queue since March 2023 · Proposed COD August 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

153.69 MW

Capacity

1

Components

Battery

3y 4m

In Queue

IA Executed

IA Phase

Signed Mar 2025

Interconnection

Queue → IA

2 years

IA → COD

1y 5m

Total Duration

2 years

Construction75%
Queue EntryMar 27, 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 AgreementMar 28, 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: 2026-08-31

Cross-source intelligence
Beta
High confidence·7 sources·as of 2026-06-01
Expected COD
Aug 2026
From queue filing
Developer
UR-Silo DevCo LLC
Filed as ZORRO BESS LLC
Status
IA Executed
IA Executed (3/28/2025) — construction estimated to start May 2026 per local community tracking
Financing
Unannounced
Key milestones
IA executedMar 28, 2025

Interconnection Agreement executed between Rayburn and Zorro BESS LLC, filed with Texas PUC

source
GroundbreakingMay 2026

Estimated construction start date per local community tracking

source
COD targetAug 19, 2026Most recent

Activation date updated from 12/31/2025 to 8/19/2026 per ERCOT queue update

source
About

The Zorro BESS project is a proposed 153.69 MW battery storage project located in Van Zandt County, Texas. Developed by UR-Silo DevCo LLC, the project consists entirely of battery storage. It is currently in the ERCOT interconnection queue as entry ERCOT-25INR0384, with a queue entry date of March 27, 2023, and a proposed commercial operation date of August 31, 2026. The project's interconnection status is currently in the Facility Study phase.

The point of interconnection for the Zorro BESS project is the 138 kV Ben Wheeler bus. The project has been mentioned in recent news coverage related to the electric grid.

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

Van Zandt

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

ZORRO BESS LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

138 kV Ben Wheeler (Bus# 6852)

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.