Operation Sunshine (ERCOT-26INR0255) — Project Summary

Queue ID
ERCOT-26INR0255
Capacity
603.2 MW
Technology
Solar+Battery
Status
active
Location
Concho, TX
Region
ERCOT
Developer
Duck Creek Solar, LLC
IA Status
IA Executed

Operation Sunshine

ERCOT-26INR0255BetaActiveSolarBatteryERCOTLBNL + Live

603.2 MW hybrid in Concho, TX · In queue since November 2023 · Proposed COD March 2028

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

603.2 MW

Capacity

1

Components

Solar

2y 8m

In Queue

IA Executed

IA Phase

Signed Aug 2025

Interconnection

Queue → IA

1y 9m

IA → COD

2y 7m

Total Duration

1y 9m

Construction75%
Queue EntryNov 14, 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 27, 2025

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2028-03-12

Cross-source intelligence
Beta
Low confidence·3 sources·as of 2026-06-01
Expected COD
Mar 2028
From queue filing
Developer
Duck Creek Solar, LLC
From queue filing
Status
Active
Active — IA executed Aug 2025, targeting March 2028 COD per ERCOT MORA
Financing
Unannounced
Key milestones
IA executedAug 27, 2025

Interconnection Agreement executed with ERCOT

source
COD targetMar 2028Most recent

Expected commercial operation date per ERCOT MORA report

source
About

Operation Sunshine is a proposed 602.1 MW solar generation project located in Concho County, Texas. The project, developed by Duck Creek Solar, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0255, with a queue entry date of November 14, 2023. The proposed commercial operation date is March 12, 2028, and the project's interconnection agreement status is currently in the Facility Study phase.

The proposed project consists of 602.1 MW of solar generation capacity. Operation Sunshine has been the subject of recent news coverage, with three articles categorized as industry news.

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

Concho

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Duck Creek Solar, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

7077 Amos Creek 345kV

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.

No insights available for this project.
InfraSure platform

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