Sequoia II Solar (ERCOT-22INR0262) — Project Summary

Queue ID
ERCOT-22INR0262
Capacity
417.47 MW
Technology
Solar
Status
active
Location
Callahan, TX
Region
ERCOT
Developer
Deville Solar LLC
IA Status
IA Executed

Sequoia II Solar

ERCOT-22INR0262BetaActiveSolarERCOTLBNL + Live

417.47 MW generation in Callahan, TX · In queue since January 2020 · Proposed COD November 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

417.47 MW

Capacity

1

Components

Solar

6y 4m

In Queue

IA Executed

IA Phase

Signed Aug 2023

Interconnection

Queue → IA

3y 7m

IA → COD

3y 3m

Total Duration

3y 7m

Construction75%
Queue EntryJan 22, 2020

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 29, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 12–24 months

Commercial Operation

Proposed COD: 2026-11-21

About

Deville Solar is a proposed solar generation project with a total capacity of 425.02 MW. The project, located in Callahan County, Texas, is being developed by Deville Solar LLC. It consists of 425.02 MW of solar photovoltaic generation.

The project is listed in the ERCOT interconnection queue as entry ERCOT-22INR0262, with a queue entry date of January 22, 2020. Its proposed commercial operation date is November 21, 2026. An Interconnection Agreement (IA) has been executed for the project, with an IA date of August 29, 2023. The Point of Interconnection (POI) is the 68051 Reata 345kV substation.

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

Callahan

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Deville Solar LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

68051 Reata 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 news available for this project.
InfraSure platform

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