Douie Solar (ERCOT-26INR0098) — Project Summary

Queue ID
ERCOT-26INR0098
Capacity
221.2 MW
Technology
Solar
Status
active
Location
Freestone, TX
Region
ERCOT
Developer
Buffalo Spring Solar LLC
IA Status
Facility Study

Douie Solar

ERCOT-26INR0098BetaActiveSolarERCOTLBNL + Live

221.2 MW generation in Freestone, TX · In queue since May 2023 · Proposed COD April 2028

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

221.2 MW

Capacity

1

Components

Solar

3y 2m

In Queue

Facility Study

IA Phase

COD target: 2028

Interconnection

Total Duration

4y 11m

Facilities Study50%
Queue EntryMay 15, 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: 2028-04-18

Cross-source intelligence
Beta
Medium confidence·4 sources·as of 2026-06-01
Expected COD
Apr 2028
From queue filing
Developer
Electerra
Recent ownership change
Status
Active
Active — Interconnection Agreement executed with Oncor in April 2026, Facility Study complete per queue tracker
Financing
Unannounced
Ownership history
  1. 2026-04·Buffalo Spring Solar LLC→Electerrasource
Key milestones
IA executedApr 9, 2026

Electerra signed Standard Generation Interconnection Agreement with Oncor Electric Delivery for 224.6 MW Douie Solar project

source
COD targetApr 2028Most recent

ERCOT capacity planning chart lists 2028 commercial operation date for 221.2 MW facility

source
About

The Douie Solar project is a proposed 221.2 MW solar generation facility in Freestone County, Texas. Developed by Buffalo Spring Solar LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-26INR0098. The project entered the interconnection queue on May 15, 2023, and has a proposed commercial operation date of April 18, 2028. Its interconnection status is currently in the Facility Study phase.

The proposed project consists of 221.2 MW of solar photovoltaic generation. The point of interconnection is Tap 138 kV 3501 Sea way Teague - 3394 Jewett. The Douie Solar project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

ERCOT Queue
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

Freestone

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Buffalo Spring Solar LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

Tap 138 kV 3501 Sea way Teague - 3394 Jewett

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_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.

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InfraSure platform

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