PHOTON SOLAR 1 2 SLF

ERCOT-25INR0493BetaActiveSolarERCOTLBNL + Live

235.66 MW generation in Wharton, TX · In queue since September 2024 · Proposed COD May 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

235.66 MW

Capacity

Components

Solar

1y 10m

In Queue

IA Executed

IA Phase

COD target: 2026

Interconnection

Total Duration

1y 8m

Schedule

2 months past proposed COD

Construction75%

Queue EntrySep 2, 2024

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 Agreement

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 12–24 months

Commercial Operation

Proposed COD: 2026-05-11

Cross-source intelligence

Beta

Medium confidence·4 sources·as of 2026-06-01

Expected COD

2026-06-29

Queue date 1–2 years staleQueue: 2026-05-11

Developer

GulfStar Power, LLC

From queue filing

Status

Active

Active — IA Executed, targeting mid-2026 COD with recent schedule adjustment

Financing

Unannounced

Key milestones

IA executed2024

Interconnection Agreement executed with ERCOT

source

COD targetJun 29, 2026Most recent

Proposed completion date updated to June 29, 2025 (likely 2026 based on context)

source

About

The PHOTON SOLAR 1 2 SLF project is a proposed solar generation project located in Wharton County, Texas, within the ERCOT region. Developed by GulfStar Power, LLC, the project has a total capacity of 235.66 MW. It consists entirely of solar photovoltaic generation.

The project is listed in the ERCOT interconnection queue as entry ERCOT-25INR0493, with a queue entry date of September 2, 2024, and a proposed commercial operation date of February 16, 2026. The project's Interconnection Agreement (IA) has been executed as of October 1, 2021.

Generated from interconnection queue and public data sources

ERCOT Queue

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.

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See the full development-risk decomposition for this project.

P(COD by stated date)

Financing close probability

EPC + tax-equity counterparty

Project Details

State

County

Wharton

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

GulfStar Power, LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

44880 Waterh_POI_5 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.

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InfraSure platform

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

PHOTON SOLAR 1 2 SLF (ERCOT-25INR0493) — Project Summary

PHOTON SOLAR 1 2 SLF