Stargazer BESS (ERCOT-25INR0556) — Project Summary

Queue ID
ERCOT-25INR0556
Capacity
104.5 MW
Technology
Solar+Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Stargazer Solar LLC
IA Status
Facility Study

Stargazer BESS

ERCOT-25INR0556BetaActiveBatteryBatteryERCOTLBNL + Live

104.5 MW generation in Brazoria, TX · In queue since October 2023 · Proposed COD February 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

104.5 MW

Capacity

1

Components

Battery

2y 9m

In Queue

Facility Study

IA Phase

COD target: 2027

Interconnection

Total Duration

3y 4m

Facilities Study50%
Queue EntryOct 30, 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: 2027-02-01

Cross-source intelligence
Beta
Medium confidence·3 sources·as of 2026-06-01
Expected COD
Feb 2027
From queue filing
Developer
Aypa Power
Filed as Stargazer Solar LLC
Status
Active
Active — Facility Study stage, tax abatement secured May 2024
Financing
Unannounced
Key milestones
Permit approvedMay 28, 2024Most recent

Fort Bend County tax abatement agreement executed for Stargazer BESS LLC

source
About

The Stargazer BESS project is a proposed 104.5 MW battery storage project located in Brazoria County, Texas. Developed by Stargazer Solar LLC, the project entered the ERCOT interconnection queue as entry ERCOT-25INR0556 on October 30, 2023. The current interconnection status is listed as Facility Study, with a proposed commercial operation date of February 1, 2027.

The project consists solely of battery storage, with a total capacity of 104.5 MW. The point of interconnection is the 44010 WA Parish - 42980 Nash 138 kV line. The project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

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

Brazoria

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Stargazer Solar LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

44010 WA Parish - 42980 Nash 138 kV

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.

No Ask reports yet for this entity.

Ask about Stargazer BESS
InfraSure platform

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