Sowers Storage

ERCOT-22INR0552BetaActiveBatteryERCOTLBNL + Live

203.9 MW storage in Kaufman, TX · In queue since August 2021 · Proposed COD July 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

203.9 MW

Capacity

Components

Battery

4y 11m

In Queue

IA Executed

IA Phase

Signed Apr 2022

Interconnection

Queue → IA

8 months

IA → COD

5y 3m

Total Duration

8 months

Construction75%

Queue EntryAug 18, 2021

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 AgreementApr 22, 2022

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2027-07-01

Cross-source intelligence

Beta

Medium confidence·5 sources·as of 2026-06-01

Expected COD

Jul 2027

Queue: 2027-07-01From queue filing

Developer

Belltown Power

Filed as Sowers Energy Storage LLC

Status

Active

Active — IA executed April 2022, FIS complete, 86% build probability per queue analytics

Financing

Unannounced

Key milestones

IA executedApr 22, 2022

Interconnection Agreement filed with Texas PUC between REC and Belltown Power Texas for Sowers Storage

source

COD targetJul 2027Most recent

Proposed commercial operation date July 2027 per ERCOT queue

source

About

The Sowers Storage project is a proposed 203.9 MW battery energy storage system in Kaufman County, Texas. The project, developed by Sowers Energy Storage LLC, is interconnected within the ERCOT region under queue ID ERCOT-22INR0552. It entered the interconnection queue on August 18, 2021, and has a proposed commercial operation date of July 1, 2027.

The project's Interconnection Agreement (IA) has been executed as of April 22, 2022. The point of interconnection (POI) is the 6894 Rose Hill_RC Sub 138 kV substation. The project has appeared in recent news coverage.

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

Kaufman

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Sowers Energy Storage LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

6894 Rose Hill_RC Sub 138 kV

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.

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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.

Sowers Storage (ERCOT-22INR0552) — Project Summary

Sowers Storage