Dovetail Storage (ERCOT-24INR0098) — Project Summary

Queue ID
ERCOT-24INR0098
Capacity
508.7 MW
Technology
Solar+Battery
Status
active
Location
Jack, TX
Region
ERCOT
Developer
Hecate Energy Dovetail Storage LLC
IA Status
Facility Study

Dovetail Storage

ERCOT-24INR0098BetaActiveBatteryBatteryERCOTLBNL + Live

508.7 MW generation in Jack, TX · In queue since September 2021 · Proposed COD April 2028

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

508.7 MW

Capacity

1

Components

Battery

4y 10m

In Queue

Facility Study

IA Phase

COD target: 2028

Interconnection

Total Duration

6y 7m

Facilities Study50%
Queue EntrySep 28, 2021

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: 2028-04-12

Cross-source intelligence
Beta
Medium confidence·5 sources·as of 2026-06-01
Expected COD
2028-04-12
From queue filing
Developer
Hecate Energy
Filed as Hecate Energy Dovetail Storage LLC
Status
Active
Active — Facility Study stage per LBNL queue; part of multi-project Dovetail campus including Dovetail Solar 2 and 3
Financing
Unannounced
Key milestones
Permit approvedJul 31, 2023Most recent

Jack County tax abatement agreement executed for Hecate Energy Dovetail Storage LLC

source
About

The Dovetail Storage project is a proposed 508.7 MW battery energy storage system in Jack County, Texas. The project, developed by Hecate Energy Dovetail Storage LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0098, with a queue entry date of September 28, 2021. The proposed commercial operation date is April 15, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.

The point of interconnection for the Dovetail Storage project is Tap 345 KV 1421 Willow Creek-60515 Clear Crossing CKT#2. 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

Jack

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Hecate Energy Dovetail Storage LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345 KV 1421 Willow Creek-60515 Clear Crossing CKT#2

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
MEDIUM
Nearest Node (Estimated)
WCPP_CC1
POI Substation
Willow Creek Substation

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.
InfraSure platform

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