Dovetail Storage
508.7 MW storage in Jack, TX · In queue since September 2021 · Proposed COD April 2027
508.7 MW
Capacity
1
Components
Battery
4y 8m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 7m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-04-15
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
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
- 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.
