Sleepy Hollow BESS
123.1 MW storage in Throckmorton, TX · In queue since November 2023 · Proposed COD February 2028
123.1 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 3m
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: 2028-02-22
Sleepy Hollow BESS is a proposed 123.1 MW battery storage project located in Throckmorton County, Texas. The project, developed by Sleepy Hollow BESS, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0327, with a queue entry date of November 30, 2023. The proposed commercial operation date is February 22, 2028, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists of 123.1 MW of battery storage capacity. The point of interconnection is Tap 138 kV 792 Murray - 6169 Paint Creek. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Throckmorton
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Sleepy Hollow BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138 kV 792 Murray - 6169 Paint Creek
Data Source
LBNL + Live
- 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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