Blackland Prairie 3 Energy Storage
102.1 MW hybrid in Travis, TX · In queue since March 2025 · Proposed COD December 2027
102.1 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
COD target: 2027
Total Duration
2y 9m
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: 2027-12-01
The Blackland Prairie 3 Energy Storage project is a proposed 102.1 MW hybrid battery storage project located in Travis County, Texas. The project, developed by Tempus Power Management LLC, is interconnected within the ERCOT region under queue ID ERCOT-27INR0487. The project entered the interconnection queue on March 24, 2025, with a proposed commercial operation date of December 1, 2027.
The project consists of battery energy storage and another unspecified technology. It is currently listed as active in the ERCOT interconnection queue. The point of interconnection is the 9328 Austrop 138kV substation. The project has appeared in recent news coverage regarding energy storage development in Texas.
Generated from interconnection queue and public data sources
State
TX
County
Travis
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Tempus power management LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
9328 Austrop 138kV
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- WEBBER_WS_T1
- POI Substation
- Austrop 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.
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