Summerhill BESS
143 MW hybrid in Taylor, TX · In queue since February 2025 · Proposed COD December 2028
143 MW
Capacity
0
Components
1y 3m
In Queue
—
IA Status
COD target: 2028
Total Duration
3y 10m
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: 2028-12-15
The Summerhill BESS project is a proposed 143 MW hybrid battery energy storage project located in Taylor County, Texas. Developed by Taylor ESS, LLC, the project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as entry 28INR0254 on February 14, 2025. The proposed commercial operation date is December 15, 2028.
The Summerhill BESS project is linked to the existing Summerhill BESS operating plant (EIA ID 68665).
Generated from interconnection queue and public data sources
State
TX
County
Taylor
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Taylor ESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kv 6228 ABNTHWST4A - 6288 MULBERRY4D
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- HIGH
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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