Maximino Road BESS
206 MW hybrid in Comal, TX · In queue since March 2025 · Proposed COD May 2028
206 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
COD target: 2028
Total Duration
3y 2m
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: 2028-05-31
The Maximino Road BESS project is a proposed 206 MW hybrid battery energy storage system in Comal County, Texas. Developed by Horizon Energy Storage Greenfield Project Holdings LLC, the project entered the ERCOT interconnection queue as ERCOT-28INR0346 on March 24, 2025. The current proposed commercial operation date is May 31, 2028, and the point of interconnection is the 7170 BERGHEIM 138kV substation.
The Maximino Road BESS project is listed as an active project in the ERCOT queue. Recent news coverage indicates activity related to deals involving the project.
Generated from interconnection queue and public data sources
State
TX
County
Comal
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Horizon Energy Storage Greenfield Project Holdings LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
7170 BERGHEIM 138kV
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Bergheim 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.
Last updated 2026-03-26
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