Demeter Storage 2
138 MW storage in Caldwell, TX · In queue since October 2024 · Proposed COD June 2029
138 MW
Capacity
1
Components
Battery
1y 7m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
4y 8m
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: 2029-06-01
Demeter Storage 2 is a proposed 138 MW battery storage project located in Caldwell County, Texas. Developed by Demeter Solar, LLC, the project entered the ERCOT interconnection queue as queue ID ERCOT-26INR0523 on October 1, 2024. The current proposed commercial operation date is June 1, 2029, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists entirely of battery storage, with a total capacity of 138 MW. The point of interconnection is Tap 138kV 7224 LULING - 7216 Lockhart. The project is currently listed as active in the ERCOT queue and has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Caldwell
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Demeter Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 7224 LULING - 7216 Lockhart
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Luling Magnolia 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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