Southeast Oklahoma Pumped Storage
1,232 MW storage in Lamar, TX · In queue since August 2022 · Proposed COD January 2030
1,232 MW
Capacity
1
Components
Other Storage
3y 9m
In Queue
Facility Study
IA Status
COD target: 2030
Total Duration
7y 5m
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: 2030-01-01
The Southeast Oklahoma Pumped Storage project is a proposed 1232 MW battery storage development by Apex Energy Solutions, LLC, located in Lamar County, Texas. The project, identified as ERCOT-30INR0002 in the ERCOT interconnection queue, entered the queue on August 5, 2022, and has a proposed commercial operation date of January 1, 2030. Its interconnection status is currently in the Facility Study phase.
The proposed project consists entirely of "Other Storage" technology. Recent news coverage indicates regulatory interest in the project.
Generated from interconnection queue and public data sources
State
TX
County
Lamar
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Apex Energy Solutions, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1692 Paris Switch 345kV
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.
Last updated 2026-03-26
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