SPP-GEN-2022-111
150 MW hybrid in Marion, TX · In queue since February 2023 · Proposed COD September 2026
150 MW
Capacity
1
Components
Solar
3y 3m
In Queue
System Impact Study
IA Status
COD target: 2026
Total Duration
3y 7m
Interconnection request submitted to ISO/RTO
SPP uses the Definitive Interconnection System Impact Study (DISIS) cluster process.
Typical: 36–48 months (improving)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-09-30
SPP-GEN-2022-111 is a proposed 150 MW hybrid solar and battery energy storage project located in Marion County, Texas. The project, which consists of 150 MW of solar capacity, is in the Southwest Power Pool (SPP) interconnection queue as of February 10, 2023. The proposed commercial operation date is September 30, 2026.
The interconnection point for the project is the Wilkes 345 kV Substation. The project's interconnection status is currently in the System Impact Study phase. The interconnecting utility is AEP. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Marion
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
SPP
Service Type
—
Point of Interconnection
Wilkes 345 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- SPP
- Trading Hub
- SPP South Hub
- Hub Confidence
- MEDIUM
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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