SPP-GEN-2026-SR10
150 MW storage in Spearman, TX · In queue since January 2026
150 MW
Capacity
0
Components
4 months
In Queue
—
IA Status
Total Duration
4 months
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)
Commercial operation date not yet determined
SPP-GEN-2026-SR10 is a proposed 150 MW battery storage project located in Spearman County, Texas. The project is listed in the Southwest Power Pool (SPP) interconnection queue with an entry date of January 14, 2026. The proposed point of interconnection (POI) is the Hitchland 345kV substation. The project's service type is listed as Energy Resource (ER) and its status is active.
The development project is under consideration for interconnection to Southwestern Public Service (SPS), a utility operating within the SPP region. No information is available regarding the developer or a proposed commercial operation date. The project has not appeared in recent news coverage and is not linked to an existing operating plant in the Energy Information Administration (EIA) database.
Generated from interconnection queue and public data sources
State
TX
County
Spearman
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
SPS
Entity
SPP
Service Type
ER
Point of Interconnection
Hitchland 345kV
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP South Hub
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- SPS.GPW1.GREATPLNS
- POI Substation
- Hitchland 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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