SPP-ERAS-2025-027
250 MW storage in Denver City, TX · In queue since October 2025
250 MW
Capacity
0
Components
7 months
In Queue
—
IA Status
Total Duration
7 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-ERAS-2025-027 is a proposed 250 MW battery storage project located in Denver City, Texas. The project is in the Southwest Power Pool (SPP) interconnection queue, with a queue entry date of October 2, 2025. The proposed project is listed as active in the queue and intends to interconnect at the Mahoney 230kV Substation. The utility is Southwestern Public Service (SPS).
The project's service type is listed as ER/NR, indicating it is seeking both Energy Resource and Network Resource interconnection service. The developer is not specified in the available data.
Generated from interconnection queue and public data sources
State
TX
County
Denver City
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
SPS
Entity
SPP
Service Type
ER/NR
Point of Interconnection
Mahoney 230kV Substation
Data Source
Live · SPP
- 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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