SPP-ERAS-2025-035
137.96 MW generation in Aberdeen, SD · In queue since October 2025
137.96 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-2025-035 is a proposed 137.96 MW natural gas-fired generation project located in Aberdeen, South Dakota. The project, utilizing thermal combustion turbine technology, is being developed within the Southwest Power Pool (SPP) interconnection queue under the queue ID SPP-ERAS-2025-035. The point of interconnection is the Siebrecht 115 kV Substation.
The project, under consideration by utility NWPS, entered the SPP queue on October 2, 2025. It is currently listed as an active project seeking ER/NR service type.
Generated from interconnection queue and public data sources
State
SD
County
Aberdeen
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
NWPS
Entity
SPP
Service Type
ER/NR
Point of Interconnection
Siebrecht 115 kV Substation
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP North 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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