SPP-GEN-2024-035
270 MW hybrid in Brown, SD · In queue since October 2024 · Proposed COD December 2027
270 MW
Capacity
1
Components
Solar
1y 7m
In Queue
System Impact Study
IA Status
COD target: 2027
Total Duration
3y 2m
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: 2027-12-30
SPP-GEN-2024-035 is a proposed 270 MW hybrid solar and battery project located in Brown County, South Dakota. The project, which consists of 270 MW of solar generation, is in the Southwest Power Pool (SPP) interconnection queue as of October 30, 2024. The proposed commercial operation date is December 30, 2027.
The Balancing Authority is BEPC. The project's interconnection status is currently in the System Impact Study phase. The point of interconnection (POI) is the Groton 345 kV Substation.
Generated from interconnection queue and public data sources
State
SD
County
Brown
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
BEPC
Entity
SPP
Service Type
—
Point of Interconnection
Groton 345 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- SPP
- Trading Hub
- SPP North Hub
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- WAUE.BEPM.GGS1
- POI Substation
- Groton 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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