Siebrecht 115 kV Substation (ERAS-2025-035)

Siebrecht 115 kV Substation is a 138.0 MW gas interconnection project in Aberdeen, South Dakota with a current status of operational. It is proposed to connect at Siebrecht 115 kV Substation.

138.0 MWCapacity
OperationalStatus
SDMarket
GasTechnology

Project facts

Canonical nameSiebrecht 115 kV Substation
Queue IDERAS-2025-035
Statusoperational
Source statusERAS
MarketSD
TechnologyGas
Capacity138.0 MW
StateSouth Dakota
CountyAberdeen
Point of interconnectionSiebrecht 115 kV Substation
Requested (queue) date2025-10-02
Proposed in-service date
Operational date2029-06-14
Withdrawn date
Developer
Utility / transmission ownerNWPS

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-31new_projectoperationalhigh

Explore related data

Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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