Mullin Creek 345 kV Substation (ERAS-2025-007)

Mullin Creek 345 kV Substation is a 450.6 MW gas interconnection project in Maryville, Missouri with a current status of active. It is proposed to connect at Mullin Creek 345 kV Substation.

450.6 MWCapacity
ActiveStatus
MOMarket
GasTechnology

Project facts

Canonical nameMullin Creek 345 kV Substation
Queue IDERAS-2025-007
Statusactive
Source statusIA PENDING
MarketMO
TechnologyGas
Capacity450.6 MW
StateMissouri
CountyMaryville
Point of interconnectionMullin Creek 345 kV Substation
Requested (queue) date2025-10-02
Proposed in-service date2030-09-30
Operational date—
Withdrawn date—
Developer—
Utility / transmission ownerWERE

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
2026-10-03operational_date2030-01-01—medium
2026-10-03proposed_online_date—2030-09-30medium
2026-10-03statusoperationalactivehigh
2026-07-31new_project—operationalhigh

Explore related data

Source last checked2026-10-11
Data last materially changed2026-10-11
Page data generated2026-10-11

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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