- Combustion
- Retired
- 10 · 100 · 1,000 MW
Map
- Combustion
- Retired
Walhalla: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Walhalla
Power plant · Coal
Key facts
Power plant · Coalran 14% of 2011 Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2000
- Net generation, 2011
- 2,494 MWh
- Grid
- 4 kV to Otter Tail Power Co (MISO)
- Location
- Pembina County, North Dakota
- Operated by
- Archer Daniels MidlandSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Coal
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Coal source: “Conventional Steam Coal”
- Age
- 26 years since 2000
1 attribute from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Balancing authority code | MISO |
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- April 2012
- Capacity retired
- 2 MW
- Generators retired
- 1
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| GEN1 | Conventional Steam Coal | 2 MW | Retired | April 2012 |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 4 kV
- Transmission or distribution system owner
- Otter Tail Power Co
- Balancing authority
- Midcontinent Independent Transmission System Operator, Inc..
- NERC region
- MRO
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Timeline
- Stated Unit GEN1 scheduled to retire, 2 MW · EIA-860M
- In service · EIA-860M
Sources
3 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory