Northwestern Energy
Organization1,258 catalogued assets · 12 states
Northwestern Energy is an organization in the GridCensus infrastructure catalog, owning or operating 1,258 catalogued assets across 12 states. An organization’s existing footprint — its power assets, fiber, land, and facilities — is a strong signal of where it can expand and which markets it already controls. Every asset below links to its full profile.
Candidate Sites Owned (356)
| Site | Location | DC Readiness | Candidate MW |
|---|---|---|---|
| ALKALI CREEK | Yellowstone County, MT | 77.0/100 | 300 MW |
| UNKNOWN202222 | Gallatin County, MT | 76.4/100 | 100 MW |
| UNKNOWN208526 | Yellowstone County, MT | 76.4/100 | 100 MW |
| BOZEMAN SOUTH | Gallatin County, MT | 76.2/100 | 100 MW |
| UNKNOWN204482 | Yellowstone County, MT | 75.5/100 | 100 MW |
| TAP204488 | Gallatin County, MT | 75.1/100 | 100 MW |
| UNKNOWN204131 | Gallatin County, MT | 74.5/100 | 100 MW |
| TAP208568 | Gallatin County, MT | 74.2/100 | 100 MW |
| UNKNOWN208567 | Gallatin County, MT | 74.2/100 | 100 MW |
| TAP208520 | Yellowstone County, MT | 73.8/100 | 100 MW |
| TAP206867 | Granite County, MT | 72.7/100 | 100 MW |
| UNKNOWN205103 | Silver Bow County, MT | 71.2/100 | 100 MW |
| UTICA JUNCTION | Yankton County, SD | 70.2/100 | 300 MW |
| UNKNOWN204572 | Silver Bow County, MT | 69.6/100 | 100 MW |
| Greenfield (GARRISON - RATTLESNAKE) | Powell County, MT | 69.2/100 | 300 MW |
| UNKNOWN202063 | Silver Bow County, MT | 69.2/100 | 100 MW |
| AMPS | Clark County, ID | 69.1/100 | 300 MW |
| Greenfield (DECKER - UNKNOWN202499) | Sheridan County, WY | 69.1/100 | 300 MW |
| UNKNOWN131121 | Brown County, SD | 69.0/100 | 100 MW |
| UNKNOWN202303 | Madison County, MT | 69.0/100 | 100 MW |
| MITCHELL NORTHWEST | Davison County, SD | 68.5/100 | 100 MW |
| TAP159553 | Day County, SD | 68.3/100 | 100 MW |
| TAP207787 | Mineral County, MT | 68.3/100 | 100 MW |
| Greenfield (THREE RIVERS - UNKNOWN202222) | Gallatin County, MT | 68.2/100 | 100 MW |
| ARMOUR | Douglas County, SD | 68.2/100 | 100 MW |
| UNKNOWN131130 | Brown County, SD | 68.2/100 | 100 MW |
| DEADEND172596 | Bon Homme County, SD | 68.1/100 | 100 MW |
| UNKNOWN131113 | Spink County, SD | 68.1/100 | 100 MW |
| UNKNOWN206177 | Carbon County, MT | 68.1/100 | 100 MW |
| COCHRANE DAM | Cascade County, MT | 68.0/100 | 100 MW |
| UNKNOWN159679 | Day County, SD | 67.9/100 | 100 MW |
| UNKNOWN206865 | Broadwater County, MT | 67.8/100 | 100 MW |
| UNKNOWN204434 | Lewis and Clark County, MT | 67.8/100 | 50 MW |
| Greenfield (UNKNOWN131330 - UTICA JUNCTION) | Yankton County, SD | 67.7/100 | 300 MW |
| UNKNOWN143512 | Day County, SD | 67.6/100 | 100 MW |
| Greenfield (GROTON - WATERTOWN) | Day County, SD | 67.5/100 | 600 MW |
| Greenfield (THREE RIVERS - UNKNOWN202222) | Gallatin County, MT | 67.5/100 | 100 MW |
| TAP159680 | Day County, SD | 67.4/100 | 100 MW |
| TAP159616 | Day County, SD | 67.4/100 | 100 MW |
| Greenfield (UNKNOWN131929 - FORT THOMPSON) | Charles Mix County, SD | 67.0/100 | 600 MW |
| UNKNOWN131247 | Yankton County, SD | 66.8/100 | 100 MW |
| MORONY DAM | Cascade County, MT | 66.8/100 | 100 MW |
| UNKNOWN159689 | Clark County, SD | 66.8/100 | 100 MW |
| DILLON-SALMON | Beaverhead County, MT | 66.7/100 | 100 MW |
| Greenfield (GROTON - WATERTOWN) | Day County, SD | 66.7/100 | 600 MW |
| UNKNOWN131252 | Yankton County, SD | 66.7/100 | 100 MW |
| Greenfield (FORT RANDALL - UTICA JUNCTION) | Bon Homme County, SD | 66.6/100 | 300 MW |
| UNKNOWN131249 | Hutchinson County, SD | 66.6/100 | 100 MW |
| Greenfield (UNKNOWN131929 - FORT THOMPSON) | Charles Mix County, SD | 66.6/100 | 600 MW |
| UNKNOWN159684 | Clark County, SD | 66.6/100 | 100 MW |
Showing 50 of 356 candidate sites where this organization is the catalogued parcel owner.
Transmission Lines (893)
| Line | State | Voltage | Length |
|---|---|---|---|
| Line #200112 | Montana | 500 kV | 115.8 mi |
| Line #200113 | Montana | 500 kV | 112.4 mi |
| Line #202283 | Montana | 230 kV | 93.8 mi |
| Line #201422 | Montana | 230 kV | 60.4 mi |
| Line #201531 | Montana | 230 kV | 0.9 mi |
| Line #201416 | Montana | 230 kV | 78.9 mi |
| Line #201530 | Montana | 230 kV | 0.9 mi |
| Line #206802 | Montana | 230 kV | 0.1 mi |
| Line #201421 | Montana | 230 kV | 28.9 mi |
| Line #201409 | Indiana | 230 kV | 22.9 mi |
| Line #201418 | Montana | 230 kV | 41.6 mi |
| Line #201420 | Montana | 230 kV | 6.6 mi |
| Line #201423 | Montana | 230 kV | 26.5 mi |
| Line #201405 | Montana | 230 kV | 8.9 mi |
| Line #201407 | Montana | 230 kV | 7.8 mi |
| Line #132201 | South Dakota | 230 kV | 0.3 mi |
| Line #201406 | Indiana | 230 kV | 58.0 mi |
| Line #201413 | Montana | 230 kV | 156.4 mi |
| Line #201408 | Indiana | 230 kV | 18.6 mi |
| Line #201412 | Montana | 230 kV | 30.5 mi |
| Line #206806 | Montana | 230 kV | 1.1 mi |
| Line #149631 | South Dakota | 230 kV | 57.4 mi |
| Line #201417 | Montana | 230 kV | 71.7 mi |
| Line #201415 | Montana | 230 kV | 32.6 mi |
| Line #105997 | South Dakota | 230 kV | 49.8 mi |
| Line #135358 | South Dakota | 230 kV | 49.8 mi |
| Line #201628 | Montana | 230 kV | 0.0 mi |
| Line #202255 | Montana | 230 kV | 32.6 mi |
| Line #201403 | Montana | 230 kV | 50.1 mi |
| Line #201404 | Montana | 230 kV | 4.5 mi |
| Line #201419 | Montana | 230 kV | 95.6 mi |
| Line #201399 | Montana | 230 kV | 4.5 mi |
| Line #206100 | Montana | 230 kV | 86.6 mi |
| Line #202353 | Arizona | 230 kV | 92.7 mi |
| Line #138102 | South Dakota | 230 kV | 22.5 mi |
| Line #201400 | Montana | 230 kV | 26.2 mi |
| Line #201402 | Montana | 230 kV | 41.3 mi |
| Line #201401 | Montana | 230 kV | 16.0 mi |
| Line #206892 | Montana | 230 kV | 0.2 mi |
| Line #206101 | Montana | 230 kV | 8.4 mi |
Brownfields (9)
| Site | Location | Former use | Legacy MW |
|---|---|---|---|
| Huron | Huron, SD | gas | 58 MW |
| Future CT | Huron, SD | gas | 56 MW |
| Rainbow (MT) | Great Falls, MT | hydro | 37 MW |
| Hauser | Helena, MT | hydro | 12 MW |
| Madison Dam | Ennis, MT | hydro | 9 MW |
| Highmore | Highmore, SD | oil | 4 MW |
| Redfield | Redfield, SD | gas | 4 MW |
| Mobile Unit | Huron, SD | oil | 4 MW |
| Webster IC | Webster, SD | oil | 2 MW |
Is this your organization?
Claim the Northwestern Energy profile to correct asset details, add capacity and availability, and surface your footprint to site-selection teams using GridCensus.
Dataset updated . Screening estimates derived from public data sources.
Organization records are derived from public infrastructure datasets (EIA, HIFLD, FCC, PNNL, county parcels, PeeringDB) and may be incomplete or lag operational changes. Owner/operator names are normalized for grouping; counts and capacities are catalogued estimates. Confirm ownership and availability directly with the organization.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Northwestern Energy. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.