NorthWestern Energy LLC - (MT)
11 E. Park Street Butte, MT 59701Company Summary Information
NorthWestern Energy LLC - (MT) is ranked #235 out of 4,889 utilities nationwide in terms of total annual net electricity generation, and they are ranked #19 out of 383 utilities in terms of total annual net electricity generation from hydroelectric conventional.
NorthWestern Energy LLC - (MT) generated 1.1 TWh during the 3-month period between September 2023 to December 2023.
According to FERC EQR data, NorthWestern Energy LLC - (MT) had a total of $7.9M in seller transasctions and $14.0M in buyer transasctions in 2024 Q4.
| Company Name | NorthWestern Energy LLC - (MT) |
|---|---|
| Location | 11 E. Park Street Butte, MT 59701 |
| EIA Utility Type | |Investor-Owned Utility |
| EIA Utility Dates | Jan 2001 to Feb 2025 |
| EIA Annual Generation | 3.9 TWh |
| EIA Power Plants | 29 |
| Fuel Types | Hydroelectric Conventional Natural Gas Wind Distillate Fuel Oil |
| Ranked #235 out of 4,889 Utilities Nationwide by Annual Generation | |
| Ranked #19 out of 383 Utilities Nationwide in terms of Hydroelectric Conventional Generation | |
FERC Seller Summary
| Seller Dates Available | Jan 2024 to Apr 2025 |
|---|---|
| Seller Total Transaction Charges | $47.60M |
| Seller Total Transactions | 1,185,820 |
| Seller 2024 Q4 Transaction Charges | $7.89M |
| Seller 2024 Q4 Transactions | 220,653 |
FERC Buyer Summary
| Buyer Dates Available | Jul 2013 to Mar 2025 |
|---|---|
| Buyer Total Transaction Charges | $642.73M |
| Buyer Total Transactions | 73,748 |
| Buyer 2024 Q4 Transaction Charges | $13.97M |
| Buyer 2024 Q4 Transactions | 718 |
Map of NorthWestern Energy LLC - (MT) Locations
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Monthly Electricity Generation by Type
Monthly electricity generation by source as reported by the EIA
Monthly FERC Transaction Charges by Type
Monthly aggregates and sums are derived from FERC Electronic Quarterly Reports (EQR)
Power Plants Operated by NorthWestern Energy LLC - (MT)
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Aberdeen CT | Aberdeen, South Dakota | 44 GWh | Apr 1978 | Nov 2023 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Beethoven Wind | Tripp, South Dakota | 275 GWh | Apr 2015 | Dec 2023 | Wind |
| Black Eagle | Great Falls, Montana | 122 GWh | Aug 1927 | Dec 2023 | Water |
| Bob Glanzer Generating Station | Huron, South Dakota | 96 GWh | Mar 2022 | Dec 2023 | Natural Gas |
| Clark (SD) | Clark, South Dakota | -116 MWh | Dec 1969 | Dec 2023 | |
| Cochrane | Great Falls, Montana | 245 GWh | Jun 1958 | Dec 2023 | Water |
| Dave Gates Generating Station | Anaconda, Montana | 479 GWh | Dec 2010 | Feb 2025 | Natural Gas |
| Faulkton | Faulkton, South Dakota | -139 MWh | Feb 1969 | Dec 2023 | |
| Future CT | Huron, South Dakota | - | - | - | |
| Hauser | Helena, Montana | 143 GWh | Oct 1911 | Dec 2023 | Water |
| Highmore | Highmore, South Dakota | - | Dec 1947 | Jun 2014 | |
| Holter | Wolf Creek, Montana | 282 GWh | Jun 1918 | Dec 2023 | Water |
| Huron | Huron, South Dakota | - | Dec 1960 | Apr 2022 | |
| Lake (WY) | Yellowstone, Wyoming | 252 MWh | Aug 1967 | Dec 2023 | Distillate Fuel Oil |
| Madison Dam | Ennis, Montana | 70 GWh | Aug 1906 | Sep 2023 | Water |
| Milltown | East Missoula, Montana | - | - | Dec 2003 | |
| Mobile Unit | Huron, South Dakota | - | Feb 1991 | Dec 2019 | |
| Morony | Great Falls, Montana | 295 GWh | Dec 1929 | Dec 2023 | Water |
| Mystic | Fishtail, Montana | 62 GWh | Apr 1925 | Dec 2023 | Water |
| Old Faithful | Yellowstone, Wyoming | 249 MWh | Nov 1979 | Dec 2023 | Distillate Fuel Oil |
| Rainbow (MT) | Great Falls, Montana | 395 GWh | Feb 2013 | Dec 2023 | Water |
| Redfield | Redfield, South Dakota | - | Aug 1962 | Jun 2014 | |
| Ryan | Great Falls, Montana | 486 GWh | Jul 1915 | Dec 2023 | Water |
| Spion Kop Wind Farm | Geyser, Montana | 112 GWh | Nov 2012 | Dec 2023 | Wind |
| Thompson Falls | Thompson Falls, Montana | 396 GWh | Jun 1915 | Dec 2023 | Water |
| Two Dot Wind Farm | Two Dot, Montana | 33 GWh | May 2014 | Dec 2023 | Wind |
| Webster IC | Webster, South Dakota | - | - | Jul 2003 | |
| Yankton | Yankton, South Dakota | -280 MWh | Jan 1963 | Dec 2023 | |
| Yellowstone County Generating Station | Laurel, Montana | 149 GWh | - | Feb 2025 | Natural Gas |
Other Companies Listed Alphabetically
A list of companies close to NorthWestern Energy LLC - (MT) when arranged alphabetically. They do not neccessarily have any association with NorthWestern Energy LLC - (MT).
| Company Name | Company Location | EIA Annual Generation | FERC 2024 Q4 Transactions |
|---|---|---|---|
| Northern Water Hydropower Enterprise | Berthoud, CO | 5.1 GWh | - |
| Northfield Community Solar | Scottsdale, AZ | 8.2 GWh | - |
| Northfield Holdco LLC | Princeton, NJ | 7.6 GWh | - |
| Northfield Mountain LLC | Burlington, MA | - | $33.71M |
| Northlake Energy | East Chicago, IN | 702.8 GWh | - |
| Northstar Clean Energy | Jackson, MI | 282.3 GWh | - |
| Northstar MACY's Maryland 2015, LLC | Scottsdale, AZ | 221.0 MWh | - |
| Northwest Community Hospital | Arlington Heights, IL | 579.4 MWh | - |
| Northwest Ohio Wind, LLC | Haviland, OH | 305.3 GWh | $1.56M |
| Northwestern Corporation | Helena, MT | - | $33.60M |
| Northwestern Lake Forest Hospital | Lake Forest, IL | 310.3 MWh | - |
| Norton Powerhouse 2 | Worcester, MA | 33.0 GWh | - |
| Norwest Energy 14, LLC | Asheville, NC | 3.9 GWh | - |
| Norwest Energy 7, LLC | Asheville, NC | 18.6 GWh | - |
| Nostrand Solar, LLC | San Francisco, CA | 3.1 GWh | - |
| Notus Clean Energy LLC | E. Falmouth, MA | 4.5 GWh | - |
| Nova Power, LLC | Houston, TX | -68.5 GWh | $29.54M |
| Novo Biopower LLC | Snowflake, AZ | 190.5 GWh | $3.44M |
| NRG Arthur Kill Operations Inc | Staten Island, NY | 1.7 TWh | - |
| NRG Business Marketing LLC | Princeton, NJ | - | $978.78M |
Top 20 Companies Associated with NorthWestern Energy LLC - (MT)
A list of the top 20 companies associated with NorthWestern Energy LLC - (MT) in terms of total FERC EQR transactions charges. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.
| Company Name | 2024 Q4 Transactions w/ NorthWestern Energy LLC - (MT) |
|---|---|
| Southwest Power Pool, Inc. | $7.89M |
| Judith Gap Energy LLC | $4.25M |
| Stillwater Wind, LLC | $3.21M |
| Basin Creek Equity Partners, L.L.C. | $1.94M |
| South Peak Wind LLC | $1.85M |
| Rolling Thunder I Power Partners, LLC | $1.32M |
| Avista Corporation | $322.13k |
| Puget Sound Energy, Inc. | $247.10k |
| Transalta Energy Marketing Corp. | $210.63k |
| Heartland Generation Ltd. | $189.21k |
| Seattle City Light | $111.71k |
| Conocophillips Company | $84.85k |
| Avangrid Renewables, LLC | $78.48k |
| Dynasty Power Inc. | $52.47k |
| Rainbow Energy Marketing Corporation | $45.60k |
| Idaho Power Company | $33.44k |
| Guzman Energy, LLC | $16.17k |
| Cheyenne Light, Fuel And Power Company | $4.80k |
| The Energy Authority, Inc. | - |
| Bonneville Power Administration | - |
The 20 Most Recent FERC EQR Transactions
Displaying Results 1 to 20 of 1,357,452 ( 0.362s )| Seller Name | Buyer Name | Product | Transaction Group Ref # | Begin Date | End Date | Trade Date | Quantity | Price | Units | Transmission Charge | Transaction Charge | FERC Tariff Ref | Contract Service Agreement | Contract Filing Type | Contract Execution Date | Contract Commencement Date | Contract Termination Date | Timezone | Balancing Authority | Point of Delivery Hub | Class | Term | Increment | Increment Peaking | Filing Type | Broker Exchange |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NorthWestern Energy Public Service Corporation | SOUTHWEST POWER POOL | ENERGY | RTAEN0000000000000325842 | 2025-03-31 23:55 | 2025-04-01 00:00 | 2025-03-31 | 0.264 | $-5.1262 | $/MWH | $0.00 | $1.35 | NWPS Market Based Rate Tariff, 2.0.0 | SA FIRST REVISED 3099 (SPP) | New | 2024-01-01 | 2024-01-01 | CentralDaylight2 | SWPP | WAUE.NWPS.OTE | Firm | ShortTerm | FiveMinute | OffPeak | New | ||
| NorthWestern Energy Public Service Corporation | SOUTHWEST POWER POOL | ENERGY | RTAEN0000000000000325621 | 2025-03-31 23:55 | 2025-04-01 00:00 | 2025-03-31 | 1.349 | $-5.0308 | $/MWH | $0.00 | $-6.79 | NWPS Market Based Rate Tariff, 2.0.0 | SA FIRST REVISED 3099 (SPP) | New | 2024-01-01 | 2024-01-01 | CentralDaylight2 | SWPP | WAUE.NWPS.BEETHOVEN | Firm | ShortTerm | FiveMinute | OffPeak | New | ||
| NorthWestern Energy Public Service Corporation | SOUTHWEST POWER POOL | UPLIFT | RTMWP0000000000003252329 | 2025-03-31 00:00 | 2025-04-01 00:00 | 2025-03-31 | 1 | $469.13 | FLAT RATE | $0.00 | $469.13 | NWPS Market Based Rate Tariff, 2.0.0 | SA FIRST REVISED 3099 (SPP) | New | 2024-01-01 | 2024-01-01 | CentralDaylight2 | SWPP | WAUE.NWPS.GLAN | Firm | ShortTerm | NotApplicableIncrement | NotApplicableIncrementPeaking | New | ||
| The Energy Authority, Inc. | NorthWestern Corporation d/b/a NorthWestern Energy | CAPACITY | 1482223 | 2025-03-31 23:00 | 2025-04-01 00:00 | 2023-11-21 | 20 | $3,000.00 | $/MW-MO | $0.00 | $60,000.00 | NPU | 3684 | New | 2021-01-27 | 2021-01-20 | CentralPrevailing2 | SWPP | SPRM | Firm | ShortTerm | Monthly | OffPeak | New | ||
NorthWestern Energy LLC - (MT) Name and Address Permutations
Due to the nature of the data we have to make some assumptions when determining if two companies are the same. So to be transparent about how we're calculating some of the summary values, here are all the company names and addresses that were combined to create this record. While we try to make sure everything is as accurate as possible we can't guarantee complete accuracy for all records.
| Company Name | Company Address |
|---|---|
| NorthWestern Energy LLC - (MT) | 11 East Park Butte, MT 59701 |
| NorthWestern Energy (MT Hydro) | 11 E. Park Street Butte, MT 59701 |
| NorthWestern Energy (MT wind/thermal) | 40 E Broadway Butte, MT 59701 |
| NorthWestern Energy Public Service Corporation | 208 N Montana Ave Helena, MT 59601 |
| NorthWestern Energy - (SD) | 3010 West 69TH Street Sioux Falls, SD 57108 |