Yellowtail

n/a, Hardin, MT 59034

Plant Summary Information

Yellowtail is ranked #50 out of 1,331 hydroelectric power plants nationwide in terms of total annual net electricity generation.

Yellowtail is comprised of 4 generators and generated 149.7 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Yellowtail
Utility Name	U S Bureau of Reclamation
Location	Big Horn County, MT
Initial Operation Date	August 1966
Last Update	Dec 2024
Annual Generation	798.4 GWh
Annual Consumption	3.0 M MMBtu
Ranked #890 out of 12,613 Power Plants Nationwide
Ranked #50 out of 1,331 Water Power Plants Nationwide
Ranked #7 out of 71 Montana Power Plants
Ranked #4 out of 23 Montana Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Yellowtail (2204)
Plant Address	, Hardin, MT 59034
Utility	U S Bureau of Reclamation (2518)
Latitude, Longitude	45.30741, -107.95752
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	August 1966
Annual Generation	798.4 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	WECC
Balancing Authority	Western Area Power Administration UGP West (WAUW)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Bighorn River
Ash Impoundment	No
Transmission / Distribution Owner	WAPA-- Western Area Power Administration (27000) MT
Grid Voltage	230.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	62.5 MW
Nameplate Power Factor	0.95
Summer Capacity	71.9 MW
Winter Capacity	71.9 MW
Minimum Load	21.6 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	October 1966
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	71.9 MW
Nameplate Power Factor	0.95
Summer Capacity	71.9 MW
Winter Capacity	71.9 MW
Minimum Load	21.6 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	November 1966
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	71.9 MW
Nameplate Power Factor	0.95
Summer Capacity	71.9 MW
Winter Capacity	71.9 MW
Minimum Load	21.6 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1966
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	71.9 MW
Nameplate Power Factor	0.95
Summer Capacity	71.8 MW
Winter Capacity	71.8 MW
Minimum Load	21.6 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1966
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#40	Davis Dam	Kingman, AZ	958.2 GWh
#41	Hoover Dam (AZ)	Boulder City, AZ	927.1 GWh
#42	Mossyrock	Silver Creek, WA	902.7 GWh
#43	Watts Bar Hydro	Spring City, TN	895.6 GWh
#44	Keokuk	Keokuk, IA	888.3 GWh
#45	Sidney A Murray Jr Hydroelectric	Vidalia, LA	885.2 GWh
#46	Fontana Dam	Fontana Dam, NC	879.0 GWh
#47	Holtwood	Holtwood, PA	866.1 GWh
#48	Cabinet Gorge	Clark Fork, ID	857.6 GWh
#49	Big Bend Dam	Chamberlain, SD	813.0 GWh
#51	Round Butte	Madras, OR	794.4 GWh
#52	Devil Canyon	San Bernardino, CA	789.9 GWh
#53	Gorge	Rockport, WA	769.0 GWh
#54	Fort Peck	Fort Peck, MT	751.6 GWh
#55	Palisades Dam	Palisades, ID	744.4 GWh
#56	Fort Loudoun	Lenoir City, TN	732.1 GWh
#57	Hungry Horse	Columbia Falls, MT	730.3 GWh
#58	Wolf Creek	Jamestown, KY	723.8 GWh
#59	Gavins Point	Crofton, NE	712.6 GWh
#60	Chickamauga	Chattanooga, TN	688.9 GWh

Below are closest 20 power plants surrounding Yellowtail.

Plant Name	Plant Location	Annual Generation	Distance
Buffalo Bill	Cody, WY	66.2 GWh	81.1 mi
Colstrip	Colstrip, MT	9.2 TWh	76.2 mi
Colstrip Energy LP	Colstrip, MT	287.5 GWh	78 mi
Elk Basin Gasoline Plant	Powell, WY	6.7 GWh	48.7 mi
Garland Canal Power Plant	Powell, WY	8.8 GWh	59.8 mi
Hardin Generator Project	Hardin, MT	481.0 GWh	35.6 mi
Heart Mountain	Cody, WY	21.0 GWh	79.3 mi
Magpie Solar, LLC	Lavina, MT	4.9 GWh	82.8 mi
MTSUN	Billings, MT	149.0 GWh	49.1 mi
Pryor Mountain Wind	Bridger, MT	750.8 GWh	37.1 mi
River Bend Solar, LLC (MT)	Reed Point, MT	3.1 GWh	82.5 mi
Shoshone (WY)	Cody, WY	17.6 GWh	81.7 mi
South Dry Creek Hydro	Red Lodge, MT	3.8 GWh	59.2 mi
South Mills Solar, LLC	Hardin, MT	4.9 GWh	33.2 mi
Spirit Mountain	Cody, WY	17.3 GWh	79.4 mi
Stillwater Wind, LLC	Reed Point, MT	252.7 GWh	83 mi
Two Dot Wind Broadview East LLC	Broadview, MT	4.2 GWh	68.5 mi
Western Sugar Cooperative - Billings	Billings, MT	5.3 GWh	41.1 mi
Yellowstone County Generating Station	Laurel, MT	383.4 GWh	45.9 mi
Yellowstone Energy LP	Billings, MT	458.4 GWh	41.6 mi