Mammoth G1
85 Casa Diablo, Mammoth lakes, CA 93546Plant Summary Information
Mammoth G1 is ranked #28 out of 29 geothermal power plants in California in terms of total annual net electricity generation.
Mammoth G1 is comprised of 2 generators and generated 15.3 GWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Mammoth G1 |
|---|---|
| Utility Name | Ormat Nevada Inc |
| Location | Mono County, CA |
| Initial Operation Date | December 1984 |
| Last Update | Dec 2023 |
| Annual Generation | 57.7 GWh |
| Annual Consumption | 210.4 k MMBtu |
| Ranked #3,783 out of 11,623 Power Plants Nationwide | |
| Ranked #54 out of 62 Geothermal Power Plants Nationwide | |
| Ranked #440 out of 1,487 California Power Plants | |
| Ranked #28 out of 29 California Geothermal Power Plants | |
| Fuel Types | Geothermal |
Map of Mammoth G1
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Mammoth G1.
Monthly Net Generation for Mammoth G1
Mammoth G1 Details
| Summary Information | |
|---|---|
| Plant Name | Mammoth G1 (10480) |
| Plant Address | 85 Casa Diablo, Mammoth lakes, CA 93546 |
| Utility | Ormat Nevada Inc (34691) |
| Latitude, Longitude | 37.6451, -118.9143 |
| Generation Dates on File | Jan 2001 to Dec 2023 |
| Initial Operation Date | December 1984 |
| Annual Generation | 57.7 GWh |
| Fuel Types | Geothermal |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 83-247-001 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Wells |
| Ash Impoundment | |
| Transmission / Distribution Owner | Southern California Edison Co (17609) CA |
| Grid Voltage | 33.00 kV |
| Energy Storage | No |
Generator GEN1 Details Operating December 1984
| Technology | Geothermal |
|---|---|
| Prime Mover | Turbines Used in a Binary Cycle |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 3.3 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 3.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1984 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
Generator GEN2 Details Operating December 1984
| Technology | Geothermal |
|---|---|
| Prime Mover | Turbines Used in a Binary Cycle |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 3.3 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 3.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 1984 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Geothermal |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
Mammoth G1 Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Mammoth Pacific LP | P.O.Box 15843211 Jermantown Road, Mammoth Lakes, CA 93546 | Generator GEN1 | 100.00% |
| Mammoth Pacific LP | P.O.Box 15843211 Jermantown Road, Mammoth Lakes, CA 93546 | Generator GEN2 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Geothermal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #42 | Brady | Fallon, NV | 95.0 GWh |
| #43 | Galena 3 Geothermal Power Plant | Reno, NV | 92.1 GWh |
| #44 | Desert Peak Power Plant | Fernley, NV | 91.9 GWh |
| #45 | Raft River Geothermal Power Plant | Malta, ID | 88.6 GWh |
| #46 | Stillwater Facility | Fallon, NV | 123.7 GWh |
| #47 | San Emidio | Gerlach, NV | 83.0 GWh |
| #48 | Aidlin Geothermal Power Plant | Middletown, CA | 77.3 GWh |
| #49 | Salton Sea Power Gen Co Unit 1 | Calipatria, CA | 75.9 GWh |
| #50 | ENEL Salt Wells LLC | Fallon, NV | 73.2 GWh |
| #51 | Ormesa III | Holtville, CA | 68.5 GWh |
| #52 | Jersey Valley Geothermal Power Plant | Imlay, NV | 66.7 GWh |
| #53 | Mammoth G2 | Mammoth Lakes, CA | 62.3 GWh |
| #55 | Thermo No 1 | Milford, UT | 54.8 GWh |
| #56 | Star Peak Geothermal Plant | Imlay, NV | 51.8 GWh |
| #57 | Steamboat III | Reno, NV | 45.6 GWh |
| #58 | Steamboat II | Reno, NV | 42.1 GWh |
| #59 | Galena 2 Geothermal Power Plant | Reno, NV | 38.1 GWh |
| #60 | North Brawley Geothermal Plant | Brawley, CA | 28.2 GWh |
| #61 | Lightning Dock Geothermal HI-01, LLC | Animas, NM | 27.4 GWh |
| #62 | Whitegrass No. 1 | Yerington, NV | 17.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Mammoth G1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Creek 1 | Big Creek, CA | 393.8 GWh | 35.3 mi |
| Big Creek 2 | Auberry, CA | 296.2 GWh | 37.5 mi |
| Big Creek 2A | Auberry, CA | 325.9 GWh | 37.5 mi |
| Bishop Creek 2 | Bishop, CA | 35.6 GWh | 31.8 mi |
| Bishop Creek 3 | Bishop, CA | 26.2 GWh | 31.6 mi |
| Bishop Creek 4 | Bishop, CA | 49.8 GWh | 31.7 mi |
| Bishop Creek 5 | Bishop, CA | 13.7 GWh | 32.1 mi |
| Bishop Creek 6 | Bishop, CA | 9.6 GWh | 32.1 mi |
| CD4 | Mammoth Lakes, CA | 272.3 GWh | 0.1 mi |
| Control Gorge | Bishop, CA | 91.0 GWh | 24.3 mi |
| Lundy | Lee Vining, CA | 11.3 GWh | 30.9 mi |
| Mammoth G2 | Mammoth Lakes, CA | 62.3 GWh | 0.3 mi |
| Mammoth G3 | Mammoth Lakes, CA | 104.0 GWh | 0.3 mi |
| Mammoth Pool | North Fork, CA | 394.2 GWh | 37.4 mi |
| Middle Gorge | Bishop, CA | 98.9 GWh | 21.1 mi |
| Pleasant Valley Hydro | Bishop, CA | 9.2 GWh | 26.7 mi |
| Poole | Lee Vining, CA | 35.7 GWh | 26.4 mi |
| Portal | Lakeshore, CA | 21.2 GWh | 30 mi |
| Rush Creek | June lake, CA | 40.4 GWh | 14.2 mi |
| Upper Gorge | Bishop, CA | 112.2 GWh | 19 mi |