Drum 1
Drum Powerhouse Road, Alta, CA 95701Plant Summary Information
Drum 1 is ranked #128 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
Drum 1 is comprised of 4 generators and generated 5.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Drum 1 |
|---|---|
| Utility Name | Pacific Gas & Electric Co. |
| Location | Placer County, CA |
| Initial Operation Date | November 1913 |
| Last Update | Dec 2025 |
| Annual Generation | 15.1 GWh |
| Annual Consumption | 51.5 k MMBtu |
| Ranked #5,684 out of 13,081 Power Plants Nationwide | |
| Ranked #771 out of 1,311 Water Power Plants Nationwide | |
| Ranked #738 out of 1,606 California Power Plants | |
| Ranked #128 out of 207 California Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
Pacific Gas & Electric Co (2013 to 2016) Pacific Gas & Electric Co. (2017 to 2025) |
Map of Drum 1
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Drum 1.
Monthly Net Generation for Drum 1
Monthly Plant Fuel Consumption for Drum 1
Drum 1 Details
| Summary Information | |
|---|---|
| Plant Name | Drum 1 (235) |
| Plant Address | Drum Powerhouse Road, Alta, CA 95701 |
| Utility | Pacific Gas & Electric Co. (14328) |
| Latitude, Longitude | 39.25687, -120.76744 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | November 1913 |
| Annual Generation | 15.1 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 | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Bear River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Pacific Gas & Electric Co (14328) CA |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator 1 Details Operating November 1913
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DRUM_7_PL1X2-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DRUM_7_PL1X2-APND |
| Nameplate Capacity | 12 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 13.2 MW |
| Winter Capacity | 13.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 1913 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating November 1913
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DRUM_7_PL1X2-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DRUM_7_PL1X2-APND |
| Nameplate Capacity | 12 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 13.2 MW |
| Winter Capacity | 13.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 1913 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 3 Details Operating April 1922
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DRUM_7_PL3X4-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DRUM_7_PL3X4-APND |
| Nameplate Capacity | 12 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 13.2 MW |
| Winter Capacity | 13.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 1922 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 4 Details Operating June 1928
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | DRUM_7_PL3X4-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | DRUM_7_PL3X4-APND |
| Nameplate Capacity | 13.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 14.4 MW |
| Winter Capacity | 14.4 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 1928 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Drum 1 Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #761 | Snowden | Big Island, VA | 15.8 GWh |
| #762 | Abiquiu Dam | Abiquiu, NM | 15.7 GWh |
| #763 | Mosinee Mill | Mosinee, WI | 101.2 GWh |
| #764 | High Falls (WI) | Town of Stephenson, WI | 15.6 GWh |
| #765 | Hydro II | Logan, UT | 15.6 GWh |
| #766 | Gorge 18 | South Burlington, VT | 15.4 GWh |
| #767 | Drop 3 (CA) | Holtville, CA | 15.3 GWh |
| #768 | Olsen | Whitmore, CA | 15.3 GWh |
| #769 | Deer Creek PH | Nevada City, CA | 15.2 GWh |
| #770 | Dutch Flat 2 | Dutch Flat, CA | 15.2 GWh |
| #772 | Oakdale | Monticello, IN | 15.0 GWh |
| #773 | S D Warren Westbrook | Westbrook, ME | 15.0 GWh |
| #774 | Washoe | Verdi, NV | 14.9 GWh |
| #775 | Jones Fork | Fresh Pond, CA | 14.9 GWh |
| #776 | Murphys | Murphys, CA | 14.8 GWh |
| #777 | Eagle Point | Eagle Point, OR | 14.8 GWh |
| #778 | Vinelands Power Plant | Palisade, CO | 14.7 GWh |
| #779 | Flat Rock | Fine, NY | 14.6 GWh |
| #780 | Copper Dam Plant | Hood River, OR | 14.6 GWh |
| #781 | Guernsey | Guernsey, WY | 14.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Drum 1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Powerhouse | Alta, CA | 2.2 GWh | 3.4 mi |
| Bowman | Nevada City, CA | 14.2 GWh | 14.6 mi |
| Chicago Park | Colfax, CA | 65.2 GWh | 8.6 mi |
| Colgate | Dobbins, CA | 1.3 TWh | 23.3 mi |
| Combie South | Auburn, CA | 3.7 GWh | 23.2 mi |
| Deer Creek PH | Nevada City, CA | 15.2 GWh | 5 mi |
| Drum 2 | Alta, CA | 164.2 GWh | 0 mi |
| Dutch Flat | Alta, CA | 66.0 GWh | 4.6 mi |
| Dutch Flat 2 | Dutch Flat, CA | 15.2 GWh | 4.5 mi |
| French Meadows | Foresthill, CA | 50.8 GWh | 23 mi |
| Halsey | Auburn, CA | 21.5 GWh | 25.4 mi |
| Haypress | Sierra City, CA | 17.1 GWh | 23.5 mi |
| Middle Fork | Foresthill, CA | 444.4 GWh | 18.5 mi |
| Oxbow (CA) | Foresthill, CA | 23.2 GWh | 17.6 mi |
| Ralston | Foresthill, CA | 302.6 GWh | 17.8 mi |
| Rollins | Colfax, CA | 36.9 GWh | 13.1 mi |
| Scott Flat | Nevada City, CA | 3.8 GWh | 8.9 mi |
| Spaulding 1 | Emigrant Gap, CA | 17.4 GWh | 8.1 mi |
| Spaulding 2 | Emigrant Gap, CA | 21.0 MWh | 8 mi |
| Spaulding 3 | Emigrant Gap, CA | 16.9 GWh | 9 mi |