Drop 1
Interstate 8, Holtville, CA 92250Plant Summary Information
Drop 1 is ranked #157 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
Drop 1 is comprised of 3 generators and generated 953.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Drop 1 |
|---|---|
| Utility Name | Imperial Irrigation District |
| Location | Imperial County, CA |
| Initial Operation Date | October 1984 |
| Last Update | Dec 2025 |
| Annual Generation | 9.0 GWh |
| Annual Consumption | 32.2 k MMBtu |
| Ranked #6,530 out of 13,094 Power Plants Nationwide | |
| Ranked #927 out of 1,309 Water Power Plants Nationwide | |
| Ranked #867 out of 1,607 California Power Plants | |
| Ranked #157 out of 207 California Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Drop 1
Monthly Plant Fuel Consumption for Drop 1
Drop 1 Details
| Summary Information | |
|---|---|
| Plant Name | Drop 1 (585) |
| Plant Address | Interstate 8, Holtville, CA 92250 |
| Utility | Imperial Irrigation District (9216) |
| Latitude, Longitude | 32.71161, -114.94267 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | October 1984 |
| Annual Generation | 9.0 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 | Imperial Irrigation District (IID) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Well & Canal Filtered |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Imperial Irrigation District (9216) CA |
| Grid Voltage | 35.00 kV |
| Energy Storage | No |
Generator 3 Details Operating October 1984
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.9 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.1 MW |
| Minimum Load | 0.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1984 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 1 Details Operating November 1984
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.9 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1984 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 2 Details Operating November 1984
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.9 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.1 MW |
| Minimum Load | 0.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1984 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Drop 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 |
|---|---|---|---|
| #917 | Middle Falls Hydro | Middle Falls, NY | 9.4 GWh |
| #918 | Stillwater B | Old Town, ME | 9.4 GWh |
| #919 | Yorba Linda | Yorba Linda, CA | 9.4 GWh |
| #920 | Hemlock Falls | Crystal Falls, MI | 9.4 GWh |
| #921 | Montgomery Creek Hydro | Montgomery Creek, CA | 9.2 GWh |
| #922 | Gross Hydro Plant | Boulder, CO | 9.2 GWh |
| #923 | Warrensburg Hydroelectric | Warrensburg, NY | 9.2 GWh |
| #924 | Merced Falls | Snelling, CA | 9.1 GWh |
| #925 | Saxon Falls | Saxon, WI | 9.1 GWh |
| #926 | Mine Falls Generating Station | Nashua, NH | 9.1 GWh |
| #928 | Towaoc | Cortez, CO | 9.0 GWh |
| #929 | Flint Creek Hydroelectric LLC | Philipsburg, MT | 9.0 GWh |
| #930 | Black Butte | Orland, CA | 9.0 GWh |
| #931 | Drop 5 (CO) | Montrose, CO | 8.9 GWh |
| #932 | Bishop Creek 6 | Bishop, CA | 8.9 GWh |
| #933 | Knife Falls | Cloquet, MN | 8.9 GWh |
| #934 | Upper Dawson | La Grange, CA | 8.9 GWh |
| #935 | Stony Gorge | Elk Creek, CA | 8.9 GWh |
| #936 | Hamilton Hydro | HAMILTON, OH | 8.8 GWh |
| #937 | Strawberry Creek | Bedford, WY | 8.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Drop 1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Arizona Western College PV | Yuma, AZ | 4.5 GWh | 26 mi |
| Drop 2 (CA) | Holtville, CA | 26.7 GWh | 5.2 mi |
| Drop 3 (CA) | Holtville, CA | 15.3 GWh | 10.7 mi |
| Drop 4 | Holtville, CA | 74.9 GWh | 16.1 mi |
| Drop 5 (CA) | Calexico, CA | 5.6 GWh | 26.3 mi |
| East Highline | Holtville, CA | 2.8 GWh | 19.8 mi |
| Foothills Solar Plant Hybrid | Yuma, AZ | 80.2 GWh | 30.2 mi |
| Heber Geothermal | Heber, CA | 376.3 GWh | 33.4 mi |
| Heber Solar | Heber, CA | 24.1 GWh | 34.8 mi |
| IVC Solar | Imperial, CA | 4.2 GWh | 33.8 mi |
| Ormesa I | Holtville, CA | 70.2 GWh | 19.6 mi |
| Ormesa II | Holtville, CA | 131.7 GWh | 18.5 mi |
| Ormesa III | Holtville, CA | 44.4 GWh | 19.2 mi |
| Pilot Knob | Winterhaven, CA | 13.4 GWh | 13.4 mi |
| Second Imperial Geothermal | Heber, CA | 275.2 GWh | 34.5 mi |
| Siphon Drop Power Plant | Winterhaven, CA | 11.6 GWh | 18.5 mi |
| Vikings Energy Farm | Holtville, CA | 294.3 GWh | 20.1 mi |
| Yucca | Yuma, AZ | 168.5 GWh | 13.5 mi |
| Yuma Cogeneration Associates | Yuma, AZ | 15.1 GWh | 16.8 mi |
| Yuma Solar + Storage | Fortuna Foothills, AZ | 200.6 GWh | 30.2 mi |