McSwain
7912 Lake McClure Road, Snelling, CA 95369Plant Summary Information
McSwain is ranked #105 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
McSwain is comprised of 1 generator and generated 8.0 GWh during the 3-month period between July 2025 to October 2025.
| Plant Name | McSwain |
|---|---|
| Utility Name | Merced Irrigation District |
| Location | Mariposa County, CA |
| Initial Operation Date | July 1967 |
| Last Update | Oct 2025 |
| Annual Generation | 26.9 GWh |
| Annual Consumption | 99.2 k MMBtu |
| Ranked #5,014 out of 13,094 Power Plants Nationwide | |
| Ranked #627 out of 1,309 Water Power Plants Nationwide | |
| Ranked #623 out of 1,607 California Power Plants | |
| Ranked #105 out of 207 California Water Power Plants | |
| Fuel Types | Water |
Map of McSwain
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for McSwain.
Monthly Net Generation for McSwain
Monthly Plant Fuel Consumption for McSwain
McSwain Details
| Summary Information | |
|---|---|
| Plant Name | McSwain (410) |
| Plant Address | 7912 Lake McClure Road, Snelling, CA 95369 |
| Utility | Merced Irrigation District (12312) |
| Latitude, Longitude | 37.52207, -120.31009 |
| Generation Dates on File | Jan 2001 to Oct 2025 |
| Initial Operation Date | July 1967 |
| Annual Generation | 26.9 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 | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Lake Mcswain-Merced River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Pacific Gas & Electric Co (14328) CA |
| Grid Voltage | 70.00 kV |
| Energy Storage | No |
Generator 1 Details Operating July 1967
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | MCSWAIN_6_N001 |
| Nameplate Capacity | 9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 9 MW |
| Winter Capacity | 9 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1967 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
McSwain Plant Owners
| Owner Name | Address | 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 |
|---|---|---|---|
| #617 | Proctor | Proctor, VT | 27.8 GWh |
| #618 | Foote | Oscoda, MI | 27.6 GWh |
| #619 | Berrien Springs | Berrien Springs, MI | 27.3 GWh |
| #620 | Big Falls | Glen Fora, WI | 27.3 GWh |
| #621 | Wilson Lake Hydroelectric Project | Eden, ID | 27.3 GWh |
| #622 | Monroe (NE) | Monroe, NE | 27.2 GWh |
| #623 | Sly Creek | Forbestown, CA | 27.2 GWh |
| #624 | Lyons Falls Hydroelectric | Lyons Falls, NY | 27.1 GWh |
| #625 | Little Falls (MN) | Little Falls, MN | 27.0 GWh |
| #626 | Rio Bravo Hydro Project | Bakersfield, CA | 27.0 GWh |
| #628 | Bulls Bridge | New Milford, CT | 26.9 GWh |
| #629 | Drop 2 (CA) | Holtville, CA | 26.7 GWh |
| #630 | McClure Dam | Marquette, MI | 26.5 GWh |
| #631 | Deerfield 3 | Buckland, MA | 26.5 GWh |
| #632 | White River Lock and Dam 3 | Marcella, AR | 26.4 GWh |
| #633 | South Forks Hydro | Hansen, ID | 26.3 GWh |
| #634 | Portal | Lakeshore, CA | 26.2 GWh |
| #635 | Stevens Point | Stevens Point, WI | 25.9 GWh |
| #636 | PHP 2 | Sandy, OR | 25.8 GWh |
| #637 | Kingsford | Kingsford, MI | 25.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding McSwain.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| 2097 Helton Solar Project | Merced, CA | 1.6 GWh | 15.9 mi |
| Adera Solar | Chowchilla, CA | 32.7 GWh | 27.8 mi |
| Broadway 3 - UC Merced 1 | Merced, CA | 929.0 MWh | 12.8 mi |
| City of Atwater NEM | Atwater, CA | 1.6 GWh | 24.5 mi |
| Don Pedro | La Grange, CA | 285.6 GWh | 13.4 mi |
| Exchequer | Snelling, CA | 245.8 GWh | 4.9 mi |
| Hickman | Hickman, CA | 3.6 GWh | 24.9 mi |
| La Grange | La Grange, CA | 6.6 GWh | 12.5 mi |
| Merced Falls | Snelling, CA | 9.1 GWh | 1.1 mi |
| Merced Solar LLC | Merced, CA | 3.9 GWh | 20 mi |
| Mission Solar LLC | Merced, CA | 3.6 GWh | 20 mi |
| Moccasin | Moccasin, CA | 308.4 GWh | 19.9 mi |
| Moccasin Low Head Hydro Project | Moccasin, CA | 3.3 GWh | 20.3 mi |
| Pacific-Ultrapower Chinese Station | Jamestown, CA | 102.6 GWh | 26 mi |
| Parker | Snelling, CA | 6.0 GWh | 8 mi |
| Sierra Pacific Chinese Camp | Chinese Camp, CA | 4.5 GWh | 26.2 mi |
| Turlock Lake | Hickman, CA | 3.2 GWh | 16.8 mi |
| UC Merced Solar Hybrid | Merced, CA | 8.0 GWh | 12.7 mi |
| Upper Dawson | La Grange, CA | 8.9 GWh | 12.5 mi |
| West Tambo Clean Power II | Livingston, CA | 4.3 GWh | 25.1 mi |