Round Butte
726 SW Lower Bend Rd, Madras, OR 97741Plant Summary Information
Round Butte is ranked #17 out of 275 power plants in Oregon in terms of total annual net electricity generation.
Round Butte is comprised of 3 generators and generated 56.2 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Round Butte |
|---|---|
| Utility Name | Portland General Electric Co |
| Location | Jefferson County, OR |
| Initial Operation Date | August 1964 |
| Last Update | Dec 2025 |
| Annual Generation | 772.4 GWh |
| Annual Consumption | 2.8 M MMBtu |
| Ranked #927 out of 13,081 Power Plants Nationwide | |
| Ranked #52 out of 1,311 Water Power Plants Nationwide | |
| Ranked #17 out of 275 Oregon Power Plants | |
| Ranked #7 out of 55 Oregon Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Round Butte
Monthly Plant Fuel Consumption for Round Butte
Round Butte Details
| Summary Information | |
|---|---|
| Plant Name | Round Butte (3050) |
| Plant Address | 726 SW Lower Bend Rd, Madras, OR 97741 |
| Utility | Portland General Electric Co (15248) |
| Latitude, Longitude | 44.60584, -121.27733 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | August 1964 |
| Annual Generation | 772.4 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 | Portland General Electric Company (PGE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Deschutes River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Portland General Electric Co (15248) OR |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 3 Details Operating October 1964
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | RBP1_2_GNODE1-3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | PNP-RBP_2_PELRB |
| Nameplate Capacity | 130 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 121.5 MW |
| Winter Capacity | 121.5 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | October 1964 |
| 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 | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating November 1964
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | RBP1_2_GNODE1-3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | PNP-RBP_2_PELRB |
| Nameplate Capacity | 130 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 121.5 MW |
| Winter Capacity | 121.5 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 1964 |
| 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 | 10M |
| Multiple Fuels | No |
Generator 1 Details Operating August 1964
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | RBP1_2_GNODE1-3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | PNP-RBP_2_PELRB |
| Nameplate Capacity | 112.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 110 MW |
| Winter Capacity | 110 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 1964 |
| 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 | 10M |
| Multiple Fuels | No |
Round Butte Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Portland General Electric Co | 121 SW Salmon Street, Portland, OR 97204 | Generator 1 | 50.10% |
| Warm Springs Power Enterprises | P O Box 960, 5180 Jackson Trail Road, Warm Springs, OR 97761 | Generator 1 | 49.90% |
| Portland General Electric Co | 121 SW Salmon Street, Portland, OR 97204 | Generator 2 | 50.10% |
| Warm Springs Power Enterprises | P O Box 960, 5180 Jackson Trail Road, Warm Springs, OR 97761 | Generator 2 | 49.90% |
| Portland General Electric Co | 121 SW Salmon Street, Portland, OR 97204 | Generator 3 | 50.10% |
| Warm Springs Power Enterprises | P O Box 960, 5180 Jackson Trail Road, Warm Springs, OR 97761 | Generator 3 | 49.90% |
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| #60 | Bull Shoals | Mountain Home, AR | 647.3 GWh |
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| #62 | Hungry Horse | Columbia Falls, MT | 632.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Round Butte.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| 45 Mile Hydroelectric Project | Culver, OR | 5.0 GWh | 8.2 mi |
| Bakeoven Solar | Maupin, OR | 126.4 GWh | 41.2 mi |
| Bend | Bend, OR | 797.0 MWh | 37.6 mi |
| Carmen Smith | McKenzie Bridge, OR | 167.9 GWh | 43.7 mi |
| Cartwright Solar I | Powell Butte, OR | 15.4 GWh | 29.7 mi |
| Daybreak Solar | Maupin, OR | 340.8 GWh | 41.2 mi |
| Detroit | Mill City, OR | 226.9 GWh | 48.5 mi |
| Green Solar LLC (CSG) | Culver, OR | 6.2 GWh | 8.3 mi |
| Juniper Ridge Hydroelectric Project | Bend, OR | 12.7 GWh | 32 mi |
| Millican Solar Energy LLC | Prineville, OR | 140.9 GWh | 48.2 mi |
| NorWest Energy 2, LLC | Bend, OR | 20.0 GWh | 37.2 mi |
| Opal Springs Hydro | Culver, OR | 28.0 GWh | 8.1 mi |
| OSLH, LLC | Bend, OR | 20.7 GWh | 37.7 mi |
| Pelton | Madras, OR | 399.6 GWh | 6.5 mi |
| Prineville Solar Energy LLC | Prineville, OR | 89.7 GWh | 48.1 mi |
| Siphon Power Project | Bend, OR | 19.0 GWh | 39.7 mi |
| Solar Star Oregon II | Prineville, OR | 126.6 GWh | 34.1 mi |
| Stone Creek | Estacada, OR | 54.4 GWh | 44.4 mi |
| Tumbleweed Solar, LLC | Redmond, OR | 18.5 GWh | 28.6 mi |
| Warm Springs Power Enterprises | Warm Springs, OR | 60.5 GWh | 8.3 mi |