Saint Marys Hospital Power Plant
1216 Second St NW, Rochester, MN 55902Plant Summary Information
Saint Marys Hospital Power Plant is ranked #18 out of 53 natural gas power plants in Minnesota in terms of total annual net electricity generation.
Saint Marys Hospital Power Plant is comprised of 5 generators and generated 14.1 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Saint Marys Hospital Power Plant |
|---|---|
| Utility Name | St Mary's Hospital |
| Location | Olmsted County, MN |
| Initial Operation Date | January 1971 |
| Last Update | Mar 2025 |
| Annual Generation | 55.5 GWh |
| Annual Consumption | 943.1 k MMBtu |
| Ranked #3,850 out of 12,288 Power Plants Nationwide | |
| Ranked #1,055 out of 2,221 Natural Gas Power Plants Nationwide | |
| Ranked #77 out of 756 Minnesota Power Plants | |
| Ranked #18 out of 53 Minnesota Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
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Monthly Net Generation for Saint Marys Hospital Power Plant
Saint Marys Hospital Power Plant Details
| Summary Information | |
|---|---|
| Plant Name | Saint Marys Hospital Power Plant (54262) |
| Plant Address | 1216 Second St NW, Rochester, MN 55902 |
| Utility | St Mary's Hospital (17897) |
| Latitude, Longitude | 44.09785, -92.47982 |
| Generation Dates on File | Jan 2001 to Mar 2025 |
| Initial Operation Date | January 1971 |
| Annual Generation | 55.5 GWh |
| Fuel Types | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| 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 | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Hospitals (622) |
| Sector | Commercial CHP (5) |
| Water Source | Wells Municipality |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Rochester Public Utilities (16181) MN |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Local Distribution Company (LDC) | MINNESOTA ENERGY RESOURCES |
Generator 4 Details Operating January 1971
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Nameplate Capacity | 3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2.7 MW |
| Winter Capacity | 2.7 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1971 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Commercial CHP (5) |
| Topping Or Bottoming | B |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 2.7 MW |
| Net Winter Capacity With Natural Gas | 2.7 MW |
| Net Summer Capacity With Oil | 2.7 MW |
| Net Winter Capacity With Oil | 2.7 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | No |
Generator 5 Details Standby January 1978
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2.5 MW |
| Winter Capacity | 2.5 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Standby |
| Synchronized To Transmission Grid | Yes |
|---|---|
| First Operation Date | January 1978 |
| Combined Heat & Power | No |
| Sector Name | Commercial CHP (5) |
| Energy Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 1 Details Operating June 1996
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Nameplate Capacity | 4.7 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 4.5 MW |
| Winter Capacity | 4.5 MW |
| Minimum Load | 1.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1996 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Commercial CHP (5) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 7 Details Operating March 2011
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2.8 MW |
| Winter Capacity | 2.8 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | March 2011 |
| Combined Heat & Power | No |
| Sector Name | Commercial CHP (5) |
| Energy Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 6B Details Operating July 2020
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 3.3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 3.3 MW |
| Winter Capacity | 3.3 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2020 |
| Combined Heat & Power | No |
| Sector Name | Commercial CHP (5) |
| Energy Source | Distillate Fuel Oil |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Saint Marys Hospital Power Plant Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
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|---|---|---|---|
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| USS Wells Creek Solar LLC | Goodhue, MN | 2.0 GWh | 11 mi |
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