Darby Power, LLC
12509 Adkins Road, Mt Sterling, OH 43143Plant Summary Information
Darby Power, LLC is ranked #30 out of 206 power plants in Ohio in terms of total annual net electricity generation.
Darby Power, LLC is comprised of 6 generators and generated 132.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Darby Power, LLC |
|---|---|
| Utility Name | Darby Power, LLC |
| Location | Pickaway County, OH |
| Initial Operation Date | May 2001 |
| Last Update | Dec 2025 |
| Annual Generation | 543.9 GWh |
| Annual Consumption | 7.1 M MMBtu |
| Ranked #1,271 out of 13,081 Power Plants Nationwide | |
| Ranked #547 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #30 out of 206 Ohio Power Plants | |
| Ranked #19 out of 54 Ohio Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Previous Operator |
AEP Generation Resources Inc (2013 to 2016) Darby Power, LLC (2017 to 2025) |
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Monthly Net Generation for Darby Power, LLC
Monthly Plant Fuel Consumption for Darby Power, LLC
Darby Power, LLC Details
| Summary Information | |
|---|---|
| Plant Name | Darby Power, LLC (55247) |
| Plant Address | 12509 Adkins Road, Mt Sterling, OH 43143 |
| Utility | Darby Power, LLC (61134) |
| Latitude, Longitude | 39.7139, -83.1778 |
| Generation Dates on File | Aug 2001 to Dec 2025 |
| Initial Operation Date | May 2001 |
| Annual Generation | 543.9 GWh |
| Fuel Types | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | ER17-256-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Ohio Power Co (14006) OH |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
COLUMBIA GAS TRANSMISSION CORP DOMINION TRANSMISSION INCORPORATED |
| Natural Gas Storage | No |
Generator GT1 Details Operating May 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2001 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Generator GT2 Details Operating May 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2001 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Generator GT3 Details Operating May 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2001 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Generator GT4 Details Operating May 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2001 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Generator GT5 Details Operating May 2002
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Generator GT6 Details Operating May 2002
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | Adkins 13.8 Kv |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | Adkins 13.8 Kv |
| Nameplate Capacity | 94 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 80 MW |
| Winter Capacity | 90 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| 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 | 80 MW |
| Net Winter Capacity With Natural Gas | 90 MW |
| Net Summer Capacity With Oil | 80 MW |
| Net Winter Capacity With Oil | 90 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
Darby Power, LLC Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT1 | 100.00% |
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT2 | 100.00% |
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT3 | 100.00% |
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT4 | 100.00% |
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT5 | 100.00% |
| Cornerstone Generation | 500 Alexander Park Drive, Suite 300, Princeton, NJ 8540 | Generator GT6 | 100.00% |
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|---|---|---|---|
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| Springfield Solar LLC | Springfield, OH | 277.0 MWh | 35.6 mi |
| ST-1/1A Engine No 1 | Columbus, OH | 3.0 MWh | 18.4 mi |
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