Ocean State Power II
1575 Sherman Farm Road, Harrisville, RI 2830Plant Summary Information
Ocean State Power II is ranked #5 out of 96 power plants in Rhode Island in terms of total annual net electricity generation.
Ocean State Power II is comprised of 3 generators and generated 183.0 GWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Ocean State Power II |
|---|---|
| Utility Name | Ocean State Power II |
| Location | Providence County, RI |
| Initial Operation Date | October 1991 |
| Last Update | Dec 2023 |
| Annual Generation | 1.1 TWh |
| Annual Consumption | 9.8 M MMBtu |
| Ranked #700 out of 11,835 Power Plants Nationwide | |
| Ranked #425 out of 2,253 Natural Gas Power Plants Nationwide | |
| Ranked #5 out of 96 Rhode Island Power Plants | |
| Ranked #5 out of 8 Rhode Island Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.7% |
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Monthly Net Generation for Ocean State Power II
Ocean State Power II Details
| Summary Information | |
|---|---|
| Plant Name | Ocean State Power II (54324) |
| Plant Address | 1575 Sherman Farm Road, Harrisville, RI 2830 |
| Utility | Ocean State Power II (27770) |
| Latitude, Longitude | 42.0099, -71.6701 |
| Generation Dates on File | Jan 2001 to Dec 2023 |
| Initial Operation Date | October 1991 |
| Annual Generation | 1.1 TWh |
| Fuel Types | Natural Gas : 99.7% |
| 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 | 93-16-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Blackstone River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | The Narragansett Electric Co (13214) RI |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
KINDER MORGAN TEXAS PIPELINE LLC ALGONQUIN GAS TRANSMISSION COMPANY |
| Pipeline Notes | Two different pipelines enter the facility |
| Natural Gas Storage | No |
Generator GEN1 Details Operating October 1991
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | OSP2 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 82.8 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 71.2 MW |
| Winter Capacity | 77.8 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1991 |
|---|---|
| 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 | 12H |
| Planned Net Summer Capacity Uprate | 26.1 MW |
| Planned Uprate | November 2025 |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | NG / DFO |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 71.2 MW |
| Net Winter Capacity With Natural Gas | 77.8 MW |
| Net Summer Capacity With Oil | 71.2 MW |
| Net Winter Capacity With Oil | 77.8 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 GEN2 Details Operating October 1991
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | OSP2 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| Nameplate Capacity | 82.8 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 71.2 MW |
| Winter Capacity | 77.8 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1991 |
|---|---|
| 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 | 12H |
| Planned Net Summer Capacity Uprate | 26.1 MW |
| Planned Uprate | November 2025 |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | NG / DFO |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 71.2 MW |
| Net Winter Capacity With Natural Gas | 77.8 MW |
| Net Summer Capacity With Oil | 71.2 MW |
| Net Winter Capacity With Oil | 77.8 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 GEN3 Details Operating October 1991
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | OSP2 |
| Ownership | Wholly Owned by Other Entity |
| Duct Burners | Yes |
| Nameplate Capacity | 88.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 76.2 MW |
| Winter Capacity | 83.3 MW |
| Minimum Load | 35 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1991 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Planned Net Summer Capacity Uprate | 63.8 MW |
| Planned Uprate | November 2025 |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Ocean State Power II Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Ocean State Power Co | 1575 Sherman Farm Road, Harrisville, RI 2830 | Generator GEN1 | 100.00% |
| Ocean State Power Co | 1575 Sherman Farm Road, Harrisville, RI 2830 | Generator GEN2 | 100.00% |
| Ocean State Power Co | 1575 Sherman Farm Road, Harrisville, RI 2830 | Generator GEN3 | 100.00% |
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| #435 | Afton Generating Station | La Mesa, NM | 1.0 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ocean State Power II.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| ASD Wallum MA Solar LLC(CSG) | Douglas, MA | 7.0 GWh | 4.6 mi |
| Bellingham PV | Douglas, MA | 4.3 GWh | 4.8 mi |
| BJ's Wholesale Club, Inc- Uxbridge | Uxbridge, MA | 496.0 MWh | 3.5 mi |
| Blackstone/Tupperware | North Smithfield, RI | 3.7 GWh | 6.5 mi |
| Brookside | North Smithfield, RI | 1.5 GWh | 4.7 mi |
| Douglas Pike Solar, LLC | Burrillville, RI | 2.3 GWh | 3.7 mi |
| Douglas Solar | Douglas, MA | 6.7 GWh | 4.6 mi |
| Hurteau Solar Project Hybrid | Uxbridge, MA | 3.1 GWh | 4.1 mi |
| MA CS Uxbridge Community Solar | Uxbridge, MA | 4.3 GWh | 4.9 mi |
| Nautilus Goat Island Solar LLC (CSG) | Burrillville, RI | 4.0 GWh | 4.7 mi |
| North Smithfield Solar Power 1 | North Smithfield, RI | 919.0 MWh | 4.9 mi |
| Ocean State Power | Harrisville, RI | 1.3 TWh | 0.1 mi |
| Palombo B Solar, LLC CSG | Uxbridge, MA | 1.6 GWh | 4 mi |
| Palombo Solar, LLC CSG | Uxbridge, MA | 3.3 GWh | 3.8 mi |
| Sutton Solar 2, LLC CSG | Sutton, MA | 1.3 GWh | 6.6 mi |
| Sutton Solar CSG | Sutton, MA | 3.1 GWh | 6.5 mi |
| Town of Burrillville Solar CSG | Burrillville, RI | 4.1 GWh | 3.9 mi |
| Town of Uxbridge MA at Commerce Dr | Uxbridge, MA | 2.7 GWh | 3.6 mi |
| TPE King Solar Holdings1, LLC (CSG) | North Smithfield, RI | 19.3 GWh | 5 mi |
| Upton Community Solar | Upton, MA | 3.2 GWh | 6.4 mi |