United States

Southwestern — 658 MW Natural Gas

Natural Gas Verified

Southwestern is a 658 MW gas power plant located in United States of America. View location, capacity, and technical details.

Capacity
658 MW

Installed

Commissioned
1974

Year online

Owner
Public Service Co of Oklahoma

Operator

Location
35.10, -98.35

Coordinates

Insights

#654
largest in United States of America
#1,287
largest Natural Gas worldwide
#3,718
largest worldwide
1974
25 yrs older than avg
7
operated by Public Service Co…
32
plants within 100 km

Technical Details

Fuel Type
Natural Gas
Capacity
658 MW
Commissioned
1974
Status
Operational
Owner
Public Service Co of Oklahoma
Country
United States
Coordinates
35.101, -98.352

Carbon Footprint

Annual CO₂
1,270,980 t

tonnes / year

Lifetime CO₂
38,129,389 t

over ~30 yrs

Intensity
490 g

Est. gCO2/kWh

Annual emissions equivalent to

276,300
cars per year
169,464
homes per year
57,771,802
trees to offset

Indicative estimate from standard life-cycle emission and capacity factors — not a measured figure. Open calculator

Nearby Plants

About this plant

The Southwestern Power Plant, with a capacity of 658 megawatts (MW), is a gas-fired power generation facility located in the United States. Owned by the Public Service Company of Oklahoma (PSO), this power plant has been a vital component of the regional energy landscape since its commissioning in 1974. As a gas-fired facility, Southwestern plays a significant role in the energy sector by providing reliable and flexible power generation that supports both peak demand periods and base load energy requirements across the region.

Natural gas, the primary fuel source for the Southwestern Power Plant, is known for its efficiency and lower carbon emissions compared to traditional coal-fired power plants. The use of natural gas in power generation has grown substantially in recent years due to advancements in extraction technologies, such as hydraulic fracturing and horizontal drilling, which have made it more accessible and cost-effective. The combustion of natural gas generates electricity with significantly reduced emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx), which are key contributors to air pollution and acid rain. As a result, the Southwestern Power Plant aligns with environmental regulations and contributes to the overall reduction of greenhouse gases in the atmosphere when compared to older fossil fuel plants.

In terms of technical specifications, the Southwestern Power Plant utilizes combined cycle technology, which enhances its operational efficiency. This technology captures waste heat from the gas turbines and uses it to produce steam that drives a steam turbine, thereby maximizing energy output from the same amount of fuel. This dual-generation approach not only increases the overall efficiency of the plant but also minimizes fuel consumption and emissions, making it a more environmentally friendly option in the fossil fuel category.

The Southwestern Power Plant holds regional significance as it helps to stabilize the electricity supply for Oklahoma and surrounding areas. Its ability to quickly ramp up production makes it a critical asset during periods of high demand, such as during extreme weather conditions when electricity consumption spikes. Furthermore, the plant contributes to the overall energy mix of the region, which is increasingly moving towards cleaner and more sustainable energy sources, including renewables. As the United States continues to transition to a more diversified energy portfolio, plants like Southwestern serve as a bridge, providing essential power while supporting the growth of renewable energy resources.

Overall, the Southwestern Power Plant exemplifies the shifting dynamics of the energy sector in the United States, illustrating the balance between maintaining reliable energy supply and addressing environmental concerns. Its operational history and ongoing contributions highlight the importance of natural gas as a transitional fuel in the country’s journey towards a more sustainable energy future.

More Natural Gas plants

Spotted an error?

Our data is community-verified. If any detail looks wrong or out of date, suggest a correction below — our team reviews and applies approved changes across all languages.