Harry L. Oswald Gas Power Plant, Arkansas | United States Power Generation

Harry L. Oswald is a gas-fired power plant located in Arkansas, United States, with a capacity of 599.5 MW. Owned and operated by Arkansas Electric Coop Corp, the facility plays a significant role in the state's power generation mix, supporting residential, commercial, and industrial demand. The plant operates under the regulatory framework of the U.S. Environmental Protection Agency (EPA), including the Clean Air Act (CAA) and associated programs such as the Acid Rain Program and the Cross-State Air Pollution Rule (CSAPR). As a gas-fired facility, it benefits from lower emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) compared to coal plants, aligning with modern environmental standards. As a medium-to-large scale gas plant, Harry L. Oswald contributes to grid reliability and energy security in Arkansas. Its operational status ensures continued service to the community, while its fuel type positions it favorably in the transition toward cleaner energy sources.

The plant's gas fuel type results in lower CO2, SOx, and NOx emissions per MWh compared to coal-fired generation. Its location in Arkansas, a state with moderate population density, reduces direct exposure risks to large urban populations. The facility's capacity of 599.5 MW places it in a medium-to-large scale category, and its technology likely includes combined cycle or simple cycle gas turbines, which are subject to EPA emissions standards.