Overview
McNary is a 990.5 MW hydroelectric power plant located on the Columbia River in the United States, operated by the USACE Northwestern Division. It provides renewable energy to the Pacific Northwest grid.
McNary is a hydroelectric power plant with a capacity of 990.5 MW, situated on the Columbia River in the United States. The facility is owned and operated by the USACE Northwestern Division and is currently operational, contributing to the region's renewable energy portfolio. The plant utilizes hydroelectric technology, which is a well-established and low-emission power generation method. In the United States, hydroelectric facilities are regulated under the Federal Energy Regulatory Commission (FERC) licensing requirements, ensuring environmental stewardship and operational safety. The Columbia River system is a major source of hydropower in the Pacific Northwest. McNary plays a significant role in the regional power grid, providing clean, renewable electricity to communities and industries. Its operation supports grid stability and reduces reliance on fossil fuels, aligning with broader environmental goals for carbon emission reduction.
Environmental context
Hydroelectric power generation at McNary produces no direct CO2, SOx, or NOx emissions, making it a low-carbon energy source. However, the facility's operation can affect local aquatic ecosystems and fish migration patterns. The Columbia River basin supports salmon runs, and fish passage facilities are typically integrated into such projects to mitigate ecological impacts. The plant's large capacity (990.5 MW) indicates a significant water flow and reservoir footprint.
Frequently asked questions
McNary is located on the Columbia River in the United States, with coordinates 45.9402° N, -119.2988° W.
McNary has an installed capacity of 990.5 megawatts (MW), making it a large-scale hydroelectric facility.
The plant is owned and operated by the USACE Northwestern Division, a branch of the U.S. Army Corps of Engineers.
Hydroelectric plants in the U.S. are regulated by the Federal Energy Regulatory Commission (FERC) under the Federal Power Act, which governs licensing, environmental compliance, and operational safety.
Hydroelectric power produces no direct air emissions, such as CO2, SOx, or NOx, and provides renewable energy. However, it can impact aquatic ecosystems, and mitigation measures like fish ladders are often implemented.