Overview
Duane Arnold Energy Center is a 679.5 MW nuclear power plant in Iowa, United States, owned by NextEra Energy Duane Arnold LLC. It provides reliable baseload power to the regional grid.
Duane Arnold Energy Center is a nuclear power plant located in Iowa, United States, with a capacity of 679.5 MW. Owned by NextEra Energy Duane Arnold LLC, it is the only nuclear power plant in the state and plays a key role in the region's energy mix. The plant operates under the regulatory oversight of the U.S. Nuclear Regulatory Commission (NRC), which enforces strict safety and operational standards. As a nuclear facility, it produces low-carbon electricity, contributing to the state's clean energy goals. The technology used is a boiling water reactor (BWR), a common design for nuclear plants of this era. Duane Arnold Energy Center provides baseload power to the Midcontinent Independent System Operator (MISO) grid, supporting thousands of homes and businesses. Its operation reduces reliance on fossil fuels, helping to lower greenhouse gas emissions in the region. The plant also contributes to local employment and the economy.
Environmental context
As a nuclear power plant, Duane Arnold Energy Center produces electricity with minimal direct air emissions, avoiding CO2, SOx, and NOx associated with fossil fuel plants. However, it generates spent nuclear fuel, which requires long-term storage and management. The plant's location in a rural area of Iowa reduces potential population exposure, and its cooling system uses water from the Cedar River, with thermal discharge regulated under the Clean Water Act.
Frequently asked questions
Duane Arnold Energy Center is located in Iowa, United States, near Palo, approximately 8 miles northwest of Cedar Rapids.
Duane Arnold Energy Center has a capacity of 679.5 megawatts (MW), making it a medium-sized nuclear power plant.
Duane Arnold Energy Center is owned by NextEra Energy Duane Arnold LLC, a subsidiary of NextEra Energy.
Nuclear power plants in the United States are regulated by the Nuclear Regulatory Commission (NRC), which enforces safety, security, and environmental standards under the Atomic Energy Act.
As a nuclear plant, Duane Arnold Energy Center generates low-carbon electricity, helping to reduce greenhouse gas emissions and support Iowa's renewable energy goals.