[2] In 2023, the electrical energy generation mix was 44.6% coal, 29.7% wind, 17.2% nuclear, 5.8% natural gas, 2.1% hydroelectric, 0.2% biomass, 0.2% solar, and 0.1% petroleum.
Distributed small-scale solar, including customer-owned photovoltaic panels, delivered 49 GWh to the state's electricity grid in 2023.
It is an increasing harvester of wind energy and a major producer of biofuels (primarily ethanol), with further potential for biomass generation.
It was a top-ten state for per-capita energy consumption in 2019 due in large part to its energy-intensive agriculture, meat packing, and food processing industries.
A Kearney canal and dam were completed in 1886, water powered a DC current dynamo by 1889, and an elegant brick powerhouse was constructed in 1890 that also housed a steam engine along with an 800 horsepower turbine.