The Denver airport, the sixth-busiest in the world, gets its electricity from Xcel Energy. About 30% of its electricity comes from solar energy. Washington said the airport has increased its electric vehicle fleet and is saving electricity, natural gas and water through energy efficiency measures.

Denver is planning to look at the feasibility of nuclear power generation for Denver International Airport. Denver Mayor Mike Johnston and Denver International Airport CEO Phil Washington will make a joint announcement Wednesday about studying what are called small module nuclear reactors.

DENVER — Denver International Airport (DIA) is celebrating a big milestone in its yearslong Great Hall renovation project. The airport opened the new East Security TSA checkpoint at 3 a.m. Tuesday. DIA said the new state-of-the-art checkpoint features 17 lanes and will enhance security operations and efficiency.