Xcel Energy Inc. operates as a utility provider, engaging in the generation, acquisition, transmission, distribution, and sale of electricity. Its operations are segmented into Regulated Electric Utility, Regulated Natural Gas Utility, and a broader 'All Other' category. The company generates power from a varied portfolio, encompassing conventional sources like coal, nuclear, natural gas, oil, and wood/refuse, as well as renewable options including hydroelectric, solar, biomass, and wind.