From the website:
NV Energy proudly serves Nevada with a service area covering over 44,000 square miles. We provide electricity to 2.4 million electric customers throughout Nevada as well as a state tourist population exceeding 40 million annually. Among the many communities we serve are Las Vegas, Reno-Sparks, Henderson, Elko. We also provide natural gas to more than 145,000 customers in the Reno-Sparks area.