LAS VEGAS--(BUSINESS WIRE)--Feb. 13, 2008--Sierra Pacific Resources (NYSE:SRP) today announced that Robert Stewart is joining the company as vice president of marketing, a newly created position, effective immediately.

Stewart has approximately 25 years of utility industry experience with a focus on marketing, management and strategic planning. In his position, he will oversee energy efficiency and conservation programs as well as major account activities for the company's two utility subsidiaries, Sierra Pacific Power Company and Nevada Power Company. Stewart will report to Michael Yackira, president and chief executive officer of Sierra Pacific Resources.

"Bob's vast expertise will serve us well in our effort to expand our energy efficiency and conservation programs as we increase our focus on all customer segments," said Yackira.

For the past decade, Stewart has worked as an independent consultant for several entities including energy service and telecommunications organizations. His prior experience includes five years as vice president of marketing for Florida Power & Light in Miami and 20 years with GTE in increasing levels of responsibility where in his last position he served as vice president of product management of the company's national telephone operating group. He holds a master's and bachelor's degree in business from Washington State University. His office will be located in Las Vegas.

Headquartered in Nevada, Sierra Pacific Resources is a holding company whose principal subsidiaries are Nevada Power Company, the electric utility for most of southern Nevada, and Sierra Pacific Power Company, the electric utility for most of northern Nevada and the Lake Tahoe area of California. Sierra Pacific Power Company also distributes natural gas in the Reno-Sparks area of northern Nevada.