Together, they're going to be called NV Energy Inc.
But officials say they're still going to be legally separate entities under Reno-based parent company Sierra Pacific Resources.
Company president and CEO Michael Yackira said Monday the move won't mean layoffs, and won't require much more than a change of signs and letterhead.
He says customers will start seeing the NV Energy Inc. name on bills pretty soon.
The company serves some 2.4 million Nevada residents statewide.