Southern, Dominion and First Energy stocks up after heat and storms

Weather over the past four days has resulted in power outages, as well as demand for electricity across the U.S., and MarketWatch reports that some utilities stocks are up, while others have fallen.
Southern Co., Dominion Resources Inc., PPL Corp. and First Energy are all up by 0.3% or more in the middle of the day Monday, while GenOn Energy, Public Service Enterprise Group and NextEra Energy are all down.
Check out Utility Dive's Market section to stay up to day on where these and other stocks are at.

From the article:

Utility stocks rose Monday as hot weather gripped the eastern U.S. for the fourth day. ...