Edwards, currently general manager of Anaheim Public Utilities in California, will take an unpaid leave of absence to assume the three- to six-month position as of July 1, 2004.

The Cal ISO is a not-for-profit corporation charged with managing the flow of electricity on the state’s wholesale power grid.

Edwards has served at the ISO before – she was on the board of governors from the ISO's inception in 1998 until 2000, chairing the grid operations committee for most of her tenure. She also