Plant operator Southern California Edison is asking that utility customers, not shareholders, fund at least $64 million for a study that would survey seismic faults near the San Onofre plant.

On Friday, the Nuclear Regulatory Commission ordered safety changes for U.S. nuclear plants, including requirements they better assess earthquake risks and cope with incidents they were not initially designed to handle, such as prolonged power blackouts or damage to multiple reactors at the same time.

See details at San Onofre studies wait for answers – UTSanDiego 03/10/2012