Crews work on stopping a methane gas leak at a well in Aliso Canyon near the Porter Ranch area of Los Angeles County in December 2015, the then-largest methane gas leak in the nation’s history. Dean Musgrove/Los Angeles Daily News via AP
LOS ANGELES — Southern California Gas Company says costs related to the massive leak of natural gas from its Aliso Canyon storage facility near Los Angeles have risen to $717 million.
The new estimate is contained in Thursday’s release of second-quarter earnings by San Diego-based parent Sempra Energy.
