Pacific Gas and Electric Co. replaced $842 million of equipment at the heart of the Diablo Canyon nuclear plant without first making sure the new gear could pass a vital seismic safety test required ...

“It may be possible to drive tree-related outages to less than 17 per 1,000 miles or to have less than 0.02 percent of trees in contact, but that would require a level of investment greater than what ...

SAN FRANCISCO (CN) — An engineer pushed for Pacific Gas and Electric to perform more rigorous tests on its pipes before a fatal gas line explosion killed eight people, but the company pushed back, the ...

Pacific Gas and Electric Co.'s reliance on a retired worker's memory to defend itself against allegations that it never tested the strength of the San Bruno natural-gas transmission line before the ...

PG&E will complete tests in April to verify that all of its natural gas pipelines are operating safely, the utility said Tuesday. San Francisco-based PG&E says it is on track to complete its ...