As parts of California face wildfires and the persistence of extreme dry conditions, PG&E Corp. estimates that around 90% of its wildfire risk has been mitigated by technology and program enhancements.

CEO Patricia Poppe said during a second quarter conference call that new safety settings for lines and vegetation control have helped increase safety and reliability in its most fire prone service areas of Northern California as another devastating fire season takes shape.

“We’re continuing to pursue opportunities to improve beyond the 90% risk mitigation with additional innovative technology solutions such as partial voltage smart meter alarms, and down conductor capability,” Poppe said.

The San Francisco-based combination utility has outlined capital spending of $53...