As California's wildfire season starts, PG&E turns on enhanced powerline safety settings across all high fire-risk areas

Pacific Gas and Electric Company (PG&E) said today that its Enhanced Powerline Safety Settings (EPSS) now protect approximately 3 million people, or more than 1 million customers, who live in high fire-risk areas within the company's service area.

The safety settings turn off power within onetenth of a second when a fault, such as a tree limb coming into contact with a powerline, is detected. Last year, on 170 circuits with safety settings enabled, there was an 80% reduction in Cpuc-reportable ignitions in High Fire Threat Districts that could result in a wildfire, compared to the prior threeyear average.

Based on EPSS'S success in 2021 as a proven wildfire prevention technology, PG&E has expanded the program to more than 1,000 circuits encompassing more than 25,000 distribution line miles in high fire-risk areas this year as well as approximately 18,000 line miles in adjacent portions of the system.

Through June 1, the positive results in 2022 mirror those in 2021, as there has been an 82% reduction in Cpuc-reportable ignitions that could result in a wildfire compared to the three-year average (2018-2020).

PG&E expects that the safety settings will remain enabled on 700 to 800 of those circuits between now and the end of the wildfire season. For customers on the other approximately 200 circuits, the technology will be enabled on days when there is a Red Flag Warning and disabled when weather conditions, such as heavy coastal fog, are favorable.

Although these enhanced safety settings help keep our customers safe and prevent wildfires, they can also result in outages. Recognizing how difficult it is to be without power, PG&E is taking steps to reduce the burden of outages on customers and communities.

“When we stop ignitions, we stop wildfires,” said Mark Quinlan, the company's vice president of transmission & distribution operations. “Rest assured that we work every day to prevent outages and to expedite restoration if they do happen.”

Some of the steps PG&E is taking to reduce outages include:

• Conducting reliability and operational improvements to minimize customer impacts from outages on safety setting-enabled lines

• Pruning and removing vegetation in targeted locations to improve reliability

PG&E offers a new tool on its website, where customers can input their address and see if the safety settings are currently enabled on the circuit serving their home or business. It's available at www. pge.com/outages.

When an outage occurs on an Epss-enabled circuit, PG&E crews patrol the lines to check for damage or hazards. Patrols are done by helicopter, truck or on foot during daylight hours. In some instances, nighttime patrols are possible. So far this year, circuits enabled with EPSS have experienced 205 outages, with the average restoration time being about 3.5 hours, a nearly 50% improvement in outage duration compared to last year.