The California Public Utilities Commission has raised concerns over certain deficiencies that it says could affect PG&E Corp.’s ability to provide safe and reliable service, the power provider disclosed in a regulatory filing on Wednesday.

The regulator, in a letter dated Tuesday, said it will require remediation on specific issues identified in the San Francisco-based utility’s wildfire mitigation plan progress reports.

PG&E emerged from bankruptcy in July, marking an end to a long-drawn restructuring process which began after its equipment sparked some of the deadliest wildfires in California.

CPUC said its concerns arose from what appeared to be a pattern of vegetation and asset management deficiencies.

The regulator said its staff had “identified a volume and rate of defects in PG&E’s vegetation management that is notably higher than those observed for the other utilities.”

Read more