(CNN) Pacific Gas and Electric (PG&E) has submitted a $1.68 billion settlement agreement to California regulators related to fires started by its equipment in 2017 and 2018, the company said in a news release Tuesday.

The settlement agreement, which still must be approved by the California Public Utilities Commission, proposes that PG&E pay $50 million for enhancements to its electric transmission and distribution system and also prohibits the bankrupt public utility from recovering $1.625 billion in costs associated with the wildfires from ratepayers.

PG&E has been working on a settlement agreement since August.

Among the enhancements the company will make are instituting a tree crew training and certificate program, hiring an independent wildfire safety auditor and conducting quarterly public reporting on electric maintenance work, the company said in the release.

The settlement agreement announced Tuesday is separate from and in addition to the settlements PG&E has already put forward related to the fires, including a $1 billion settlement with cities and counties, $11 billion to resolve insurance claims and a proposed agreement of $13.5 billion to settle with individual victims.

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