Once again, California is burning—and the potential liability for Pacific Gas & Electric is reaching staggering proportions. Defense counsel from firms including Cravath, Swaine & Moore; Wilson Sonsini Goodrich & Rosati and Quinn Emanuel Urquhart & Sullivan are being hard-pressed to contain it.

The for-profit utility already took a $2.5 billion charge in June to cover lawsuit payouts after investigators found its power lines sparked several blazes last summer. Some experts estimate PG&E’s total liability stemming from the 2017 Wine Country fires could top $15 billion.