Southern California Edison “believes its equipment may be associated with the ignition of the Hurst Fire,” the utility wrote in a statement Thursday. Any utility or power company operating in California must file a notice with the state’s Public Utility Commission if there is reason to believe their equipment may have been the cause of a fire.

Southern California Edison, a unit of utility Edison International , was hit by multiple lawsuits on Monday claiming its electrical equipment started one of the major wildfires currently raging in the Los Angeles area,