Those were “PSPS” events late last summer in California...”Public Safety Power Shutoffs”...to prevent wildfires. These are “California Independent System Operator” mandated shutoffs to prevent wider/longer blackouts (overtaxed high voltage lines and lack of generation after solar goes offline at sunset...”green” power debacle).
http://www.caiso.com/Pages/default.aspx
http://www.caiso.com/TodaysOutlook/Pages/default.aspx
thanks for the clarification :)