PHOENIX — Arizona regulators are asking electric utilities in the state to
say whether they’re prepared for security threats ranging from cyberattacks to
penetrations of equipment and facilities.
Corporation Commissioner members Bob Stump and Bob Burns are posing numerous
questions on security preparedness in a letter they sent to Arizona Public
Service Co., Tucson Electric Power, the Salt River Project and an association of
The letter opened by citing a 2013 attack in which snipers damaged equipment at
a California substation. The perpetrators haven’t been apprehended.