PUBLIC UTILITY RATES. INITIATIVE CONSTITUTIONAL AMENDMENT. Amends Constitution to provide that, during any calendar year, the Public Utility Commission shall not approve a rate or incidental charge increase by a public utility for the furnishing of energy in any form which results in a cumulative increase to the ultimate consumer exceeding 10%. For purpose of calculating maximum allowable increase in rates, specifies base year rates as those approved and in effect January 1, 1980, adjusted annually as provided in the measure. Allows waiver of this limit by a statute valid for a twelve month period following passage of the statute. Summary of estimate by Legislative Analyst and Director of Finance of fiscal impact on state and local governme...