CREDIT: Shutterstock On Tuesday, California regulators issued a decision that state utilities could not charge certain fees for solar-plus-storage systems in homes and offices, clearing the way for such projects to proceed. For about a year, California’s big three utilities — Southern California Edison, Pacific Gas and Electric, and San Diego Gas And Electric — have been charging customers, be they individuals or businesses, various fees for setting up a solar system on their property that includes battery storage.