Renewable Energy Sources; Authorizes public educational customers to enter into contracts for renewable energy source devices; requires electric utilities to provide meter aggregation to certain customers; authorizes net metering under specified conditions; requires electric utilities to adopt tariff; authorizes nonprofit corporations or commercial or industrial business owners, or third parties, to install, maintain, & operate renewable energy source device; authorizes sale of electricity by the devices; exempts from regulation sale of electricity produced by such devices; allows public customers to use renewable energy generating systems on specified properties; authorizes aggregation of electricity for net metering purposes; prohibits certain costs associated with such systems from being included in calculation of total cost per student station.; providing an effective date.