In this subtitle the following words have the meanings indicated. “Administration” means the Maryland Energy Administration. “Program” means the Regulated Sustainable Energy Contract Program. “Qualified contractor” means a person authorized by the Administration under this subtitle to provide sustainable energy products to residential property owners under a regulated sustainable energy contract. “Regulated sustainable energy contract” means a contract between a residential property owner and a qualified contractor that: meets the requirements of § 9–20D–04 of this subtitle; and does not exceed $30,000. “Residential energy efficiency measure” means a product or an improvement to a structure that, when installed, results in a reduction of energy usage in that structure. “Residential renewable energy installation” means a product that, when installed on residential property, provides energy savings or generates energy from a renewable source.