42 energy usage monitoring, metering, and analysis; remote monitoring and controlling of energy consuming and conserving devices including, heating, ventilating and air conditioning apparatus, lighting, standby generators, batteries for smoothing intermittency of renewable energy sources, for commercial, industrial, government, and residential sites for the purpose of controlling energy use; remote monitoring and controlling of renewable energy generation devices, namely, solar photovoltaic power systems and wind powered energy generation systems, for commercial, industrial, government, and residential sites; consulting services in the fields of energy measurement to improve energy efficiency and energy reliability