Construction, installation, maintenance, and repair services in the field of solar photovoltaic, grid-connected systems for both residential and commercial consumers, consisting of single-home rooftop solar panel systems, business rooftop systems, and community projects, namely, construction project planning, general construction contracting, installation and maintenance of solar thermal installations, installation and maintenance of solar energy systems for residential and commercial use; integration, maintenance and repair and upgrading of electric battery systems, and consulting related thereto, for the storage, discharge, supply, transmission and stabilization of electricity