Design of solar photovoltaic systems; Technical planning of solar installation design; Monitoring of solar panels and other equipment for use in converting solar energy into electricity; Monitoring of solar power systems; Monitoring of efficiency, production levels and other performance data of solar panels and other equipment for use in converting solar energy into electricity; Monitoring of solar systems for efficiency, production levels, and other performance data of solar systems for others; Providing solar photovoltaic system evaluation services, namely, collecting data and generating models of location-specific conditions including dimensions, sunshine and shade characteristics at solar panel installation sites; Engineering services; Technical consulting services relating to engineering; Engineering and engineering consulting services, including such services in the field of energy; Pipeline design; Natural gas services, namely, metering and meter data management and analysis; Consulting services provided to hospitals, medical institutions, federal and state agencies, schools, universities, industrial companies and commercial companies in the field of development of renewable energy resources;Providing information in the field of environmental science, scientific research information relating to environmental protection, habitat conservation, and scientific research information relating to wildlife preservation; Power engineering; nuclear engineering; hydraulic engineering; energy auditing