Retail services in relation to energy, renewable energy, electricity, and natural gas; retail services in relation to renewable energy credits; commercial management of energy use through the establishment of a system of allowances, reductions, credits, and offsets for renewable energy, pollution, carbon dioxide, and greenhouse gas emission; business and data management related to energy usage; energy usage management information services; consulting services in the field of energy usage management and energy efficiency; home energy assessment services for the purpose of determining energy efficiency or usage management; online retail store services featuring energy efficient products; billing services in the field of energy; utility bill management services, namely, tracking, reporting, analyzing and delivering energy information in the form of utility bills and utility meter data rate schedules; business management of customer utility bills, namely, tracking, reporting, analyzing and delivering energy information in the form of utility bills and utility meter data rate schedules; business management of renewable energy sources for others and business management assistance in the operation of renewable energy sources for others; online retail store services featuring energy generation and management equipment; utility bill management services, namely, tracking utility meter data schedules for generation of energy for others; providing commercial information related to energy efficiency and energy use management; business management services, namely, controlling and managing energy usage for business customers; price quotations for goods or services provided via a web site; procurement services, namely, procurement of contracts for others for purchasing electric energy for others; administration of incentive reward programs to promote the buyback purchasing of excess electricity generated by renewable energy generation systems; advertising services to promote public awareness of energy efficiency, renewable energy, environmentally-friendly energy, energy conservation, and environmental awareness; advertising services to promote public interest and awareness of renewable energy research, development, and education; energy demand response services, namely, business administration services for an incentive program to reduce energy usage during periods of high energy demand; providing commercial information, advice and consultancy related to energy, renewable energy, energy consumption, energy measurement, energy usage, energy efficiency, energy cost management, energy savings, energy assessments, energy conservation, carbon offsets, energy use and demand management, energy risk tolerance and load response, energy products and services.