35 Conducting energy audits of commercial and institutional facilities for the purpose of improving energy efficiency; Consultation in the field of energy efficiency; Consulting services in the field of energy efficiency for commercial and institutional facilities; Consulting services in the field of energy usage management and energy efficiency; Consulting services in the fields of energy consumption and usage conservation to improve energy efficiency; Energy management services, namely, providing a service that allows customers to purchase energy, namely, electricity, natural gas and renewable energy, at a fixed price; Energy usage management; Energy usage management information services; Home energy assessment services for the purpose of determining energy efficiency or usage management; Information in the field of energy efficiency; Promoting the energy efficient products and services of others; Retail electricity provider services, namely, providing a service that allows customers to purchase energy, namely, electricity; Retail electricity provider services, namely, providing a service that allows customers to purchase energy, namely, electricity, and renewable 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