Energy management services, namely, providing a service that allows customers to purchase energy from various energy providers; Energy price comparison services; Energy usage management; Energy usage management information services; Business consulting and advisory services in the field of energy efficiency; Business consulting services in the fields of energy measurement to improve energy efficiency within residential, commercial, industrial and institutional facilities; 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; 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; Providing economic consultation in the field of energy management; Tracking and monitoring energy usage for others for account auditing purposes; Tracking and monitoring energy usage for others for cost accounting purposes