Energy management services, namely, providing a service for others that allows customers to purchase energy, namely, electricity, natural gas, and renewable energy, at a fixed rate; energy usage management information services that allow customers to reduce their energy usage in a given time period, or shift that usage to another time period, in response to a price signal, a financial incentive, an environmental condition, or a reliability signal to improve efficiency and mitigate risk; energy usage management services; procurement services, namely, purchasing energy for others; business risk management in the field of energy; energy auditing; business consulting and advisory services in the field of energy management and energy efficiency