business management services, namely, implementing services for energy conservation on behalf of residential, commercial, institutional, municipal and government energy consumers, managing demand-side management programs, and design and implementation of methodologies and programs for energy conservation; negotiating contracts with local and out-of-state energy suppliers and energy service providers, on behalf of residential, commercial, institutional, and municipal energy consumers; business consultation in the field of efficient energy use, power demand, power control, and building and facilities management for others; procurement, namely, purchasing energy for others; and operation of a business for others, namely, independent plant operations; business consultancy services related to Enterprise Energy Management Systems, energy infrastructure controls and diagnostics; business consultancy relating to advanced metering in energy infrastructure systems; business services, namely, developing, implementing and evaluating demand-side management programs for utilities; business services, namely, commissioning and retro-commissioning of construction work for others at energy facilities; consulting services in the fields of energy management and energy conservation, including behavior change; business services, namely, designing and implementing energy conservation programs for others

construction of central energy facilities for others including boiler plants, [ cogeneration systems, ] and other renewable energy systems including solar photovoltaic, [ wind, ] biomass, [ geothermal, landfill gas, ] and digester gas systems; construction consultation services related to commissioning and retro-commissioning of work at energy facilities; construction services, namely, planning and management of HVAC system improvements, water conservation retrofits, water efficiency projects, waste water management facilities and plants; construction and installation of energy conservation plants, equipment and fixtures to reduce energy consumption and improve efficiency; consulting services in the field of construction of environmentally conscious buildings

Measurement and verification services in field of energy management and energy conservation; consulting services in the fields of energy modeling and analysis; consulting services in daylight modeling and analysis; consultancy services in the field of the development of building energy efficiency standards and building codes and the development of industry standards; consulting services in the field of environmental assessment and planning, namely, formulating standards and best practices for the environmental design, construction, and operation of buildings