As used in this chapter:

(1) “Department” means the Department of Energy and Environmental Protection;

(2) “Commissioner” means the Commissioner of Energy and Environmental Protection;

(3) “Energy” means work or heat that is, or may be, produced from any fuel or source whatsoever;

(4) “Energy emergency” means a situation where the health, safety or welfare of the citizens of the state is threatened by an actual or impending acute shortage in usable energy resources;

(5) “Energy resource” means natural gas, petroleum products, coal and coal products, wood fuels, geothermal sources, radioactive materials and any other resource yielding energy;

(6) “Person” means any individual, firm, partnership, association, syndicate, company, trust, corporation, limited liability company, municipality, agency or political or administrative subdivision of the state, or other legal entity of any kind;

(7) “Service area” means any geographic area serviced by the same energy-producing public service company, as defined in § 16-1;

(8) “Renewable resource” means solar, wind, water, wood or other biomass source of energy and geothermal energy;

(9) “Energy-related products” means (A) energy systems and equipment that utilize renewable resources to provide space heating or cooling, water heating, electricity or other useful energy, (B) insulation materials, and (C) equipment designed to conserve energy or increase the efficiency of its use, including that used for residential, commercial, industrial and transportation purposes;

(10) “Energy-related services” means (A) the design, construction, installation, inspection, maintenance, adjustment or repair of energy-related products, (B) inspection, adjustment, maintenance or repair of any conventional energy system, (C) the performance of energy audits or the provision of energy management consulting services, and (D) weatherization activities carried out under any federal, state or municipal program;

(11) “Conventional energy system” means any system for supplying space heating or cooling, ventilation or domestic or commercial hot water which is not included in subparagraph (A) of subdivision (9) of this section;

(12) “Energy supply” means any energy resource capable of being used to perform useful work and any form of energy such as electricity produced or derived from energy resources which may be so used; and

(13) “Energy facility” means a structure that generates, transmits or stores electricity, natural gas, refined petroleum products, renewable fuels, coal and coal products, wood fuels, geothermal sources, radioactive material and other resources yielding energy.