Retail, wholesale and distributorship services in the field of natural gas, and electricity; public utility services in the nature of natural gas, and electrical power distribution to residential, wholesale, industrial and commercial customers; production and generation of electric energy and capacity; operation and management of power production and generation and related facilities; distribution and transmission of electric energy and capacity; conducting energy audits and providing information and advice regarding the efficient use of energy; consulting services in the field of energy use, energy management and conservation, for residential, wholesale, industrial and commercial customers; promoting the interests of energy conservation and energy management via the provision of information and economic incentives to electricity users; consulting services in the field of energy conservation; consultation services in the field of energy use, distribution, conservation and management; consultation services, namely, assessment of existing energy systems