37 Construction, operation and maintenance of electricity generation plants; offering technical assistance in the construction, commissioning, operation, maintenance, servicing, refurbishment and de-commissioning of nuclear, thermal, hydro, and renewable electric energy generation facilities, namely, plants and nuclear, thermal, hydro, and renewable electric energy generation equipment; maintenance of energy storage equipment using water systems, compressed air systems, battery systems, thermal systems, geothermal systems or power to gas systems to support customer load management and grid balancing of energy transmission and distribution systems; maintenance of electrification infrastructure, namely electrification systems and associated equipment, using charging systems, energy storage systems, renewable energy systems, and associated controls and metering, to support personal vehicles, fleet vehicles, transit, rail, and marine vehicles; construction project management services in the field of construction of electricity generation plants and associated facilities; construction of energy and power generating plants; creation and maintenance of electrical infrastructure namely, electrification of transportation infrastructure for alternative fuel vehicles, namely, charging stations, energy management technology for the control and monitoring of electricity consumption, solar energy, electricity transmission facilities, and power lines, power generation facilities, electric meters, hydroelectric systems, wind power systems and other renewable energy systems; construction of electric power stations; construction, development, operation, and maintenance of electricity generation plants and associated equipment; refurbishment and de-commissioning of nuclear, thermal, hydro, and renewable electric energy generation facilities, namely, plants; maintenance of electrification systems using charging systems, energy storage systems, renewable energy systems, and associated controls and metering, to support personal vehicles, fleet vehicles, transit, rail, and marine vehicles; maintenance of energy storage equipment using water systems, compressed air systems, battery systems, thermal systems, geothermal systems or power to gas systems to support customer load management and grid balancing of energy transmission and distribution systems