NGG Stock, National Grid Transco PLC PLC American Depositary Shares Information

National Grid is a holding company. Through its subsidiaries, Co. is a network utility company engaged in the transmission and distribution of energy, the provision of wireless infrastructure and other businesses in related markets, based mainly in the United Kingdom and the United States. Co. also provides other activities including metering services, liquefied natural gas facilities and property in the United Kingdom, as well as electricity interconnectors in the United Kingdom and Australia. As of Mar , Co. had approx. , , electricity customers in the northeastern U.S. and approx. , gas customers in upstate New York.