
Electricity production Power stations, hydroelectric Power stations, biomass Power stations, solar energy; Electricity distribution Electricity distribution networks for domestic use Electricity distribution networks for industrial use; Gas distribution Natural gas supply services for domestic use Natural gas supply services for industrial use Town gas supply services; Water supply services Water supply services for industrial use Water supply services for agricultural use Drinking water supply services; District heating, cooling, steam and compressed air supply services District heating and hot water supply operators; Internet services Internet access providers (IAP); Electrical installation contractors Electrical power installation contractors, industrial premises Electrical power installation contractors for residential and commercial buildings; Renewable energy consultants Energy utilisation consultants Photovoltaic technology consultants; Road transport scheduled passenger services Bus and coach operators, local services; Rail transport services Public transport services, railway, city services; Land-based telecommunication operators Telephone network operators, analog Telephone network operators, digital; Telecommunications services International telephone calling services Call/contact centre operators Voice transmission via power lines (voice over power line); Radio and television operators Cable television (CATV) operators; , Commodity brokers and commodity futures brokers and dealers Electricity traders Energy brokers Energy brokers, gas Read More