SSE PLC is an energy company. The Company is engaged in the generation, transmission, distribution and supply of electricity, in the production, storage, distribution and supply of gas and in other energy services. Its segments include Electricity Transmission, Electricity Distribution, Gas Distribution, Renewables, Thermal Generation, Gas Storage, Business Energy, Airtricity, Enterprise and Energy Portfolio Management (EPM). It owns, maintains and invests in the electricity transmission network in the north of Scotland. It holds shares in Scotia Gas Networks, which operates two regulated gas distribution networks in Scotland and the South of England. It is also engaged in the generation of power from renewable sources, such as onshore and offshore windfarms and run of river and pumped storage hydro assets in the United Kingdom and Ireland. The Company engages in the storage of gas for the purpose of benefitting from market price fluctuations.