SSE plc is an energy company. The Company invests in, develops, builds and operates electricity infrastructure and businesses need for a clean, secure and affordable energy system. Its diversified portfolio includes onshore and offshore wind farms, hydroelectric power, solar and batteries, flexible thermal generation and electricity transmission and distribution networks. The Company also provides energy products and services for businesses and other customers. Its segments include SSEN Transmission, SSEN Distribution, SSE Renewables, SSE Thermal, Gas Storage, SSE Business Energy, SSE Airtricity, and SSE Energy Markets. SSEN Transmission owns, operates and develops the high voltage electricity transmission system in the north of Scotland. SSEN Distribution, operating under licence as Southern Electric Power Distribution plc (SEPD) and Scottish Hydro Electric Power Distribution plc (SHEPD), serves various homes and businesses across central southern England and the north of Scotland.