Formed on December 14, 1998, through the merger of Scottish Hydro-Electric plc and Southern Electric plc, and renamed SSE plc in 2011, SSE plc is a leading British energy infrastructure company headquartered in Perth, Scotland, U.K. The company has a long history in electricity generation, networks, and energy supply. Today, it operates primarily in the United Kingdom and Ireland, with activities in renewable generation, flexible energy, electricity transmission and distribution networks, and energy-related solutions for business customers. SSE serves a central role in supporting electrification, energy security, and the transition to net zero through large-scale investment in critical electricity infrastructure. As of March 31, 2025, the company employed 15,824 people. For the year ended March 31, 2025, SSE reported revenue of GBP 10.132 billion and adjusted operating profit of GBP 2.419 billion, reflecting its position as one of the United Kingdom’s most significant electricity infrastructure and energy transition companies.
Updated 2026-03-20