Centrica Plc engages in the provision of energy supply and services. It operates through the following segments: Retail, Optimization, and Infrastructure. The Retail segment is divided into two separate divisions: Home and Business. The Home division includes all residential retail activities across the UK and Ireland, covering home energy supply and services. The Business division brings together all business energy supply and services activities across the UK and Ireland. The Optimization segment is focused on the procurement, trading and optimization of energy predominantly in the UK and Europe, and the global procurement and sale of LNG. The Infrastructure segment deals with production and processing of gas and liquids principally within Spirit Energy; development and operation of power assets, and sale of power generated (including from nuclear assets), in the UK and Europe; and gas and LNG storage in the UK. The company was founded in 1812 and is headquartered in Windsor, the United Kingdom.