SSE & SWALEC is the UK's 2nd largest energy supplier with 9.5 million customers and 20,000 staff across the UK and Ireland. SWALEC specifically has over 1 million Welsh customers with around 2,000 staff employed across Wales. SSE will invest over £1 billion per year in the UK and has numerous ongoing and planned energy projects in Wales, including wind farms, power stations, street lighting contracts, and a smart meter trial.