If you follow the English Premier League, you’ll be familiar with the concept of the “Big Six” – the group of clubs considered the most prestigious in the country.
That, however, is not the only illustrious sextet in the UK.
For decades, the British energy sector has had its own Big Six, made up of the energy providers with the largest market shares across the UK.
For years, the pre-eminent forces in the country’s gas and energy sector were EDF, E.ON, British Gas, npower, Scottish Power and SSE, though, as is the case in football, the supremacy of these leaders is never quite set in stone.
More recently, the make-up of the Big Six has shifted, following some meteoric rises and strategic acquisitions.
