Since the privatisation of the energy markets in the 90’s, the ‘Big Six’ have dominated the domestic and commercial sector. At their height, they owned 100% collectively. Since 2014 however, this grip has slackened, with reduced boundaries to entry and higher switching rates - due to improved and simplified access - eroding their market share and resulting in a 10% drop in profits to £900 million.

If you’re switching energy supplier, you might be required to provide your meter supply numbers. Known as MPAN and MPRN numbers, these figures mark out your gas and electricity meter as unique to your property.

Here’s how you can find your MPAN and MPRN numbers and how they affect the price of your energy contract.

If you’ve expressed interest in changing your energy provider, you might have come across the term ‘Letter of Authority’. In the energy industry, Letters of Authority are important, but you might be unsure what they even are, let alone why you would need one.