A Brief Look at Gas and Electricity Services Within the UK

The ‘Big Six’ are the largest energy providers in the UK, who serve over 80% of the market between them. The Big Six in order of how many customers they have are:

  • British Gas
  • EDF Energy
  • E.ON
  • npower
  • Scottish Power
  • SSE

The Big Six all ranked in the bottom 10 of the Which? Energy satisfaction survey 2018. The top 10 independent alternatives to the Big Six this year are:

  1. Utility Warehouse
  2. Flow Energy
  3. Octopus Energy
  4. PFP Energy
  5. Utilita
  6. Avro Energy
  7. Bulb Energy
  8. Ovo Energy
  9. Ecotricity
  10. So Energy

When switching energy provider you should consider the following:

  • What is the predicted annual cost and will this offset switching from your current supplier?
  • Are there any extras involved with a specific package?
  • Should you require both energy and gas supplies, are there any discounts?
  • Will the supplier provide free switching services if you decide to change properties in the future?