Largest Utility Companies In UK: Top 6 List

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Last Updated on August 2, 2022

Utility Companies In UK

The top largest and best-known energy companies in the UK are the ‘big six’ suppliers:

  • Centrica (British Gas)
  • E.ON UK
  • EDF Energy
  • Npower
  • ScottishPower
  • Scottish and Southern Energy (SSE).

Types of energy and utilities jobs

The industry is a mix of different companies involved in:

  • constructing and managing infrastructure, such as power stations
  • generating electricity using fossil fuels, nuclear or renewables
  • distributing electricity and gas around the national network
  • buying electricity and gas on the energy market and selling it to consumers
  • extracting, transporting and refining oil and gas
  • providing clean water to homes and businesses, and treating wastewater
  • enforcing industry rules and regulations.

Within these industries, graduates can work in:

  • engineering
  • finance
  • human resources (HR)
  • information technology (IT)
  • marketing and public relations (PR)
  • operational management
  • project management
  • research and development (R&D)
  • sales
  • trading.

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