Big Six energy suppliers in the United Kingdom (UK)

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Statista Dossier giving an overview of the so-called 'Big-Six' energy suppliers in the United Kingdom (UK)

This dossier provides a range of statistics and information related to the activities of the so-called 'Big Six' energy suppliers in the United Kingdom (UK). British Gas, EDF Energy, E.ON, npower, Scottish Power, and SSE make up the Big Six, supplying energy services to the considerable majority of the market in the UK.

Table of contents

  • 1. Overall financial performance
    • Aggregate profits of the Big Six in the United Kingdom (UK) 2009-2017

    • Aggregate domestic energy supply profits of the Big Six in the UK 2009-2017

    • Aggregate non-domestic energy supply profits of the Big Six in the UK 2009-2017

    • Big Six profits through generation in the United Kingdom (UK) 2009-2017

    • Big Six non-domestic supply profits in the United Kingdom (UK) 2009-2017

    • Big six domestic supply profits in the United Kingdom (UK) 2009-2017

    • Combined revenue of the Big Six in the United Kingdom (UK) 2013 and 2014

    • Big six profit margin for supply in the United Kingdom (UK) 2009-2017

  • 2. Non-domestic energy supply profits
    • Non-domestic energy supply profits of E.ON 2009-2017

    • Non-domestic energy supply profits of EDF Energy 2009-2017

    • Non-domestic energy supply profits of RWE npower 2009-2017

    • Non-domestic energy supply profits of ScottishPower 2009-2017

    • Non-domestic energy supply profits of SSE in the United Kingdom 2009-2017

    • Centrica non-domestic energy supply profits in the United Kingdom (UK) 2009-2017

  • 3. Domestic energy supply profits
    • Domestic energy supply profits of Centrica in the United Kingdom (UK) 2009-2017

    • Domestic energy supply profits of E.ON in the United Kingdom (UK) 2009-2017

    • Domestic energy supply profits of EDF Energy in the United Kingdom (UK) 2009-2017

    • Domestic energy supply profits of RWE npower in the United Kingdom (UK) 2009-2017

    • Domestic energy supply profits of ScottishPower in the UK 2009-2017

    • Domestic energy supply profits of SSE in the United Kingdom (UK) 2009-2017

  • 4. Energy generation profits
    • Energy generation profits of SSE in the United Kingdom (UK) 2009-2017

    • Energy generation profits of ScottishPower 2009-2017

    • Energy generation profits of RWE npower in the United Kingdom (UK) 2009-2017

    • Energy generation profits of EDF Energy in the United Kingdom (UK) 2009-2017

    • Energy generation profits of Centrica in the United Kingdom (UK) 2009-2017

    • Energy generation profits of E.ON in the United Kingdom (UK) 2009-2017

  • 5. Corporate perfomance - complaint data
    • Complaints resolved by 'Big Six' UK energy companies by end of work day Q1 2018

    • Complaints received by big six energy suppliers per 100,000 customers GB 2013-2018

    • Complaints resolved within eight weeks by the 'Big Six' UK energy companies Q4 2017

    • Complaints received by 'Big Six' UK energy companies 2017, per 100,000 customers

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