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Centrica boss says era of ‘Big Six’ over

The chief executive of British Gas owner, Centrica, Iain Conn, says that the era of domination by the big six energy companies in the UK has come to an end.

UK trade group likens ‘Big Six’ utilities to Mafia

Small energy generators have accused the ‘Big Six’ UK utilities of attempting to influence the energy market in their favour.

Regulator bids to break stranglehold of UK’s ‘Big Six’ utilities

UK energy regulator Ofgem today published plans to “break the stranglehold” of the ‘Big Six’ utilities that control the lion’s share of the British electricity market.

New electricity trading rules for UK’s Big Six utilities

UK energy regulator Ofgem has today unveiled new rules for the way Britain’s ‘Big Six’ utilities must trade electricity.

UK’s ‘Big Six’ utilities avoid enforced power generation-supply split

An 18-month investigation into the UK’s energy market has confirmed consumers were overcharged a total of £1.7bn but not recommended splitting the country’s ‘Big Six’ utilities as a remedy to failings in the market.

MPs slam UK’s ‘Big Six’ energy firms and regulator over lack...

UK energy regulator Ofgem has come under fire for allowing a “lack of transparency about energy company profits” to thrive among Britain’s major power generators.

Six big challenges for the power industry

The digital transformation of energy will step up a gear in 2018, with advances in the Internet of Things and big data providing utilities with the chance to reinvent themselves, writes J. Patrick Kennedy

Six big data challenges for the power industry

The digital transformation of energy will step up a gear in 2018, with advances in the Internet of Things and big data providing utilities with the chance to reinvent themselves

SSE and Npower announce merger

The Big Six in the UK has been reduced to five with the merger of SSE and Innogy-owned Npower.

E.ON unveils plans for £736m Humber wind farm

'Big Six' energy giant E.ON has unveiled plans for a 73 turbine 219MW array in the north of England.

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