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'Big Six' energy firms to face major competition inquiry

Energy regulator Ofgem has called for the "Big Six" gas and electricity providers to face a full-scale competition inquiry.

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Centrica boss: Big energy firms 'absolutely not a cartel'

The boss of Centrica, which owns British Gas, told ITV News the 'Big Six' energy firms are "absolutely not a cartel" after Ofgem's review found evidence of possible tacit co-ordination.

The energy watchdog said it did not find evidence of explicit collusion between the firms but said the timing and size of price announcements were part of the evidence that showed possible tacit co-ordination.

Sam Laidlaw told ITV News he "refutes totally" the idea that the 'Big Six' are a cartel and claimed that the energy market is "vibrant" and "very competitive."

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