Energy regulator Ofgem has the power to save British households another £1.7 billion if it further tightens up proposed regulations that already have energy networks worried.
In a response to proposals from Ofgem which would halve the returns that the networks can take, Citizens Advice said the regulator could go even further.
The consumer champion has criticised the money that investors in energy networks are allowed to take out of the system since 2017, when it revealed the networks would make £7.5 billion in what it called "unjustified profits" over the current price control regime.
It has re-entered the debate after energy networks began to heavily lobby Ofgem for changes to suggestions that it revealed in July.
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