The Act focuses on setting decarbonisation targets for the UK, and reforming the electricity market.

The Act was intended by Secretary of State for Energy and Climate Change Ed Davey to "attract investment to bring about a once-in-a-generation transformation of our electricity market".

[3][4] The Act aims to maintain a stable electricity supply as coal-fired power stations are retired.

Businesses and analysts criticised the uncertainty this caused for investors, notably Balfour Beatty[5] and Ernst & Young.

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