The energy secretary has stressed that affordability is her "overriding objective", as she said reducing bills would be key to maintaining public support for climate action.
Speaking to BBC Panorama, Miatta Fahnbulleh insisted that the government's drive for cleaner power would help to cut energy bills in the long term.
But she conceded that the push to reduce carbon emissions was currently "under pressure" amid discontent at rising prices in recent years.
It comes as ministers grapple with how to respond to a predicted surge in energy prices in January, expected to mark the biggest rise in bills for four years.
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