Heat pumps promise cheaper, cleaner heating – but does the reality live up to the hype? We assess Octopus Energy’s Cosy ...

Octopus Energy has announced the roll out of a new "social tariff" that could reduce annual energy bills by up to £200 for ...

Octopus Energy says that certain customers could receive up to 90% off their electricity bills if they install a specific device at home. Octopus Energy is highly regarded as one of the UK's leading ...

Octopus, the UK's largest energy firm, is rolling out 'Britain's first smart energy tariff', it has said.