"These tariffs are mainly for those who use night time ... Tracker and Agile Octopus tariffs, for example, can change as often as every half-hour based on wholesale energy prices.

Energy giant Octopus has thrown its weight behind a radical ... current national pricing system and instead introduce regional tariffs based on local supply and demand. More than 3,700 of the ...

"If you do, night's cheaper ... The Octopus Tracker and Agile Octopus tariffs, for example, can change as often as every half-hour based on wholesale energy prices. "This makes it difficult ...