Variable Rate Plans: Designed as month-to-month contracts, these plans are in total control of your energy provider, which can shift the price you pay per kWh at its discretion. This means you, the consumer, are in a better place to reap the benefits when the energy market falls — but it also means you're at risk for hikes in prices, whether as a result of natural disasters or the provider's bottom line. Variable plans always offer a full year of price history to show the average price per kWh so you can get a sense of what you're getting into (like this one from Reliant) and know this: Variable plans don't have cancellation fees. You can cut your service at any time — a huge incentive for REPs to keep their prices reasonable.
^EHL Collective Fixed 1 Year Oct 2018 tariff costs an average £1,045 a year. It is £176 less than the current typical cost of a UK gas and electricity bill of £1,221 a year. ^^EHL Collective Fixed 2 Year Oct 2018 tariff costs an average £1,076 a year. It is £145 less than the current typical cost of a UK gas and electricity bill of £1,221 a year. These costs are for an average UK home paying by monthly direct debit on a standard gas and electricity tariff with a Big Six supplier. Average usage is currently defined by the energy regulator Ofgem as 12,000 kWh of gas and 3,100 kWh of electricity per year. The amount you actually pay will depend on your usage. Prices correct as of 17.10.2018. Both tariffs are not available for Economy 10 and Prepayment meter customers. The tariffs are expected to be available until 21.11.2018 but could be pulled from the market earlier if application levels are very high.
 1.     Contracts:  Before, there were no contracts.  You signed up or you didn’t.  When it’s the only game in town, you have to play by their rules.  Nowadays, you’ll see these ultra-fabulous rates bandied about but it’s only by carefully scrutinizing the fine print that you’ll discover those wonderful rates come with a one-year lock-down or other catches.
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