Prices have jumped an average of £ 139 per year, to £ 1,277, after regulator Ofgem raised its price cap on standard variable tariffs to allow suppliers to recoup increased wholesale costs.
Households with prepayment meters have seen prices rise by an average of £ 153 per year, even more economical.
Others who have cut cheaper fixed rate energy deals are also hit by unprecedented bills.
Joe Malinowski, founder of the energy price comparison website TheEnergyShop.com, said: “The switching market has practically come to a standstill.
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“The only alternative people really have right now to reduce their energy bills is to reduce the amount of energy they are using. “
Together with the Energy Saving Trust, the Mirror has selected 12 tips that could save a typical household around £ 378 per year.
Some are relatively inexpensive – or cost nothing – while others involve a significant outlay, which may not be possible for everyone at the moment.
Here’s how you can use less energy, help the environment and save money …
Heating – save £ 80 per year
More than half of a typical household’s gas bill is spent on heating and hot water.
Only run the heater during the day if you are at home and plan to heat only the rooms you use.
Each degree to which you turn down the thermostat will usually save a household around £ 80 per year – but many already have it at the bare minimum due to the cost.
Lights – save £ 50 per year
With more people at home during the Covid pandemic, it’s understandable that households have turned on the lights more.
But try to avoid turning on the lights during the day unless you need to.
Making sure everyone turns off all lights when leaving a room can save up to £ 15 a year.
Replacing inefficient bulbs with LEDs would cost the average household £ 100, but save around £ 35 a year on their bills.
With the lights out, that’s a savings of £ 50 per year.
TVs – save £ 7 a year
TVs can be the most power hungry of all the entertainment gadgets because the bigger the screen, the more power they use.
If you’re buying a new TV, going for a 40 inch screen TV with an A rating for higher energy efficiency than a 60 inch equivalent would save you £ 5 a year.
On a 32 inch, the savings are £ 7 per year.
Computers – save £ 19 per year
Laptops typically use 85% less electricity over a year than desktop computers.
Choosing a laptop over a desktop and cutting down on sleep could save the average person up to £ 19 a year.
Tablet computers consume even less power – typically using 70% less power than laptops.
Dishwasher – save £ 7 per year
If you have a dishwasher, almost 8% of your electric bills are likely to keep working.
A typical dishwasher costs £ 25 to £ 45 per year.
Still, a slim model typically costs between £ 20-35.
The most efficient dishwashers on the market have a D rating and cost almost £ 11 less per year than the lowest rated dishwashers you can buy of the same size and they use less water.
Draft proof – save £ 22 per year
Blocking out spaces around doors and windows is a relatively inexpensive way to save energy and money.
Some form of ventilation helps reduce condensation and humidity, letting in cool air when needed.
Sealing a typical gas semi-detached house could save you around £ 25 per year.
If you have an open chimney, installing a removable draft hood can save an additional £ 18 per year.
Water tank – save £ 18 per year
A hot water tank jacket costs around £ 15.
Installing one is a simple job and could reduce your annual energy bill by £ 18.
If you already have a jacket around your tank, check the thickness: it must be at least 80 mm.
Another inexpensive option is to install reflective radiator panels.
Switch off appliances – save £ 35 a year
Many homes leave electrical devices, including televisions, in standby mode, rather than turning them off at the outlet.
Many are on all day, consuming electricity unnecessarily.
Birmingham Post and Courier)
The average UK household spends £ 35 a year powering appliances left on standby.
And unplug all chargers when not in use, especially those that have display lights.
Showers – save £ 70 per year
Spend a minute less in the shower each day and save up to £ 7 per person per year on your energy bills.
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Use a water efficient shower head and a household of four could save an additional £ 70 per year on gas for water heating.
Kettles – save £ 6 per year
Kettles are one of the most widely used appliances in the kitchen, but almost three-quarters of people boil more water than is needed for a cup of tea.
Experts recommend getting an eco-friendly kettle, which can keep any boiled water hot for about four hours.
Or just avoiding overfilling can save the average household £ 6 a year on their electricity bill.
Fridges and freezers – save £ 24 a year
They’re on 24/7 and are some of the most durable appliances in our homes, so it’s worth finding energy efficient models.
The energy labeling scales run from A to G and choosing a better quality fridge-freezer can have a big impact on running costs.
Choosing a D-rated fridge-freezer over one that is rated G will save the average household around £ 420 in energy bills over the product’s 17-year lifespan, or £ 24 per year.
Floors – save £ 40 per year
Insulating the ground floor is a good way to keep houses warm.
Wooden floors can be insulated by lifting the planks and installing mineral wool insulation.
Insulating under parquet on the ground floor can save you around £ 40 per year in an average property, or up to £ 70 if you live in a detached house.