People are being urged to submit a meter reading before October 1 to avoid unnecessary additional costs on their energy bill.
Some people may be unable to submit a meter reading, either due to a faulty meter or a supplier's website going down due to a high number of visitors - something that has happened before when bill prices were due to increase. If for whatever reason, you're unable to submit a meter reading on the eve of the price cap change, there's no need to panic.
First of all, the reason it's important to take a meter reading is that any energy you use from Saturday will be charged at a higher rate than before. By submitting a reading to your supplier, you're letting them cross-reference your bills with your usage, ensuring that you're charged a more accurate bill.
Read more: Martin Lewis issues meter reading advice on Good Morning Britain
Most suppliers will let you backdate a meter reading from around a week, therefore, if you're unable to submit a meter reading on the day, you should immediately take a picture as evidence of your meter reading - just remember to submit it as soon as you can. A website is also not the only way you can submit a reading, many suppliers have customer service email addresses or automated phone lines which may be quicker than trying to do it online.
Providing advice around meter readings, Money Saving Expert Martin Lewis has said: "Do it today, do it tomorrow, do it the next day. Most firms let you submit the reading - so take the reading today - but you can submit for up to a week.
"And in some cases up to two weeks after the date. So if you can't get through, don't worry about it, do it a couple of days later."
Martin continued: "You don't need to do a reading by the way, if you're on a smart meter that works, a prepayment meter, or you're on a very cheap fix where the price won't be changing. So everybody else should be getting a meter reading.
"But if you've got a working smart meter, you don't need to. But I'd get your meter reading done in the next few days and submit it in the next week or so".
From October, the average household energy bill will rise from £1,971 to a frozen £2,500 under the energy price guarantee announced by Prime Minister Liz Truss earlier this month. This is an increase of 27 per cent from the previous price cap, which limited the rate providers can charge customers on a standard variable tariff.
The government’s plan only caps the cost per unit that households pay, with actual bills still determined by how much energy is consumed.
Households will still receive a non-repayable £400 payment from the government as part of the cost-of-living support package, paid directly to energy accounts over six months in instalments of £66 and £67.
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