Fixed & Variable Energy Explained | Energy Comparison (2024)

What’s a fixed rate energy tariff?

A "fixed price" energy tariff means that your unit price for gas and electricity will not change for the duration of the plan. A variable rate means your energy price can vary during the plan.

If you have a fixed price plan and your supplier announces a price rise, your rates will not change

Fixed rate tariffs offer you security, and are often some of the cheapest deals. Though you will usually be tied in for at least a year and will need to pay fees if you want to exit the fixed deal.

What’s a variable energy tariff?

A variable energy tariff is where your per-unit gas and electricity costs can vary at the discretion of your supplier.

Variable rate deals tend to be more flexible and you can normally get out of a variable rate contract without incurring any fees.

Fixed or variable tariff

Fixed versus variable energy plans

Fixed rateVariable rate
Pay the same price for your energy units for at least a yearYour per unit energy cost can go up or down
Your contract lasts one year (but might be longer)Your contract is open ended
Early exit fee of £30-£60 if you leave before your contract end date (some plans don’t charge this)No exit fee, you can leave whenever you want

Advantages of a fixed rate deal

The most obvious advantage is having a fixed price for a year, so you can easily budget your monthly expenditure.

There’s also a lot of choice as most energy suppliers offer a fixed rate plan, so the market is quite competitive.

This means you should be able to choose between the longest fix, the cheapest monthly cost, or find a plan without an early exit fee.

It’s quite likely that the cheapest energy deal available to you will be a fixed rate plan, but this isn’t always the case.

Disadvantages of a fixed rate energy plan

If the price of energy drops you could end up stuck paying above the going rate for your gas and electricity.

You can get out of your contract, but expect to pay early exit or cancellation fees. These will likely be somewhere between £25 and £60 for switching away before your tariff ends

Should you get a fixed or variable price energy plan?

Think about your current financial situation, and consider how often you’ll have the time to compare the energy market for better deals.

If a fixed plan isn’t your cheapest option, think about whether you’d prefer to pay slightly more to guarantee your energy costs won’t go up.

You can always run an energy plan comparison to see all the plans that offer savings on your current plan. Then check which of those plans are fixed rate plans.

When your fixed plan comes to an end

When your fixed plan ends your supplier will put you on their standard variable tariff. This tariff is typically their most expensive deal.

It’s likely your supplier will offer you another fixed deal before this, but this is a good time to compare all your options and consider whether you’d be better off switching to another supplier.

Fixed & Variable Energy Explained | Energy Comparison (2024)

FAQs

What is the difference between fixed and variable power? ›

A variable rate means your energy price can vary during the plan. Fixed rate tariffs offer you security, and are often some of the cheapest deals. Though you will usually be tied in for at least a year and will need to pay fees if you want to exit the fixed deal.

What is the difference between fixed rate and variable-rate power? ›

In short, with a variable-rate plan, consumers have a bit more control over their energy rate, but less control over their monthly electricity bill – and that works for many people. Fixed-rate customers pay an agreed upon energy rate over a longer period and enjoy a more predictable bill.

Should I do variable or fixed gas? ›

The biggest difference between variable-rate vs. fixed-rate plans is certainty. Fixed rates mean monthly bills you can plan for more easily. So, if you want a predictable budget, a fixed-rate plan is likely a better option for you.

Is electricity a fixed or variable cost? ›

However, the cost of electricity is a variable cost since electricity usage increases with the number of products that are produced or manufactured. In short, if the total cost associated with the cost object changes when the production amount changes, it's likely a variable cost.

What's the difference between fixed and variable? ›

Fixed costs are expenses that remain the same no matter how much a company produces, such as rent, property tax, insurance, and depreciation. Variable costs are any expenses that change based on how much a company produces and sells, such as labor, utility expenses, commissions, and raw materials.

Is it better to go variable or fixed? ›

Fixing your mortgage for a set period means that you can ensure a large degree of financial stability. But going with a variable rate or tracker mortgage can mean your monthly outgoings may drop when interest rates come down.

How do fixed and variable rates compare? ›

With fixed-rate mortgages, you have one set-in-stone interest rate for the entire term of your mortgage. With variable-rate mortgages, your rate will go up or down based on the prime market rate, set by your bank or lender. For both types of mortgages, your regular payments remain the same.

What is the difference between current fixed rates and variable? ›

Fixed and variable rate home loans

Variable rate home loans tend to be more flexible, with more features (e.g. redraw facility, ability to make extra payments); fixed rate home loans typically do not. Fixed rate home loans have predictable repayment amounts over the fixed term, variable rate home loans do not.

What is the difference between fixed and variable rate APR? ›

An APR is a yearly interest rate used to measure the cost of borrowing credit and any changes to your rate could affect your repayment plans. A fixed APR will not be adjusted due to changes in prime rates while a variable rate can fluctuate based on current prime rates.

What time of year is natural gas the cheapest? ›

Though prices can fluctuate depending on supply/demand fundamentals, natural gas prices are often at their lowest during the fall and spring seasons. These are known as the “shoulder” seasons, when weather is mild and demand is low.

What is the difference between fixed and variable electricity rates in Texas? ›

A fixed-rate plan might save you money if your electricity usage is high during peak demand periods. For most Texans, fixed-rate electricity plans make the most sense. If your usage is lower and you can handle some fluctuation in your bill, a variable-rate plan might be more cost-effective.

Is natural gas a fixed or variable cost? ›

With utilities like electricity and water, you have a monthly bill that you have to pay a certain rate for. Natural gas, however, is a little bit different. With your natural gas provider, you can choose whether or not you want to have a fixed or a variable rate for your usage. A fixed rate is pretty self-explanatory.

Are home utilities fixed or variable? ›

° Fixed expenses: Expenses, like bills, that must be paid each month and generally cost the same amount. Some fixed expenses, like a utility bill, may also be variable because the amount changes each month depending on usage. ° Variable expenses: Expenses that change in amount from month to month.

Are utilities a variable or fixed cost? ›

Utilities– the cost of electricity, gas, phones, trash and sewer services, etc. Some utilities, such as electricity, may increase when production goes up. However, utilities are generally considered fixed costs, since the company must pay a minimum amount regardless of its output.

Is heating a variable cost? ›

Fixed costs include, for example, rent, monthly leasing costs, insurance premiums and electricity and heating costs. Variable costs, on the other hand, depend entirely on manufacturing and merchandise or provision of services.

What is the difference between fixed and variable power supply? ›

A fixed power supply is designed to provide a “fixed” (non-adjustable) voltage. A variable power supply is designed to proved an adjustable range of voltages. The fixed is less expensive. The adjustable is more typically used in a lab or shop.

What is the difference between a fixed and variable term? ›

With a fixed-rate mortgage, payments you make each month will stay the same for the full duration of the mortgage term. With a variable-rate mortgage, while the amount you pay stays the same through the term, the amount that goes toward interest can fluctuate.

What is the difference between fixed and variable capacitance? ›

There are two major types of capacitors: fixed and variable. Fixed capacitors have set capacitances because the parallel sheets of metal are at a fixed distance apart, while variable capacitors have the ability to change based on manipulation of the parallel plates.

What is the difference between a fixed and variable contract? ›

Unlike a fixed annuity, which pays a fixed rate of return, the value of a variable annuity contract is based on the performance of the investment subaccounts that you select. These subaccounts fluctuate in value with market conditions and the principal may be worth more or less than the original cost when surrendered.

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