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Can you switch from a Feed-In Tariff or export tariff?
Yes, in some cases you can switch tariff, but it depends on what scheme you are currently on. Many UK households with older solar panels are on the Feed-In Tariff, often called FIT. Others may be on a newer export arrangement, such as the Smart Export Guarantee, or a tariff offered by their energy supplier.
Before making any change, it is important to check the terms of your current agreement. Some tariffs are tied to your installation date or to a specific meter setup. Switching without understanding the rules could mean you lose benefits you are already entitled to.
Feed-In Tariff vs solar export tariff
The Feed-In Tariff was designed to pay households for generating solar electricity and, in many cases, for exporting some of that power to the grid. It is now closed to new applicants, but many existing customers still receive payments. If you are on FIT, your payments may include both generation and export elements.
A solar export tariff is different because it usually only pays for electricity sent back to the grid. These tariffs are common under the Smart Export Guarantee. They are offered by energy suppliers and rates can vary widely, so it is worth comparing them carefully.
When switching may make sense
Switching can make sense if your current export rate is very low and another supplier offers a better deal. This may be especially relevant if you have upgraded your system, changed suppliers, or now export more electricity than before. A better export rate can improve the return from your solar panels.
However, if you are on a legacy Feed-In Tariff, leaving it is not always a good idea. FIT payments can be more valuable than modern export tariffs, particularly for older systems with favourable generation payments. In many cases, staying put is the better financial choice.
Things to check before you switch
Start by looking at your current tariff documents and your latest bills or statements. Check whether you are receiving generation payments, export payments, or both. You should also confirm whether your solar meter is compatible with the tariff you want to move to.
It is also sensible to compare how payments are calculated. Some export tariffs pay a fixed rate, while others may vary by time of day. Make sure you understand whether the switch could affect your income, your meter setup, or any other benefits linked to your current scheme.
How to decide what is best
The best option depends on when your solar system was installed and what tariff you already have. For many homeowners on FIT, the simplest answer is to stay where they are unless there is a strong reason to change. For others, especially those on a standard export deal, switching could lead to better returns.
If you are unsure, ask your energy supplier or a qualified solar installer for help. They can explain whether you are allowed to switch and whether it is likely to be worthwhile. Taking a few minutes to compare tariffs can make a real difference over time.
Frequently Asked Questions
Feed-In Tariffs vs solar export switching to different tariff refers to comparing a legacy Feed-In Tariff arrangement with moving exported solar electricity to a different export tariff. The key difference is that older Feed-In Tariff schemes usually paid for both generation and export, while newer arrangements typically pay only for exported power at a separate rate.
Eligibility depends on the specific tariff, meter setup, installation date, supplier rules, and local regulations. In many cases, older solar systems may remain on legacy Feed-In Tariffs if they were registered correctly, while newer systems may need to use a separate export tariff or smart export arrangement.
In many cases, yes, but switching depends on the terms of the current arrangement and the supplier offering the new tariff. Some households may give up legacy Feed-In Tariff benefits if they move to a different export tariff, so it is important to compare total value before changing.
The main difference is that Feed-In Tariffs often include a generation payment plus an export payment, whereas a different export tariff usually pays only for the electricity sent to the grid. The total earnings can be higher or lower depending on the rates, export volume, and whether any generation payment is lost.
Smart metering can be important because many export tariffs rely on accurate half-hourly or interval export readings. Some legacy Feed-In Tariff setups use estimated export or older meters, while switching to a different tariff may require a smart meter or compatible export meter.
It can. Legacy Feed-In Tariffs often include a generation payment for all eligible solar electricity produced, but switching to a different export tariff may remove or alter that benefit. You should confirm whether the generation payment continues before changing supplier or tariff.
Some systems may need no change if they already have a suitable smart or export meter, while others may need an installation or meter replacement. The exact requirement depends on the tariff rules, the inverter setup, and whether the supplier can verify exported electricity accurately.
Export rates under legacy Feed-In Tariffs are often fixed by the scheme or contract, while newer export tariffs can be variable, fixed, or time-of-use based. A different tariff may pay more during high-price periods or less during low-price periods, so the best option depends on your export pattern.
It depends on your current payment rate, how much you export, and whether switching would remove any generation payment or other protection. A household with a strong legacy Feed-In Tariff may be worse off after switching, while another household may benefit from a newer export tariff with better export rates.
The timeline varies by supplier and meter requirements. If no meter work is needed, a switch may take a few weeks, but if a smart meter installation or export verification is required, it can take longer.
Usually you may need proof of installation, the generation meter serial number, export meter details, and account information for the property. Some suppliers may also ask for commissioning dates, inverter details, or evidence that you are the current account holder.
Yes, but the right to receive payments usually depends on who owns the system and who is named on the tariff account. For rented properties, the landlord, tenant, or a managing agent may need to confirm ownership and consent before changing to a different export tariff.
If there is no export meter, the system may have historically relied on deemed export or an estimated arrangement under a legacy tariff. Switching to a different tariff may require an export-capable meter so the supplier can measure actual exported electricity.
Yes, battery storage can change export patterns and therefore the value of different tariffs. A battery may reduce exports by storing solar energy for later use, which can lower export payments but increase self-consumption and reduce grid purchases.
Rules vary by country and personal circumstances. In some places, payments from solar tariffs may be treated differently for tax purposes, especially if the system is large or business-related, so it is wise to check local tax guidance before switching.
The main risk is missing out on a tariff that could pay more for your exported electricity or suit your usage better. However, leaving a good legacy arrangement unchanged may be the best choice if it still provides strong generation and export payments.
Compare the generation payment, export rate, contract length, meter requirements, exit fees, and whether payments are fixed or variable. You should also estimate your annual export volume and total solar savings, not just the headline export rate.
Sometimes yes, but not always. If you leave a legacy Feed-In Tariff, you may not be able to rejoin it later, so reversal depends on scheme rules and supplier policies.
You need to estimate how much electricity your solar system generates, how much you export, what you self-consume, and what each tariff pays. A side-by-side annual comparison is the best way to see whether keeping a legacy Feed-In Tariff or moving to a different export tariff makes more financial sense.
Ask whether you will lose any generation payments, what export rate applies, whether a smart meter is required, whether payments are fixed or variable, whether there are fees or notice periods, and what happens if your meter or system details change.
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