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If your solar panels generate more electricity than your home needs at the time, you may be able to sell some of that surplus back to the grid. The Smart Export Guarantee, usually called the SEG, pays eligible households for electricity they export.
However, suppliers set their own rates and terms. The amount you receive can depend on the tariff you choose, how much electricity you export and whether you meet the supplier’s conditions. So, if you already have solar panels, it is worth checking whether your current Smart Export Guarantee rate still suits your household.
The SEG is a scheme that enables eligible small scale generators to receive payments from electricity suppliers for electricity they export to the National Grid. Solar photovoltaic systems are eligible, provided they meet the scheme’s criteria. Ofgem explains that each supplier sets its own rate, contract length and other terms. Rates must remain above zero, and payments are based on export meter readings. Ofgem
The SEG does not offer one fixed national rate. Instead, you apply to a supplier that offers an SEG tariff. Ofgem also confirms that your SEG supplier does not have to be the same company that supplies your household electricity. Ofgem
This gives you a choice, but it also means you need to compare the details carefully. A higher advertised rate may come with conditions that do not suit your home or energy habits.
Start by looking beyond the headline rate. Check the tariff’s full terms, including:
A tariff with a strong rate may require you to meet specific conditions. Another supplier might offer a lower rate with greater flexibility. The right choice depends on how much you export and what you would need to change to qualify.
Check the latest tariff information directly with suppliers before switching. Rates and terms can change, so an old comparison or a rate mentioned in an article may no longer be available. Ofgem advises generators to shop around and directs them to its current list of SEG licensees. Ofgem
Not necessarily. The rate matters, but so does the amount of electricity you export. If you use most of your solar generation at home, you may export relatively little. A high rate applied to a small amount of electricity may not produce as much income as you expect.
Your household’s solar generation and electricity use also change throughout the year. Panels can generate more during brighter months, while your home may use electricity at different times of day. Your export readings will show how much electricity you actually send to the grid. Use these figures to estimate what a new rate could mean for your household.
When comparing tariffs, consider your overall energy costs as well as export payments. A higher import tariff could affect what you pay for electricity, even if the export rate looks attractive. Look at both sides of the arrangement before deciding whether to change suppliers.
A home battery stores surplus solar electricity so you can use it later, such as in the evening. This can reduce the amount available to export during the day. In return, you may use more of your own solar generation instead of buying electricity from the grid.
Whether that suits you depends on your household’s energy use, the battery’s cost and capacity, and the tariffs available to you. A battery does not automatically secure a better SEG rate. It changes when you use or export electricity, so compare its potential effect on your bills and export payments together.
Save Energy UK installs solar and battery systems for homes across Dorset and the wider South of England. Its team designs systems around a household’s energy needs and can discuss options for an existing solar installation or a new system. Save Energy UK
Review your tariff if your contract is ending, your supplier has changed its terms or your household’s electricity use has shifted. Check your export readings, current rate and any eligibility conditions. Then compare the likely payment with other available tariffs.
You may also want to consider whether you are planning to install solar panels or battery storage. The best system for your home depends on your roof, electricity use and goals. Export payments are one part of the decision. Using more of your own generated electricity may also help reduce the amount you need to buy.
Save Energy UK offers solar and battery consultations for homeowners in Dorset and across the South Coast. Contact the team to discuss your home, ask about a free survey and explore a system designed around your needs. Save Energy UK
Yes. Ofgem says your SEG licensee does not have to be the company that supplies your household electricity. Check each supplier’s terms, as some tariffs may have additional conditions. Ofgem
Check your export meter readings or your supplier’s account information. Your supplier can explain how it records exports and how it calculates payments.
Not automatically. A battery stores electricity for later use, which may reduce the amount you export. Its overall value depends on your energy use, export tariff, import tariff and the battery’s cost.
It is sensible to check the current options, but tariffs and terms can change. When considering a solar installation, ask your installer how your system is expected to perform and check the latest SEG requirements with the supplier you may apply to.