Homeowners with solar panels often generate more electricity than their household needs during sunny periods. The Smart Export Guarantee (SEG) provides a straightforward way to earn money from this excess energy by exporting it to the national grid. Launched in 2020, this government scheme requires energy suppliers to pay for every unit of renewable electricity you send back, turning surplus generation into a valuable income stream.
What Is the Smart Export Guarantee (SEG)?
The Smart Export Guarantee (SEG) is a government scheme that pays homeowners for the excess electricity their solar panels send back to the grid. Introduced to replace the old Feed-in Tariff, it ensures that energy suppliers with more than 150,000 domestic customers offer a payment (known as an export tariff) for this exported power.
The SEG scheme applies to small-scale renewable energy systems, covering virtually all domestic setups. Each supplier sets its own tariff above zero pence per kWh, with leading rates typically around 15 p per kWh. Quarterly updates from Solar Energy UK highlight the best available offers, helping homeowners choose top-paying providers such as Octopus Energy or E.ON.
Did you know? 💡
With SEG tariffs, you enjoy the same freedom as standard energy deals. Shop around for the best supplier rates without worrying about lock-in contracts.
Eligibility Requirements for Homeowners
To qualify for the Smart Export Guarantee (SEG) scheme, solar installers must be certified by an Ofgem-approved body, most commonly the Microgeneration Certification Scheme (MCS) or newer schemes such as Flexi-Orb. This ensures the solar installation meets strict UK technical, safety, and quality standards for grid connection.
Homeowners will further need proof of solar system ownership, a grid connection letter (G98/G99) from their Distribution Network Operator, and an active electricity account with a participating supplier.
You can add solar battery storage to a solar system and still qualify for SEG payments, provided the smart meter accurately measures only the electricity actually sent to the grid. Solar batteries store surplus power for later home use, so unmetered solar battery charging doesn’t count toward any exports. SEG will only pay for grid exports, avoiding double payments.
How the Payment Process Works
Suppliers calculate earnings based on half-hourly smart meter readings of exported energy. Monthly or quarterly payments arrive via bank transfer. Applications typically require you to submit your MCS certificate, meter details, and proof documents directly to the chosen supplier.
Homeowners can switch SEG suppliers freely to find better rates, just like changing energy tariffs. There’s no lock-in period or penalty for moving to a higher-paying option. The main practical consideration is smart meter compatibility: your meter must be a SMETS2 (second-generation smart meter) or an approved half-hourly export meter capable of accurately recording exports for the new supplier.
Did you know? 💡
The SEG scheme supports the UK’s Net Zero targets by turning household roofs into active contributors to the grid.
Maximising Your Earnings from Solar Exports
Adding a solar battery to your solar panels lets you earn more from SEG by being smart about when you send power to the grid. Batteries store ‘free’ extra daytime solar energy for use at night or whenever you need it, and that self-use cuts your bills while giving you the option to export at peak rates. You can program the system to send just the right amount of energy to the grid when export rates are highest, boosting your payments.
If you can afford a bigger solar setup or battery, you’ll generate more excess power to export, earning higher SEG payouts. Check Solar Energy UK’s free quarterly tariff table online. It’s like a league of the best-paying energy companies, allowing you to switch suppliers anytime and grab the top rates to maximise your income.
Start Earning from Your Solar Exports Today
The Smart Export Guarantee turns excess solar energy into a reliable income stream, complementing bill savings to accelerate the payback period for solar installations. Next Energy can guide you through MCS certification, smart meter installation, and optimal tariff selection to unlock the full potential of SEG.
Contact Next Energy for your free solar survey. Our experts will review your system eligibility and recommend the best export strategy tailored to your home.
