What Is Smart Export Guarantee (SEG)?
A plain-English explanation of Smart Export Guarantee (SEG) — what it means, how it works, and why it matters for your home energy.
Definition
The UK scheme that pays you for surplus solar electricity exported to the grid
Smart Export Guarantee (SEG) Explained
The Smart Export Guarantee (SEG) is a UK government scheme requiring licensed electricity suppliers to pay households for surplus renewable electricity they export to the national grid. SEG rates vary by supplier from 1p to 24p per kWh.
How Smart Export Guarantee (SEG) Works
- 1. Your solar panels generate more electricity than your home uses
- 2. Surplus power flows back through your smart meter to the grid
- 3. Your SEG licensee measures exported units each quarter
- 4. Payment credited to your energy account or paid direct
Smart Export Guarantee (SEG) — Pros & Cons
| Pros | Cons |
|---|---|
| Reduces energy bills | Upfront installation cost |
| Lowers carbon emissions | May require property modifications |
| Government grants available in Wales | Performance varies by property |
| Increases home comfort | Requires qualified installer |
| Can increase property value | Payback takes several years |
Ready to Take the Next Step?
Get a free, no-obligation quote from MCS-certified installers in Wales.
Get Free Quote →Smart Export Guarantee (SEG) — FAQ
What is Smart Export Guarantee (SEG)?
The UK scheme that pays you for surplus solar electricity exported to the grid
How does Smart Export Guarantee (SEG) work?
The Smart Export Guarantee (SEG) is a UK government scheme requiring licensed electricity suppliers to pay households for surplus renewable electricity they export to the national grid. SEG rates vary by supplier from 1p to 24p per kWh.
What are the benefits of Smart Export Guarantee (SEG)?
The main benefits include lower energy bills, reduced carbon emissions, and increased home comfort. Many Welsh homeowners also benefit from government grants through schemes like Nest, Warm Homes Programme Wales, and ECO4.
Is Smart Export Guarantee (SEG) available in Wales?
Yes. Smart Export Guarantee (SEG) is available across Wales. Welsh homeowners may qualify for grants to help cover installation costs. Check your eligibility for free.
How much does Smart Export Guarantee (SEG) cost?
Costs vary depending on system size and property type. The best way to get an accurate price is to request a free quote from MCS-certified installers in your area.