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Free Comparison Tool

Smart Export Guarantee Tariff Comparison 2026

Compare Smart Export Guarantee (SEG) tariffs from UK energy suppliers. Find the best rate for your solar export.

Your Solar Export Details

Typical homes export 1,500-2,500 kWh per year without battery storage

UK Smart Export Guarantee Tariffs 2026

E.ON Next

BEST VALUE

Fixed rate for 12 months

16.5p
per kWh
Your annual income:£330.00
✓Must be E.ON customer
✓Fixed rate guarantee
✓Annual payments
Contract: 12 monthsMin export: 500 kWh/year

Octopus Energy

Variable rate, updated quarterly

15.0p
per kWh
Your annual income:£300.00
✓No minimum export
✓Easy online setup
✓Half-hourly readings
Contract: Rolling monthly

British Gas

Variable rate, reviewed quarterly

15.0p
per kWh
Your annual income:£300.00
✓Existing customer priority
✓Smart meter required
✓Quarterly payments
Contract: 12 months

OVO Energy

Variable rate with seasonal adjustments

4.0p
per kWh
Your annual income:£80.00
✓Additional green tariff options
✓Monthly payments
✓App tracking
Contract: Rolling monthly

EDF Energy

Variable rate with winter boost

3.5p
per kWh
Your annual income:£70.00
✓Winter rate increase
✓Online portal
✓Quarterly payments
Contract: 12 months

Income Comparison

Best Tariff
E.ON Next
£330.00
per year
Lowest Tariff
EDF Energy
£70.00
per year
Potential Difference
£260.00
per year

Important Notes

  • • Rates are indicative, last reviewed June 2026 — always confirm the current rate on the supplier's own page
  • • SEG rates change frequently (often on 30 days' notice)
  • • You need a smart meter and an MCS-certified system to qualify
  • • Some tariffs require you to also buy your electricity from that supplier
  • • Actual export varies by season and usage

Understanding Smart Export Guarantee Payments

What is SEG?

The Smart Export Guarantee pays you for excess solar energy exported to the grid. Rates vary by supplier.

Maximize Earnings

Shop around for the best rate. You can switch SEG provider without changing your energy supplier.

Payment Terms

Most providers pay quarterly or annually. Check contract lengths and any minimum export requirements.

Want the full picture? See our guide to the best Smart Export Guarantee rates by supplier (2026) — including British Gas, Octopus, E.ON Next and the highest battery time-of-use tariffs.

Already have solar? Estimate your full return with our solar ROI calculator.