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United Kingdom · gas and electricity · Prices checked yesterday · 15 November 2026 · re-read daily

Cheapest fixed energy tariff in Southern Wales

The cheapest fixed gas and electricity tariff in Southern Wales by Direct Debit, among the suppliers that publish their tariffs openly, is E.ON Next Secure Fixed 12m v104 at £1,872.82 a year at Ofgem's typical use, £128.92 above the price cap, as E.ON Next's own tariff feed stated on 15 Nov 2026.

15 tariffs from E.ON Next, Octopus Energy and EDF ranked. Annual figures are for Ofgem's typical household (2,500 kWh of electricity and 9,500 kWh of gas a year, in force since 1 July 2026): unit rate x typical use + standing charge x 365. The price cap for Southern Wales by Direct Debit comes to £1,743.90 on the same sum (Ofgem, 1 October to 31 December 2026). Prices from the suppliers that publish their tariffs openly: Octopus Energy (with Co-op Energy and London Power), EDF and E.ON Next (with Sainsbury's Energy); other suppliers are not listed.

The tariffs behind it

UK energy · read from each supplier's own tariff feed on 15 Nov 2026, with the page linked on each row.

  1. 1.E.ON Next · Next Secure Fixed 12m v104
    £1,872.82 a year at Ofgem's typical use
    electricity 28.21p per kWh and 45.46p a day · gas 9.62p per kWh and 24.05p a day · fixed, 12-month term · £50 exit fee per fuel · £128.92 above the price cap
    Go to E.ON Next
  2. 2.E.ON Next · Next Fixed 12m v170
    £1,882.58 a year at Ofgem's typical use
    electricity 28.40p per kWh and 45.46p a day · gas 9.67p per kWh and 24.05p a day · fixed, 12-month term · £50 exit fee per fuel · £138.68 above the price cap
    Go to E.ON Next
  3. 3.E.ON Next · Next Secure Fixed 24m v59
    £1,884.99 a year at Ofgem's typical use
    electricity 27.94p per kWh and 55.41p a day · gas 9.24p per kWh and 29.30p a day · fixed, 24-month term · £100 exit fee per fuel · £141.09 above the price cap
    Go to E.ON Next
  4. 4.E.ON Next · Next Fixed 24m v85
    £1,894.73 a year at Ofgem's typical use
    electricity 28.13p per kWh and 55.41p a day · gas 9.29p per kWh and 29.30p a day · fixed, 24-month term · £100 exit fee per fuel · £150.83 above the price cap
    Go to E.ON Next
  5. 5.Sainsbury's Energy · Sainsburys Energy Fix and Save 12m v42
    £1,899.16 a year at Ofgem's typical use
    electricity 28.73p per kWh and 45.46p a day · gas 9.76p per kWh and 24.05p a day · fixed, 12-month term · £50 exit fee per fuel · £155.26 above the price cap
    Go to Sainsbury's Energy
  6. 6.Co-op Energy · Co-op 18M Fixed
    £1,909.77 a year at Ofgem's typical use
    electricity 28.44p per kWh and 54.44p a day · gas 9.41p per kWh and 29.00p a day · fixed, 18-month term · £75 exit fee per fuel · £165.87 above the price cap
    Go to Co-op Energy
  7. 7.Co-op Energy · Co-op Community Power 18M
    £1,909.77 a year at Ofgem's typical use
    electricity 28.44p per kWh and 54.44p a day · gas 9.41p per kWh and 29.00p a day · fixed, 18-month term · £75 exit fee per fuel · £165.87 above the price cap
    Go to Co-op Energy
  8. 8.Octopus Energy · Octopus 18M Fixed
    £1,909.77 a year at Ofgem's typical use
    electricity 28.44p per kWh and 54.44p a day · gas 9.41p per kWh and 29.00p a day · fixed, 18-month term · £75 exit fee per fuel · £165.87 above the price cap
    Go to Octopus Energy
  9. 9.Sainsbury's Energy · Sainsburys Fix and Reward Fixed 24m v61
    £1,911.31 a year at Ofgem's typical use
    electricity 28.45p per kWh and 55.41p a day · gas 9.38p per kWh and 29.30p a day · fixed, 24-month term · £100 exit fee per fuel · £167.41 above the price cap
    Go to Sainsbury's Energy
  10. 10.E.ON Next · Next Lower Daily Fixed 24m v85
    £1,940.27 a year at Ofgem's typical use
    electricity 31.56p per kWh and 38.44p a day · gas 10.41p per kWh and 6.01p a day · fixed, 24-month term · £100 exit fee per fuel · £196.37 above the price cap
    Go to E.ON Next
  11. 11.EDF · Simply Fixed 2Yr Nov28v5
    £1,948.45 a year at Ofgem's typical use
    electricity 29.36p per kWh and 55.41p a day · gas 9.30p per kWh and 35.21p a day · fixed, no term stated · £100 exit fee per fuel · £204.55 above the price cap
    Go to EDF
  12. 12.Co-op Energy · Co-op 12M Fixed
    £1,962.39 a year at Ofgem's typical use
    electricity 29.71p per kWh and 54.44p a day · gas 9.63p per kWh and 29.00p a day · fixed, 12-month term · £50 exit fee per fuel · £218.49 above the price cap
    Go to Co-op Energy
  13. 13.Octopus Energy · Octopus 12M Fixed
    £1,962.39 a year at Ofgem's typical use
    electricity 29.71p per kWh and 54.44p a day · gas 9.63p per kWh and 29.00p a day · fixed, 12-month term · £50 exit fee per fuel · £218.49 above the price cap
    Go to Octopus Energy
  14. 14.EDF · Simply Fixed Apr28v4
    £2,021.19 a year at Ofgem's typical use
    electricity 30.97p per kWh and 55.41p a day · gas 9.84p per kWh and 29.96p a day · fixed, no term stated · £75 exit fee per fuel · £277.29 above the price cap
    Go to EDF
  15. 15.EDF · Simply Fixed Nov27v5
    £2,125.59 a year at Ofgem's typical use
    electricity 32.00p per kWh and 55.41p a day · gas 10.67p per kWh and 29.96p a day · fixed, no term stated · £50 exit fee per fuel · £381.69 above the price cap
    Go to EDF
Every tariff in Southern WalesThe price cap by regionUK energy

Related questions

How is the annual figure worked out?
Annual figures are for Ofgem's typical household (2,500 kWh of electricity and 9,500 kWh of gas a year, in force since 1 July 2026): unit rate x typical use + standing charge x 365. The unit rates and standing charges are each supplier's own, in pence, with VAT as its feed states it.
What is the price cap in Southern Wales?
The price cap for Southern Wales by Direct Debit comes to £1,743.90 on the same sum (Ofgem, 1 October to 31 December 2026).
Is this every energy supplier?
Prices from the suppliers that publish their tariffs openly: Octopus Energy (with Co-op Energy and London Power), EDF and E.ON Next (with Sainsbury's Energy); other suppliers are not listed.

Where this comes from

Dated 15 Nov 2026. Nothing is estimated beyond arithmetic the page names, and no provider pays to appear.