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

Cheapest energy tariff in Southern Wales paying on receipt of the bill

The cheapest gas and electricity tariff in Southern Wales for a household that pays when the bill arrives (standard credit), among the suppliers that publish their tariffs openly, is E.ON Next Pledge Tracker 12m v12 at £1,830.71 a year at Ofgem's typical use, £50.12 below the price cap, as E.ON Next's own tariff feed stated on 15 Nov 2026.

18 tariffs from E.ON Next, EDF and Octopus Energy 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 paying on receipt of the bill (standard credit) comes to £1,880.83 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 Pledge Tracker 12m v12
    £1,830.71 a year at Ofgem's typical use
    electricity 27.05p per kWh and 63.93p a day · gas 8.26p per kWh and 37.49p a day · tracker, 12-month term · £25 exit fee per fuel · £50.12 below the price cap
    Go to E.ON Next
  2. 2.EDF · Simply Tracker Jan28
    £1,830.71 a year at Ofgem's typical use
    electricity 28.05p per kWh and 57.08p a day · gas 8.52p per kWh and 30.63p a day · tracker, no term stated · £50 exit fee per fuel · £50.12 below the price cap
    Go to EDF
  3. 3.Co-op Energy · Co-op Flexible
    £1,855.79 a year at Ofgem's typical use
    electricity 28.05p per kWh and 61.74p a day · gas 8.52p per kWh and 32.83p a day · variable, no term stated · no exit fee · £25.04 below the price cap
    Go to Co-op Energy
  4. 4.Octopus Energy · Flexible Octopus
    £1,855.79 a year at Ofgem's typical use
    electricity 28.05p per kWh and 61.74p a day · gas 8.52p per kWh and 32.83p a day · variable, no term stated · no exit fee · £25.04 below the price cap
    Go to Octopus Energy
  5. 5.E.ON Next · Next Flex
    £1,880.75 a year at Ofgem's typical use
    electricity 28.05p per kWh and 63.93p a day · gas 8.52p per kWh and 37.49p a day · variable, no term stated · no exit fee · £0.08 below the price cap
    Go to E.ON Next
  6. 6.EDF · Standard Variable
    £1,880.75 a year at Ofgem's typical use
    electricity 28.05p per kWh and 63.93p a day · gas 8.52p per kWh and 37.49p a day · variable, no term stated · no exit fee · £0.08 below the price cap
    Go to EDF
  7. 7.Sainsbury's Energy · Sainsbury's Standard Variable
    £1,880.75 a year at Ofgem's typical use
    electricity 28.05p per kWh and 63.93p a day · gas 8.52p per kWh and 37.49p a day · variable, no term stated · no exit fee · £0.08 below the price cap
    Go to Sainsbury's Energy
  8. 8.Sainsbury's Energy · Sainsburys Track and Reward 12m v1
    £1,880.75 a year at Ofgem's typical use
    electricity 28.05p per kWh and 63.93p a day · gas 8.52p per kWh and 37.49p a day · variable, 12-month term · no exit fee · £0.08 below the price cap
    Go to Sainsbury's Energy
  9. 9.E.ON Next · Next Secure Fixed 12m v104
    £2,010.05 a year at Ofgem's typical use
    electricity 29.71p per kWh and 53.98p a day · gas 10.05p per kWh and 31.58p a day · fixed, 12-month term · £50 exit fee per fuel · £129.22 above the price cap
    Go to E.ON Next
  10. 10.EDF · Simply Fixed 2Yr Nov28v5
    £2,018.77 a year at Ofgem's typical use
    electricity 30.80p per kWh and 55.41p a day · gas 9.66p per kWh and 35.21p a day · fixed, no term stated · £100 exit fee per fuel · £137.94 above the price cap
    Go to EDF
  11. 11.E.ON Next · Next Fixed 12m v170
    £2,019.81 a year at Ofgem's typical use
    electricity 29.90p per kWh and 53.98p a day · gas 10.11p per kWh and 31.58p a day · fixed, 12-month term · £50 exit fee per fuel · £138.98 above the price cap
    Go to E.ON Next
  12. 12.E.ON Next · Next Secure Fixed 24m v59
    £2,022.23 a year at Ofgem's typical use
    electricity 29.43p per kWh and 63.93p a day · gas 9.67p per kWh and 36.83p a day · fixed, 24-month term · £100 exit fee per fuel · £141.40 above the price cap
    Go to E.ON Next
  13. 13.E.ON Next · Next Fixed 24m v85
    £2,031.97 a year at Ofgem's typical use
    electricity 29.62p per kWh and 63.93p a day · gas 9.72p per kWh and 36.83p a day · fixed, 24-month term · £100 exit fee per fuel · £151.14 above the price cap
    Go to E.ON Next
  14. 14.Sainsbury's Energy · Sainsburys Energy Fix and Save 12m v42
    £2,036.39 a year at Ofgem's typical use
    electricity 30.22p per kWh and 53.98p a day · gas 10.20p per kWh and 31.58p a day · fixed, 12-month term · £50 exit fee per fuel · £155.56 above the price cap
    Go to Sainsbury's Energy
  15. 15.Sainsbury's Energy · Sainsburys Fix and Reward Fixed 24m v61
    £2,048.54 a year at Ofgem's typical use
    electricity 29.94p per kWh and 63.93p a day · gas 9.81p per kWh and 36.83p a day · fixed, 24-month term · £100 exit fee per fuel · £167.71 above the price cap
    Go to Sainsbury's Energy
  16. 16.E.ON Next · Next Lower Daily Fixed 24m v85
    £2,077.50 a year at Ofgem's typical use
    electricity 33.05p per kWh and 46.96p a day · gas 10.85p per kWh and 13.54p a day · fixed, 24-month term · £100 exit fee per fuel · £196.67 above the price cap
    Go to E.ON Next
  17. 17.EDF · Simply Fixed Apr28v4
    £2,091.51 a year at Ofgem's typical use
    electricity 32.41p per kWh and 55.41p a day · gas 10.21p per kWh and 29.96p a day · fixed, no term stated · £75 exit fee per fuel · £210.68 above the price cap
    Go to EDF
  18. 18.EDF · Simply Fixed Nov27v5
    £2,195.91 a year at Ofgem's typical use
    electricity 33.44p per kWh and 55.41p a day · gas 11.03p per kWh and 29.96p a day · fixed, no term stated · £50 exit fee per fuel · £315.08 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 paying on receipt of the bill (standard credit) comes to £1,880.83 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.