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UK retail energy price cap increased to £3,549

  • Market: Electricity, Natural gas
  • 26/08/22

Energy regulator Ofgem has set the UK's energy retail price cap at £3,549/yr for a "typical" dual-fuel household — an increase of 80pc from the previous cap.

The wholesale element of the price cap increased to £2,491 from £1,077 from the previous cap period, with this value based on the hedging strategy of a "nominal supplier" as set out by Ofgem.

The observation period for the next cap started on 1 February and ended on 18 August, with the wholesale component of the cap set at 298 p/th for gas and £282/MWh for power. At the start of this period, winter 2022-23 NBP gas prices were at 182.50 p/th and power at £176.50/MWh, while these rose to 594.50 p/th and £635/MWh, respectively, by the end of the period. Summer 2023 prices have risen by almost 400pc for gas and 300pc for power over the same period.

The new cap will equate to around £520/MWh for power and 440 p/th for gas. These are well below current wholesale prices for the fourth quarter, meaning that any suppliers would be unable to recover their costs even without the additional costs that are factored into the price cap.

All households are set to receive a £400 reduction in their energy bills this winter, provided in £66/month instalments, while the most vulnerable households will receive at least an additional £1,200, the government has said.

But wholesale prices have risen significantly since the government set out its support levels, pushing the cap well above where it would have been expected at the time.

The switch from seasonal to quarterly price caps also looks like it will only see the cap increase for the first quarter of next year if prices remain anywhere near current levels, as the wholesale component of the next cap will include a greater weighting of prices from the coming months.

The first-quarter cap will still include some weighting from February-June this year, before Ofgem set out its position to move to quarterly caps. The second-quarter 2023 observation period will run over 17 November 2022-17 February 2023, so if prices further down the curve remain elevated at current levels retail prices would rise again later next year.

Gas and power prices have continued to rise sharply over the last week, with the front-quarter NBP gas contract up by 135 p/th and the equivalent power contract increasing by £132/MWh since last Friday. This has been largely driven by the announcement of upcoming maintenance on the Nord Stream 1 gas pipeline and by the extension of 5.2GW of nuclear outages in France for the winter.

UK winter 2022-23 gas and power forward prices

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