Natural Gas Price Trends

Illustration of a plug with a British flag design and flames, accompanied by a bill that reads 'ELECTRICITY BILL £ HIGH', highlighting high UK electricity prices.

By Paul Homewood

It is a general consensus nowadays that gas prices are “high” and this is why electricity prices are also “high”.

But exactly how “high” are natural gas prices?

Line graph depicting the monthly average prices of gas (in p/therm GBP) from January 2015 to January 2025, showing fluctuations and a significant peak around early 2022.
https://www.ofgem.gov.uk/news-and-insight/data/data-portal/wholesale-market-indicators

We all know of course that natural gas prices spiked just before the Ukraine war started, but they also fell back rapidly during the following 12 months or so.

In June this year, according to OFGEM, wholesale gas prices were 86.28p/therm, compared to 46.10p in January 2015, an increase of 87%. But we have also had something called inflation in the last ten years. Since January 2015, RPI has risen by 58%, so the real increase is much smaller than supposed:

A graph illustrating the percentage change in the Retail Price Index (RPI) for all items from January 1987 to July 2025, showing fluctuations with a notable peak in 2022.
Line graph depicting the Retail Price Index (RPI) All Items Index from January 2015 to July 2025, with values on the y-axis and time on the x-axis.
https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/chaw/mm23

The following chart takes out the inflationary effect and shows some very interesting results:

Line graph showing monthly natural gas wholesale prices from January 2015 to June 2025, with prices on the vertical axis and time on the horizontal axis.

As we can see, real prices this year are no higher than they were in 2018.

As with all commodities, gas prices are always volatile, following the vagaries of supply and demand. Prices fell sharply in 2015 and 2016 as a result of a glut of supply. You may recall the price spikes between 2012 and 2014 when demand exceeded supply. That led to wells reopening and a glut, the seemingly never ending cycle we see in markets like oil and mining.

Prices obviously dipped to ridiculously low levels during COVID lockdowns as demand evaporated.

But ignoring COVID and Ukraine, current gas prices are not excessive by historical standards, and therefore cannot explain why electricity prices are so high now.

Tomorrow I’ll do the same exercise with electricity markets.


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