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Maguire: Record wind output shields UK from worst effects of Iran war.

Wind farms have helped to boost clean energy supplies in the United Kingdom, allowing them to reach new highs by 2026. They also allowed power companies to reduce their use of fossil fuels. The increase in wind power has shielded the UK's power system from the worst of the effects of the U.S.-Israel war on Iran that has caused fossil fuel supplies to be disrupted and pushed oil and gas prices sky high.

Data from LSEG show that power supplies?from UK Wind Farms during the first three months of 2026 increased?31% compared to?the same month in 2025. This helped lift overall clean energy output by 16% and total power production by 4%.

The increased clean power production has allowed utilities to reduce their use of fossil fuels. This was especially true in the last month, when gas prices in the region spiked after the Iran conflict.

The UK's wind-heavy energy system could serve as a model for other countries looking to reduce their fossil fuel use.

WIND MOMENTUM

LSEG data shows that the UK's output from metered turbine farms - which feed directly into grids - increased by 33% between January and March 2025 compared to those same months. This is equivalent to 33,000 megawatts per 30 minutes.

The output of smaller embedded wind farms, which are connected to local distribution networks, is expected to increase by around 27% between 2025 and around 7,800 MW per thirty minutes.

The output of both categories of wind farms during the window from January to March was the highest for at least 2023 and has helped wind power become the UK's largest source of power.

In 2025, wind farms will account for 33% of the total UK electricity supply during January-March.

FOSSIL FUEL CURB

LSEG data indicates that biomass plants in the UK, which burn wood pellets, municipal waste, and other organic materials, have also contributed to the UK's clean energy total so far this year and have helped offset declines at nuclear, solar, and hydroelectric plants.

The UK's power companies were able to reduce the use of gas power plants by rationing their output from January to March, a drop of?16% compared to last year.

In March, the drop in total gas-fired output was 26% lower than March 2025.

This cut in UK gas usage by power companies could help UK utilities avoid major price increases. March was the month when the global gas market reacted the most to the U.S.-Iran War and the closure of the Strait of Hormuz.

UK benchmark gas prices have risen by 74% since the end of February, just before the Iran attack began. This is more than the 67% increase that mainland Europe has seen in gas prices during this period.

Some industrial gas users in the UK have been forced to pay more for gas over the past few weeks. This has kept gas supplies in the UK tight.

But because of the sharply increased wind generation in 2026, power producers were able to limit exposure to gas, which could limit further increases in UK power bills.

PRICE WATCH

The wholesale power price will reflect how well UK energy firms have managed the Iran crisis thus far.

According to LSEG, the average spot wholesale power price in the UK for the first three quarters of 2026 was around 89 Euros per Megawatt Hour.

This compares with an average of around?101 euros in Germany, around 137 euros in Italy and around 70 euros for France.

The UK's power discount to Germany, Europe's biggest economy and manufacturer, is a relatively recent phenomenon. UK power costs were consistently higher than Germany's before the Russian invasion of Ukraine 2022, which sent regional gas prices skyrocketing.

Since then, the UK's energy firms have aggressively increased renewables capacity to reduce the country’s dependence on imported fossil fuels.

According to Ember, the UK has routinely secured more electricity through clean energy sources than Germany.

The UK power system may still feel the impact of the Iran war after the wind production slows over the summer.

The UK's wind farms have, for the moment, shown that they can generate a lot of power at home. This may encourage other regions to expand their wind power footprints.

These are the opinions of a columnist who writes for.

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(source: Reuters)