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Maguire: US power system to reach new clean milestone by April

The U.S. energy system is on course to reach a new milestone in the energy transition by April, as clean electricity supply reaches its annual peak and overall electricity demand decreases during so-called spring shoulders season.

According to Ember, an energy think tank, for the first month in history, clean power sources accounted for more than half of U.S. electricity supply.

This month, clean power may be able to take a larger share in the U.S. power mix if power consumption falls as per normal seasonal patterns. That would allow utilities to reduce output from fossil fuels plants at the same time that renewable energy output increases.

Clean power could reach new heights in April as a result of the combined annual peak in wind and solar production, along with lower fossil fuel supply. This will ensure that energy transition momentum continues in 2025.

DEMAND DIP

The U.S. has traditionally seen its electricity consumption drop in April, as it is between the winter and summer months when heating and cooling systems are at their peak.

According to Ember, for the last seven years, the month of April has been the lowest in monthly electricity consumption. This trend is expected to continue in 2025, as mild temperatures this month have reduced heating demand.

The month of April is also the peak for electricity produced by U.S. wind and solar farms. This is because wind output peaks just when annual demand drops.

Clean power sources made up 49% of the total electricity supply in April 2024. This was a record high that only last month was surpassed.

The combined output of solar and wind farms was 23.5% in April last year, and reached a new record with 24.4% in March this year.

In April of last year, the share of electricity generated by wind farms was 15%. This percentage will reach a record 15.2% in 2025 when wind speeds increase at turbine levels.

Slow Start

According to LSEG, the total U.S. production of wind power was down around 7% compared to the same period in the year 2024.

Wind speeds below normal in certain locations have slowed down wind production in this month. In the Electric Reliability Council of Texas, the U.S.'s largest wind production hub, output is down about 3% compared to a year earlier.

The latest forecasts of wind output for the remainder of the month indicate that wind output will be at or below the long-term averages, including ERCOT.

Even average wind power outputs should be enough to increase the share of clean energy sources in U.S. power generation.

The output of U.S. Solar Farms is also set to reach new heights in every major market thanks to increased installed capacity and more sunlight in key solar markets like Texas, California and Arizona.

The combination of increased solar production and average wind output will help to push the clean power share of U.S. electricity generation above 51% in April. This will ensure that U.S. energy system continues to achieve new milestones by 2025.

These are the opinions of a market analyst at.

(source: Reuters)