After 17 Years, Us Wind Plants Remain At 87% Of Peak Performance

New research has assessed the performance of US wind farms over the years.

The first comprehensive study of US wind facilities shows relatively low levels of performance decline over the years.

US wind plants maintain 87% of their peak performance after 17 years, and newer plants show almost no loss of performance during the first 10 years, according to a recent study by the Berkeley Lab.

Compared to studies of how European wind turbines age, the US wind fleet shows a slight loss of performance with age, and plants built after 2008 show the lowest levels of performance decline ever found. .

A team of researchers from the Berkeley Laboratory’s Division of Energy Analysis and Environmental Impacts analyzed the performance of 917 onshore wind projects in the United States.

The US wind market is the second largest in the world and supplied 7.3% of the nation’s electricity generation in 2019, yet this is the first research effort to assess the impact of the plant age in US wind fleet performance

The results indicate that age-related performance loss can be influenced by technology choices and cost-benefit decisions of project operators. The study provides evidence that recent technological changes are positively influencing the aging of wind plants.

Dev Millstein. Berkeley Laboratory.

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