HomeRenewable energy ›Global Solar Irradiance in 2023: Mixed Trends Emerge Amid Climate Extremes

Global Solar Irradiance in 2023: Mixed Trends Emerge Amid Climate Extremes

India faced a continued dip in solar performance, a trend attributed by Solargis to a prolonged and intense monsoon season.

January 11, 2024. By Abha Rustagi

In a recent analysis conducted by Slovakia-based solar data provider Solargis, the global solar irradiance landscape in 2023 exhibited remarkable stability overall, despite the onslaught of record-breaking heat and extreme weather events associated with climate change and El Niño.

Australia and Southeast Asia emerged as standout regions, experiencing solar irradiance levels surpassing their long-term averages by 2 percent and an impressive 10 percent, respectively. Solargis attributed this phenomenon to favorable weather conditions coupled with reduced cloud cover.

Meanwhile, Europe also enjoyed higher-than-average solar irradiance, particularly in the southern Nordic region. Across the continent, most areas exceeded their long-term averages by margins ranging from 1 percent to 7 percent, thanks to reduced cloudiness and rainfall.

The United States witnessed consistent solar performance, with some regions benefitting from the El Niño effect, bringing more sunshine and less precipitation. Central America experienced stronger-than-average solar irradiance, while Africa maintained a steady and consistent solar resource.

In contrast, India faced a continued dip in solar performance, a trend attributed by Solargis to a prolonged and intense monsoon season. Central India recorded levels below its long-term average by 1 percent to 5 percent, whereas Southeast India saw an increase of up to 5 percent above its long-term average, owing to an exceptionally dry and sunny June and August.

These diverse trends in solar irradiance across the globe underscore the intricate interplay between regional weather patterns and solar energy generation, providing valuable insights into the resilience and adaptability of solar technologies in the face of evolving climatic conditions.
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