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Global Solar Atlas - browse or download maps and GIS data layers (global or per country) of the long-term averages of solar irradiation data (published by the World Bank, provided by Solargis)] Solcast - solar irradiance data updated every 10–15 minutes. Recent, live, historical and forecast, free for public research use
Global Solar Atlas (GSA v2.2): screenshot of the interactive map interface (status Jun 2020). Site detail view (in this case for the location Bhadla, Rajasthan, India) summarises the data important for preliminary site assessment of a photovoltaic power plant Global map of Photovoltaic Power Potential downloadable via the Global Solar Atlas (GSA 2.2) Download section feature with more than a ...
The updated figure (right) shows the variations and contrasts solar cycles 14 and 24, a century apart, that are quite similar in all solar activity measures (in fact cycle 24 is slightly less active than cycle 14 on average), yet the global mean air surface temperature is more than 1 degree Celsius higher for cycle 24 than cycle 14, showing the ...
According to the California Solar and Storage Association, residential solar installations have dropped by 66% in the first quarter of 2024 compared with the same period in 2022.
As at Dec 6, 2024, solar cycle 25 is averaging 39% more spots per day than solar cycle 24 at the same point in the cycle (Dec 6, 2013). Year 1 of SC25 (Dec 2019 to Nov 2020) averaged 101% more spots per day than year 1 of SC24.
Here’s what the California Public Utilities Commission and California Solar and Storage Association told us: This story idea came from a Sacramento Bee reader who wrote to us through our climate ...
This CD-ROM contains over 100 solar-terrestrial and related global data bases covering the period through April 1990. Solanki, S.K.; Fligge, M. (2001). "Long-term changes in solar irradiance". In Wilson, A. (ed.). Proceedings of the 1st Solar and Space Weather Euroconference, 25-29 September 2000, Santa Cruz de Tenerife, Tenerife, Spain. Vol. 463.
Obtain daily measurements of solar spectral irradiance between 0.3 and 2 μm with a spectral resolution of at least 1/30, an accuracy of 0.03%, and long-term repeatability of better than 0.01%/yr. To improve the understanding of how and why solar irradiance varies, estimate past and future solar behavior, and investigate climate responses.