Where can I get monthly solar radiation data?

More Lalit Bc's questions See All

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How can we differentiate pre-tension and post-tension force in ANSYS APDL simulation?

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Formal equation for finding the Width and Gap calculation for CPW fed patch antenna?

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How to measure methane that is produced from submerged rice field?

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Irradiation data for JAPAN?

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Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

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Help request in CST microwave?

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Anyone found any research papers on solar furnace design calculations (for solar concentration)?

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How to size battery banks?

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How to design a boost converter for a mppt controller?

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Suraj Shrestha

NASA Langley Research Center (LaRC) POWER Project

Jakob Schmid

NASA is good, otherwise there is https://globalsolaratlas.info/map

Meteonorm also has good data, but it is not freely accesible (https://meteonorm.com/en/)

Generally though, try to find data from a measuring station as close as possible to your project area.

Shewalem A. Temesgen

Dear Lalit Bc ,

Most solar radiation data for the purpose of research is recommended to be taken from the National Metrology System. NASA's data are recorded at 10 meters above sea level, so the accuracy level for practical work is less.

So what I recommend to you is, Just directly contact with this (bottom) person. ~~ Mr. Kamal Ram Joshi II Director General II Email: [email protected]

Or, you can also browse their (National Meteorology of Nepal) websites and get some data's in here. This is the link https://www.dhm.gov.np

Lalit Bc

Thank you for your suggestion Shewalem A. Temesgen but unfortunately Nepal don't record solar radiation data in many places specially in the Rasuwa where my study area is located.

Jay Patel

MNRE is the free web portal from indian which help in providing solar data.

Lee Clawson

Lalit Bc Lalit....Here's two links. The first is a ResearchGate publication...

Conference Paper STATISTICAL ANALYSIS OF SHORT TERM SOLAR RADIATION DATA OVER...

the second is a 2021 report by the World Bank titled, "SOLAR RESOURCE MEASUREMENT CAMPAIGN - NEPAL + SOLAR ENERGY ATLAS OF NEPAL at this link...

https://energydata.info/dataset/ead8d2fa-de59-48d3-8693-817b36b3a470/resource/43740f99-4075-405b-861f-038e47097802/download/solarenergyatlas_nepal_esmap-wbg.pdf

Piotr Olczak

I recommend ERA5-Land