0
1) Direct Applications (Solar Cooker, etc.)
2) Electricity Generation by PV technology (Solar Panels etc.)
3) Concentrated Solar Thermal Power generation technology (PS20 etc.)
Very big.
there are two types
solar updraft towers
solar power towers
in updraft towers solar thermal collector are used
in solar power towers heliostat are used
Yes
Solar Observatory Tower Meudon was created in 1964.