It is estimated that the sunlight reaching the Earth in 1.5 hours can meet the annual global energy consumption.
https://timesdeworld.com/solar-energy-could-power-the-world/
This won't be the flavor of response probably being expected... We will find a dramatic reduction in demand for PV power as we systematically (translated systemically) poison our ground water with the toxic byproducts of making more and more PV cells.... it is tantamount to the effects of cancer that grows and grows until it kills the host... we're already doing it with micro-plastics and that is being followed by poisoning our own drinking water... concentrated solar-powered devices like free-piston Stirling Engine Generators (other than direct insolation methods such as windows and skylights) will be the only sustainable route... in fact, we can clean up the waste emissions from oil fields, landfills and rice paddies using gas-shift reforming thermo-chemistry powered by very-high-temperature (1500 C) CSP to make liquid fuel and electricity at the same time...
I ask you to THINK about it. In thinking and coming to understand how and when solar-generated electricity works. you should conclude that it cannot. Statements like the ones you are referring to can only be made by blindly ignorant people.
While we're on the absurd, tell me, what color is yellow in the dark?
Solar power is available in every corner of the world. However, its inherent dependency on climate and environment and limitation in ramp-up and down of power (https://www.sciencedirect.com/topics/engineering/ramp-rate) limit its capability to be a lone player in the energy market. So, solar power plants clubbed with another power plant with high ramp limits could provide a possible alternative (https://energy.mit.edu/wp-content/uploads/2018/09/The-Future-of-Nuclear-Energy-in-a-Carbon-Constrained-World.pdf).
It might theoretically be possible to produce energy using only solar irradiance. While excess energy produced by solar power plants could be stored in high-capacity batteries and various other storage devices, used to produce green hydrogen, and converted to thermal energy using heat pumps. But it would be much easier to use a mix of renewable energy sources - solar, wind, hydropower, biomass, geothermal energy and other local ecologically clean energy sources. No one thinks of being satisfied with solar energy alone, even though solar power plants now produce the cheapest electricity.
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