The sun is an inexhaustible source of energy. Look no further but to this: one of the grandest natural wonders of this world with a Seneca name:
So much for solar power being limited by daylight.
In fact these Falls inspired Nikola Tesla (photo attribution), to introduce production of cheap and clean AC electricity for the entire planet. The continuance of this inspiration is seen in Niagara's latest developments which fills a reservoir (here) downstream with huge pumps energized from night time excess hydro power. In other words the creation of a mega ultra clean battery.
Likewise solar power may be used the same way anywhere in the world on a large or small scale.
Final word is about photo voltaic panels (P.V.), year to year becoming less expensive to install.
Say a certain professor pays $3000 a year in electricity related expenses, especially for heating (in Northern countries , air conditioning in tropical countries). This same money can be spent on paying back a P.V. rooftop, instead of paying $3000 a year to utility company, this $3000 can be diverted to pay off eventually overall greater equity, it is self investment with guarantied returns for 25 years. After installation, value of his house all of a sudden becomes richer, especially since his house is producing electricity. And yes, even during cloudy days there can be electric production.
There is no need to wait for someone else to solve our worldly problems. Procrastination caused by arguing in error spells disaster for our descendants. WD November 26, 2019
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