Could solar and wind be made reliable, always-on, power sources? An evaluation of all energy supply options should include answering this question.
Australia's in a growing energy reliability and cost of living mess. Attempting rushed renewables is already a growing cost of living disaster. More's to come.
'Harvested' on Earth, solar and wind are intermittent, weather-dependent, 'unreliables'. More reliability, via extra generation, battery storage, and new transmission lines, is very expensive.
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Many reject ground-based nuclear power as a low-emissions, 24/7, option. That leaves gas, diesel, and coal as available base-load and 'peaker' power options. All are much-needed now.
Ironically, as a big gas exporter, we'll soon import gas to offset expected power supply shortfalls. Discouraging or banning more locally-produced gas contributes to this situation.
How could 'renewables' like solar and wind powerbe made 24/7 'reliables'? Think off-planet. That's where these 'renewables' ultimately come from.
If usable solar and wind power is sourced from 'harvesters' located sufficiently far off-planet, it might be 24/7. No day or night. No terrestrial weather. No seasons. Always 'on'.
The Sun is a huge, long-lived, dispatchable power battery. We just have to find the best way to plug into it. Its past life was essential for the emergence all life on Earth. It's about middle-aged now. Its future life extends way beyond future Earth-based human existence.
It's now a source of inexhaustible, more-or-less steady, solar radiation and solar wind power. This reflects nuclear fusion, from hydrogen to helium variants, in the Sun's massive gravity core.
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Could this really be 'harvested' off-planet, transmitted to Earth, and distributed to end-users? In principle, yes. In practice, doing so probably would be very expensive. We should find out.
The catch is the same problem – cost – bedevilling unreliable Earth-based solar and wind. It would probably be even more expensive, and more insecure, than Earth-based 'unreliables'.
Why?
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