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Originally Posted by niky
In the end:
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Originally Posted by jamesqf
society in its present form is not sustainable
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I agree ..
bold
But , I don't think anyone is claiming it already is sustainable in it's current form today.
The error those PHDs made .. was the claim about it not being financially viable even in 40 years ... Their claims , just don't agree with the actual data .. PHD or not .. If the actual numbers disagree with them .. they are wrong... and in this case they are.
It is financially viable today , for many applications ... and ALL evidence points to it being much much better 40 years from now.
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Originally Posted by niky
Pleasantly surprised that Wind is so cheap, even without subsidies. But wind power is simply too intermittent to replace fossil or nuclear fueled base load.
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Keep in mind the argument those PHDs were making , is that no type of RE can possibly be cheaper than coal not even 40 years from now ... reality is that ... Some RE already is today .. even without any subsidies ... much less what will be around 40 years from now... simply put , their wrong.
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Intermittent does change the financial aspect for the amount you want to have 'on-demand' at any time ... day or night .. wind or no-wind ... but the PHDs were wrong there also .. because it is already possible with today's tech ... and it is already even financially viable in some context with today's tech.
Today's tech it is already cheaper for the electric grid in some places to start replacing those 'on-demand' power plants with large grid scale battery banks .. how's
~400 MWh battery storage for a start? ... And that Big Battery financially $ out performs (the old school method of ) putting a grid scale fossil fuel power plant there to perform the same function.
And that's with Today's tech ... again ... not even the better stuff that will be here in 40 years.