Author Topic: Addressing climate change  (Read 7700 times)

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Offline TimG

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Re: Addressing climate change
« Reply #15 on: May 25, 2019, 09:29:46 pm »
You don't have to build additional power sources to backup renewables. You just throttle back the existing ones when renewables are producing.
You need to build completely redundant capacity since you can't risk blackouts if renewable output goes to zero. This doubles the capital cost of renewables if you use backups like gas. If you try to provide backups with batteries you need enough backup to deal with the statistically unlikely but possible periods where renewables could be not producing due to weather events. The cost of such batteries is too expensive to even consider.
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