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Not true. If you want to have electricity, only when the wind blows or only when the sun shines, that is true. Otherwise, you need thermal (coal, nat gas, nuke)
by barney54 11y ago
Not true. If you want to have electricity, only when the wind blows or only when the sun shines, that is true. Otherwise, you need thermal (coal, nat gas, nuke) generation to produce electricity when you want it.
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- greendesk 11y agoNot 'Not True', if you don't mind my double-negative. I can have some electricity from renewable sources and some electricity from your selection of thermal (coal, nat gas, nuke). This results into an energy mix, not a binary value of renewable-vs-thermal. Even if a renewable sources are predictably intermittent, they can still play a positive role in an energy mix setting. Furthermore, this role can be very valuable from an investment point. For example, one pays for installation of solar arrays and gets some electricity every day until its life cycle expires. It might not reach 100% of one's consumption - but there is some electricity every day. Compare this to constructing a thermal power plant - who knows what its operating costs will be 20 years down the line.