Wind & solar renewables: pointless
Bryan Leyland at The Telegraph UK explains why renewable energy sources (wind and solar) are never going to achieve “net zero”. I missed this column when it appeared a few weeks ago, but it’s still current. And it’s still a pipe dream:
Many governments in the Western world have committed to “net zero” emissions of carbon in the near future. The US and UK both say they will deliver by 2050. It’s widely believed that wind and solar power can achieve this. This belief has led the US and British governments, among others, to promote and heavily subsidise wind and solar.
These plans have a single, fatal flaw: they are reliant on the pipe-dream that there is some affordable way to store surplus electricity at scale.
In the real world a wind farm’s output often drops below 10 per cent of its rated “capacity” for days at a time. Solar power disappears completely every night and drops by 50 per cent or more during cloudy days. “Capacity” being a largely meaningless figure for a wind or solar plant, about 3000 megawatts (MW) of wind and solar capacity is needed to replace a 1000 MW conventional power station in terms of energy over time: and in fact, as we shall see, the conventional power station or something very like it will still be needed frequently once the wind and solar are online.
The governments of countries with a considerable amount of wind and solar generation have developed an expectation that they can simply continue to build more until net zero is achieved. The reality is that many of them have kept the lights on only by using existing fossil fired stations as backup for periods of low wind and sun. This brings with it a new operating regime where stations that were designed to operate continuously have to follow unpredictable fluctuations in wind and solar power. As a result operating and maintenance costs have increased and many stations have had to be shut down.
In fact it’s already common to see efficient combined-cycle gas turbines replaced by open-cycle ones because they can be throttled up and down easily to back up the rapidly changing output of wind and solar farms. But open-cycle gas turbines burn about twice as much gas as combined cycle gas turbines. Switching to high-emissions machinery as part of an effort to reduce emissions is, frankly, madness!
Much more at the link here. But try sharing any of these facts with a green zealot. It may be that only after unimaginable damage and suffering resulting from reducing access to energy that the greenies will wake up. Maybe not even then . . .
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Source: http://clevelandteapartypatriots.blogspot.com/2023/05/wind-solar-renewables-pointless.html
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Their windmills don’t even cover their own cost. They are a net polluter. There is not enough known deposits to replace the explosives, errr batteries, they have now. Solar farms when scaled to continuous output grow to ridiculous levels. It’s all BS. The real alternatives and their inventors they shoot.