Let’s look at some of the issues:
[1] It is becoming clear that intermittent wind and solar cannot be counted on to provide adequate electricity supply when the electrical distribution system needs them.
Early modelers did not expect that the variability of wind and solar would be a huge problem. They seemed to believe that, with the use of enough intermittent renewables, their variability would cancel out. Alternatively, long transmission lines would allow enough transfer of electricity between locations to largely offset variability.
In practice, variability is still a major problem. For example, in the third quarter of 2021, weak winds were a significant contributor to Europe’s power crunch. Europe’s largest wind producers (Britain, Germany and France) produced only 14% of installed capacity during this period, compared with an average of 20% to 26% in previous years. No one had planned for this kind of three-month shortfall.
In 2021, China experienced dry, windless weather so that both its generation from wind and hydro were low. The country found it needed to use rolling blackouts to deal with the situation. This led to traffic lights failing and many families needing to eat candle-lit dinners.
In Europe, with low electricity supply, Kosovo has needed to use rolling blackouts. There is real concern that the need for rolling blackouts will spread to other parts of Europe, as well, either later this winter, or in a future winter. Winters are of special concern because, then, solar energy is low while heating needs are high.
[2] Adequate storage for electricity is not feasible in any reasonable timeframe. This means that if cold countries are not to “freeze in the dark” during winter, fossil fuel backup is likely to be needed for many years in the future.
[3] After many years of subsidies and mandates, today’s green electricity is only a tiny fraction of what is needed to keep our current economy operating.
[4] Even as a percentage of electricity, rather than total energy, renewables still comprised a relatively small share in 2020.
[5] Most modelers have not understood that reserve to production ratios greatly overstate the amount of fossil fuels and other minerals that the economy will be able to extract.
[6] The world economy seems already to be reaching limits on the extraction of coal and natural gas to be used for balancing electricity provided by intermittent renewables.
[7] Conclusion. Modelers and leaders everywhere have had a basic misunderstanding of how the economy operates and what limits we are up against. This misunderstanding has allowed scientists to put together models that are far from the situation we are actually facing.
oilprice.com
[1] It is becoming clear that intermittent wind and solar cannot be counted on to provide adequate electricity supply when the electrical distribution system needs them.
Early modelers did not expect that the variability of wind and solar would be a huge problem. They seemed to believe that, with the use of enough intermittent renewables, their variability would cancel out. Alternatively, long transmission lines would allow enough transfer of electricity between locations to largely offset variability.
In practice, variability is still a major problem. For example, in the third quarter of 2021, weak winds were a significant contributor to Europe’s power crunch. Europe’s largest wind producers (Britain, Germany and France) produced only 14% of installed capacity during this period, compared with an average of 20% to 26% in previous years. No one had planned for this kind of three-month shortfall.
In 2021, China experienced dry, windless weather so that both its generation from wind and hydro were low. The country found it needed to use rolling blackouts to deal with the situation. This led to traffic lights failing and many families needing to eat candle-lit dinners.
In Europe, with low electricity supply, Kosovo has needed to use rolling blackouts. There is real concern that the need for rolling blackouts will spread to other parts of Europe, as well, either later this winter, or in a future winter. Winters are of special concern because, then, solar energy is low while heating needs are high.
[2] Adequate storage for electricity is not feasible in any reasonable timeframe. This means that if cold countries are not to “freeze in the dark” during winter, fossil fuel backup is likely to be needed for many years in the future.
[3] After many years of subsidies and mandates, today’s green electricity is only a tiny fraction of what is needed to keep our current economy operating.
[4] Even as a percentage of electricity, rather than total energy, renewables still comprised a relatively small share in 2020.
[5] Most modelers have not understood that reserve to production ratios greatly overstate the amount of fossil fuels and other minerals that the economy will be able to extract.
[6] The world economy seems already to be reaching limits on the extraction of coal and natural gas to be used for balancing electricity provided by intermittent renewables.
[7] Conclusion. Modelers and leaders everywhere have had a basic misunderstanding of how the economy operates and what limits we are up against. This misunderstanding has allowed scientists to put together models that are far from the situation we are actually facing.
The Biggest Problem With The Green Energy Revolution | OilPrice.com
Europe’s worsening energy crisis is highlighting some key shortcomings in the global transition to green energy
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