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The minimum power input by all of the PV and wind energy systems was below 0. Since wind and solar are often absent, conventional power plants are needed to ensure grid stability at all times — often over long periods. Consumers pay for the costs of maintaining two parallel generation systems. There is no discernable smoothing effect from the size and geographical spread of the wind fleet: the argument that the wind is always blowing somewhere is not true. Even a Europe-wide wind power expansion in conjunction with a perfectly developed electricity grid would not solve the problem of the fluctuating wind energy generation.
It is quite possible for there to be no wind anywhere in Europe.
Anyone who studies the feed-in characteristics of electricity generation from wind power and PV systems thoroughly must realize that sun and wind usually supply either far too little or far too much — and that one cannot rely on anything but chance. This is a particular problem in the winter months, when electricity consumption is high. The wind energy statistics reveal the absurdity of wanting to tackle the problem of intermittency through construction of additional power lines and extensive wind power expansion.
With PV systems, the lack any smoothing of electricity over the diurnal and seasonal cycles is even more evident. It is obvious that the generation peaks in Germany occur at the same time as the peaks in the other European countries. This is due to the size of the low pressure areas, which results in a positive correlation of wind power generation levels across the continent: if too much electricity is produced in Germany, most of our neighbors will be over-producing too.
This calls into question the sense of network expansion a priori. German energy consumption is particularly high in the winter months, especially during inversion weather conditions, when PV systems barely supply any electricity due to clouds and wind turbines are usually at a standstill. The weather-dependency of electricity generation would thus have direct and fatal effects on the transport sector.
It would not be possible to heat electrically either. No discussion about the construction of wind turbines and no energy policy document of the last federal government can avoid the suggestion that the Energiewende might help avert the dangers of climate change. This is why the last German government continually described the EEG as a central instrument of climate protection. At least one hectare of forest is cleared per wind turbine and is thus permanently destroyed.
Afforestation elsewhere cannot make up for this, since old trees are in every respect much more valuable than new plantations. The negative effects of global warming predicted for Germany are more frequent floods and droughts, but forest is the best form of protection against soil erosion, cleaning soil and storing water.
Besides intermittency, the core problem of wind and solar energy is that it is generated in a very diffuse form. Water, on the other hand, flowing towards us at the same speed, will wash us away. This is because the power of water is comparatively concentrated, while the power of the wind is much more diffuse.
Instead of ditches, streams, and rivers wind power required m-high industrial installations, pylons and wires. Inevitably, natural areas become industrialized and opportunities for retreat in nature are gradually destroyed. A few years ago, a wind turbine invasion of the many forests that have been managed for decades in accordance with the principle of sustainability was still unimaginable. But huge pits are now being dug and filled with thousands of tons of reinforced concrete, with considerable effects on the ecosystem.
The effects on wildlife, soils and water as well as on the aesthetics and natural harmony of hilltop landscapes are catastrophic. The direct cost drivers of electricity prices are the feed-in tariffs set out in the legislation: operators of wind farms, PV and biomass plants will receive a guaranteed price per kilowatt hour, fixed for 20 years after commissioning.
This is set at a level that is many times higher than the market price. The difference is passed on to almost all consumers via the electricity price. In addition, producers are guaranteed to be able to sell electricity into the grid at that price, regardless of whether there is a need for it or not. In the period —, billion euros were paid by electricity consumers to renewables companies, for electricity with a market value of just 5 billion euros. What else could have been done with this money?
For example, the St Gotthard tunnel opened in at a cost of 3. The refurbishment needs of all German schools are estimated to total just 34 billion euros. The fact that electricity from wind and sun is randomly produced puts the power supply system under considerable and increasing stress.
The task of transmission system operators to maintain a constant 50Hz alternating voltage becomes more difficult with each additional weather-dependent and privileged feeding system. In order to cope with increasing volatility, the generation output must be repeatedly intervened in order to protect line sections from overload. If a bottleneck threatens at a certain point in the grid, power plants on this side of the bottleneck are instructed to reduce their feed-in, while plants beyond the bottleneck must increase their output.
Together with the expansion of wind power, the costs of these re-dispatching measures rose continuously. By , grid operators had to spend a billion euros to protect the power grid from the blackout. The costs of these self-defense measures are also borne by German consumers. Germany will become a global leader in technology development, is the slogan.
Real Income Definition
However, the real world is only partially impressed by this case: those technologies that prove to be economic will win, not those that bureaucrats and officials favor. Long-term economic gains can only be made through competition. However, with renewables, the competitive mechanism is switched off: prices and quantities are determined in a political process, the outcome of which is ultimately determined by the producers of renewable energy themselves.
If post-war governments had adopted the same approach for the automobile industry, it might have demanded that by the year every German must have a car. As a result, we would still have vehicles of the technical standard of the VW Beetle, innovation would be irrelevant, and the German industry would never have achieved its position of global leadership. The plight of the German photovoltaic industry, which rapidly lost international market share and had to cope with many insolvencies, is an example of this. It is a harbinger of what can be expected in other artificially nurtured segments of the renewables sector.
Subsidies, however, take away their incentive to innovate. Subsidies make businesses sluggish. Green jobs? Of course, the energy transition is shifting purchasing power from traditional consumer and capital goods industries to industries that produce wind turbines, solar panels and other equipment. This shift generates gross jobs in the those sectors : wind turbines, solar parks and biogas plants must be built. The components have to be produced, delivered and assembled; the finished systems have to be maintained.
The investments require financing and credit agreements. This creates employment in banks and law firms. If, for example, the billion euros mentioned above had been used to renovate schools, the order books of countless businesses would have remained full for many years to come. If one wants to focus not only on short-term economic effects, but also on long-term growth, one has to ask not only about the scope, but also about the type of investments made.
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According to this, a large stone would have to be thrown through the nearest window as powerfully as possible as an immediate measure of economic policy. This would ultimately give the glazier a large order and thus income, of which he would spend a portion on the confectioner, for example, and thus generate income again.
An income that he in turn would spend partly on the butcher, resulting in a virtuous circle that would ultimately benefit everyone and increase national wealth…. Anyone who produces electricity will be remunerated at a guaranteed rate far above the market price for a period of 20 years. This principle — of incentivizing the use of bad locations — can intuitively be recognized as foolish, but was nevertheless adopted in the tendering procedures of the revision of the EEG.
This absurdity was justified with a claim the fact that an expansion of the area covered in windfarms would lead to a reduction in the volatility of the electricity supplied — a fundamentally wrong idea. Tax consultant Daldorf, analyzed over annual financial statements of wind energy projects between and They found that the vast majority of wind farms in Germany operate at a loss.
With many local wind farms, investors are lucky to get their original investment back at all. Daldorf gives the following reasons for the poor performance of windfarms:. The operators and investors bear the full risk. Before they can make a profit, the following costs must be covered from the sales achieved:. The cubic relationship between wind force and power generation is decisive for the frequent red numbers: a doubling or halving of the wind speed changes the generation by a factor of eight.
The smallest deviations from the expected wind input are reflected in sharp deviations in power generation and thus in revenues. Anyone who evaluates such measurements will find that the operation of wind farms entails considerable economic risks. The profit is almost solely determined by the annual electricity yield. No matter how clever the marketing may be, it cannot influence profitability, which depends on the whims of the weather.
The fact that the green deal was backed by Government undoubtedly gave the scheme credibility. The hon. Member for Paisley and Renfrewshire North said that one of this constituents phoned to check the scheme and found that it was Government-backed, so thought that it must be all right, but it was not. Coupled with the idea of saving money and being green, that resulted in many customers signing agreements that they did not necessarily understand, on the premise that their bills would not increase.
It was disappointing for many that that did not turn out to be the case.
Members have given evidence that these operators of the scheme took advantage of their constituents. That said, Members must ensure that we do not undermine public trust in these types of scheme, given the potential benefits they can deliver. That indicates what we are doing back home, even with a stuttering Assembly. I understand that the Government hope to do a future green deal project. Will that not be completely undermined if this issue is not resolved?