Assessment of power system adequacy in Germany and Europe and its experience and reference to China From &All
The following is the Assessment of power system adequacy in Germany and Europe and its experience and reference to China From &All recommended by recordtrend.com. And this article belongs to the classification: New infrastructure, New material industry, research report.
In 2021, power rationing and power shortage occurred in many provinces of China. Although there are many reasons for power cuts, the power cuts in September and October 2021 are mainly related to market factors, that is, the mismatch between the high coal price and the fixed price of coal-fired power plants. This has led to a shortage of physical fuel in many coal-fired power plants and forced them to operate with low capacity factor. Although this event seems to be mainly related to market design rather than due to system adequacy planning, any power shortage or outage inevitably increases the demand for more reliable capacity on the supply side. Indeed, the Chinese government has not only responded to the shortage by raising electricity prices and limiting coal mine profits, but also formulated new regulations aimed at increasing the capacity of coal-fired power plants. The old and inefficient coal-fired power plants should be put into reserve after they are retired. The government will require coal-fired power companies to operate the power plants at a price at least as high as that in previous years. The government documents pay more and more attention to energy security, especially supply security, which may lead to the acceleration of new coal-fired power generation capacity construction to meet peak load.
In addition, it is also very important to model the realistic level of uncertainty. The method used in modeling should not make the planning results favor the generation and storage with higher installation costs, but should give priority to the investment with better cost-effectiveness in transmission, cross-border power trading and demand side flexibility. 2 as we have shown in this report, although it is still at an early stage, the capacity adequacy assessment methods in Europe have begun to take these factors into account more. Several recent studies on other markets have shown that with more and more energy storage capacity coming online, an appropriate amount of energy storage – mainly short-term energy storage, such as 4-hour energy storage capacity – will play a huge role in ensuring that each megawatt of wind or solar energy capacity is fully utilized to meet the peak load.
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