https://safirsoft.com Changing China's Solar Economy

Adding storage space for the solar system could allow nearly half of China's electricity to be generated. As long as solar energy provides a small portion of the electricity in a given grid, adding new PV installations will be a small hurdle. But as the solar portion increases, managing the fact that it only generates electricity intermittently becomes a huge challenge in managing the grid.

At this point, factors other than price become important in determining the rationale for solar. These factors can vary from country to country. This means that understanding the potential of solar energy requires country-specific analysis. This week, researchers in China analyzed their own and showed that solar power has now reached a point where it is more cost-effective than coal. The report also states that solar energy (when combined with storage) could meet about half of China's needs by the mid-20th century. Blackouts over the past decade have decreased by 63 percent between 2011 and 2018 alone, and solar installations have increased exponentially. Currently, a third of the entire planet's new solar energy is released in China. The country surpassed the installed capacity of the United States in 2013 and Germany in 2015 and now has more than 250 gigawatts of active capacity — far more than double its economic plan at this point.

As China has plans to achieve net zero emissions by 2060, this urbanization is likely to continue. Most of China's population is located in the southeast of the country. The best sources of solar energy (in terms of cloud-free days and available land) are in the Northwest, which also happens to be sparsely populated. This incompatibility has led to solar power limitations due to limitations on the ability of Chinese grids to transmit power over long distances. Solar power plants often end up in the Northwest, because there is no capacity to send them where they are needed. China.

To get a clearer picture, the researchers developed a model that takes into account most of the factors that influence solar performance. This model tracks changes in technology, economy, solar resources, and the Chinese grid for the period from 2020 to 2060. The data used six years of satellite weather data to estimate typical productivity in different parts of the country and included information on available land. Using it is inconsistent with setting up a solar farm. It can be created if all available sites are used for its production. For 2020, China's solar technology potential is just under 100 pWh, or about 13 times China's total electricity demand. As technology advances, this technology potential is expected to reach 150 PW-hr by 2060, the year China plans to reduce its net emissions to zero.

But many of these sites are relatively poor. The average capacity factor (actual versus nominal capacity) is estimated to be only 17.6 percent (for context, the average American operating plant is about 25 percent.

Analysis plus price yields a rough estimate, taking Considering the initial costs of maintaining and financing solar installations anywhere, shows that by 2020, most countries will be able to produce solar energy at a price equivalent to coal.About 80 percent of potential capacity will reach parity by 2022, and this will be true everywhere Before the end of this decade.

This gap will continue to widen, as solar energy prices are likely to increase.It is currently $49.3 per megawatt-hour, but is expected to reach $13 per megawatt-hour by 2020. 2030 and $3 per megawatt-hour by 2060, researchers note that solar energy competition with coal despite the fact that the health and environmental costs of coal prices cannot be compared to the cost of electricity generated using it.The price between coal and solar was already high and was very high at Mid-century solutions.

Changing China's Solar Economy
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