British media said that at present, there are several large-scale photovoltaic power plants in the world under construction, many in India. As the completion of the project is approaching, countries will compete for the title of 'the world's largest photovoltaic base'. Many will have direct contact with China.
According to the BBC Chinese website reported on September 17, when flying over Datong County in North China, you will see two giant pandas, one of which is still beckoning to you. They are made up of thousands of solar panels.
The two giant pandas, together with the solar panels next to them, formed a photovoltaic power station with an installed capacity of 100 megawatts and a land area of 248 hectares.
The project was initiated by Panda Green Energy. According to the documents provided by the company, 'the shape of the photovoltaic power station is designed and built according to the Chinese National Treasure Panda.'
One of the two giant pandas is beckoning to you. They are made up of thousands of solar panels. (BBC中文网)
According to reports, China's photovoltaic power generation capacity ranks first in the world, up to 130 GW. It is assumed that power generation at the same time is sufficient for several British uses. China has many large-scale photovoltaic power plants, including the Longyangxia dam power station on the Qinghai-Tibet Plateau, and the total installed capacity. It has a capacity of 850 megawatts and has 4 million solar panels. Currently, the world's largest photovoltaic power plant is located in China's Tengger Desert with a total installed capacity of over 1,500 MW.
More than 60% of global solar panels are made in China
These projects cost millions of dollars to achieve their clean energy goals. Will China continue to build such large-scale photovoltaic power plants?
According to the report, Yvonne Liu of the market research organization Bloomberg New Energy Finance pointed out that China is the world's largest solar panel manufacturing country. 'The market is really big,' she said: 'This is the government's industrial policy. ' International Energy Agency The data shows that more than 60% of the world's solar panels are made in China. Therefore, ensuring high demand for solar panels is an obvious economic benefit for the government.
In addition, government agencies will also be praised for increasing renewable energy. About two-thirds of China's electricity consumption is still coal-fired. Optimizing China's energy mix is a key policy goal.
According to the report, the vast plains of North China and Northwest China have strong sunshine, the land used for the construction of the station is vast, the solar energy resources are quite stable, and the construction is also drastically advanced. The International Energy Agency believes that China can complete the three-year advancement for 2020. Solar photovoltaic power generation new installed capacity target.
According to the report, the construction of super-large photovoltaic power plants in remote areas also has its drawbacks. In order to clarify the reasons, we need to look at China again from the air. In 1935, geographer Hu Huanyong drew the famous 'Hu Huanyong Line', which will be China Northeast to Central South is divided into two. The area on both sides of the line is roughly equal, but the population density is very different. 94% of China's population lives east of the line, and the remaining 6% is west of the line.
Wind and photovoltaic resources are completely opposite
Xu Yuan of the Chinese University of Hong Kong said, 'China's wind and photovoltaic resources are completely opposite.'
According to the report, many PV power plants in China are far apart from the major cities where useful electricity is needed, resulting in a relatively low capacity factor (capacity factor refers to the actual energy generation as a percentage of the theoretical maximum power generation).
Xu Yuan quoted data from the China Electricity Council, saying that in the first half of 2018, the capacity factor of China's photovoltaic equipment was only 14.7%. That is, if the installed capacity of a photovoltaic power station is 200 MW, the average level is calculated. The power used is less than one-sixth.
According to the report, the reasons for the low capacity factor include factors that cannot be controlled, such as the weather. However, in China, the factor is unusually low. Xu Yuan said that part of the transmission line is due to the loss of power in the transmission line and the transmission line between the remote power station and the power-consuming area. The number of kilometers is considerable, 'the power station location and the power location are seriously mismatched'.
Bol, Stanford University's Steyr Taylor Energy Policy and Finance Center, said that China has been improving transmission line technology and working hard to solve this problem. It includes the development of high-consumption DC wires.
Ningxia Zhongwei Desert Photovoltaic Industrial Park Photovoltaic Power Station (September 7 drone shooting). (Xinhua News Agency)
According to the report, there is another problem affecting China's solar industry. In May, the government canceled the financial subsidies that are crucial for large-scale PV projects, which means that development projects will cost even more.
In this way, Ms. Liu said that energy investors will switch from large solar power plants in remote areas to other projects, such as building solar panels on the roofs of big cities, or selling electricity directly to customers – currently in the eyes of some They are all more promising. As these projects expand, they can accumulate customers, and in theory the flow of funds will improve, especially in view of the cancellation of subsidies for large solar parks.
Large-scale overseas PV power plants are huge
According to the report, Ms. Liu, Bor and Xu Yuan believe that ultra-large photovoltaic power plants will continue to be built, whether in China or in other countries.
Bor said: 'It must be realized that the influence of China mentioned here refers not only to its large-scale solar power plants developed in China, but also to large-scale photovoltaic power projects built overseas.
According to the report, there are currently several large-scale photovoltaic power plants under construction around the world, many of which are in India. As the completion of the project is approaching, countries will compete for the title of 'the world's largest photovoltaic base'. Many will have direct links with China, such as Egypt. Ban Solar Park.
The solar park covers an area of 37 square kilometers, and the power generation capacity is expected to be between 1600 MW and 2,000 MW. The investment scale is very large. A contractor currently involved in the project is from China.
This is the Liancun Photovoltaic Power Station located in Qiaojiatun Village, Dujiaqu Town, Loufan County (September 4, drone shooting). (Xinhua News Agency)
Panda Green Energy Group built a black and white panda-like solar power station in Datong, and will build more in China. This is the goal of the group 'Panda 100 Plan'. The design team even selected two different colors of solar panels to present large The image of a panda.
The group also intends to build eye-catching solar industry parks in other countries – including the 'Panda + Rugby' design in Fiji and the 'Panda + Maple Leaf' power station in Canada.
According to the report, Ms. Liu pointed out that the price of solar panels is getting lower and lower. It may take a few years, and it will become irrelevant for China to cut financial subsidies. Solar energy is too good and cheap, and investors cannot turn a blind eye. She said that the future After three to five years, solar energy will achieve parity, and investors will have no subsidies and confidence to build.
Bor also said that whether or not subsidies are provided, the huge attractiveness of affordable solar energy may increase the number of large power plants in the next few years. 'No matter how magnificent the current photovoltaic power plants look, there will be more and more such projects, and The scale will continue to escalate. '