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By the end of 2020, photoelectric buildings will account for 60% of distributed photovoltaic installations.
Release time:
2017-02-27
The goal is to increase the proportion of photovoltaic buildings in the total installed capacity of photovoltaics year by year. By the end of 2020, photovoltaic buildings will account for 60% of the total installed capacity of distributed photovoltaics and 20% of the total installed capacity of photovoltaics, with an installed capacity of over 20 GW. During the 13th Five-Year Plan period, the goal is to ensure that newly built photovoltaic buildings account for 20% of newly built green buildings. This development goal was proposed in the "Development Outline of Photovoltaic Building during the 13th Five-Year Plan", which was drafted by the Photovoltaic Building Application Committee of the China Building Metal Structure Association.
The goal is to increase the proportion of photovoltaic buildings in the total installed capacity of photovoltaic power generation year by year. By the end of 2020, photovoltaic buildings will account for 60% of the total installed capacity of distributed photovoltaic power generation and 20% of the total installed capacity of photovoltaic power generation, striving to achieve an installed capacity of over 20 GW. During the 13th Five-Year Plan period, we will strive to make newly built photovoltaic buildings account for 20% of newly built green buildings. This is the development goal put forward in the "13th Five-Year Plan Outline for the Development of Photovoltaic Buildings", which was drafted by the Photovoltaic Building Application Committee of the China Association for Building Metal Structures. In this regard, Zhang Fang, deputy director of the Photovoltaic Building Application Committee, said in an interview with reporters: "Only by achieving this goal can photovoltaic buildings become the mainstream of distributed photovoltaics."
Developing photovoltaic buildings is beneficial for building energy saving and emission reduction
"Developing photovoltaic buildings, from a macro perspective, is both a requirement of the national sustainable development strategy and energy saving and emission reduction, and an important focus for implementing domestic demand stimulation and releasing production capacity." Zheng Jinfeng, chief engineer of the Photovoltaic Building Application Committee of the China Association for Building Metal Structures, told reporters that from the perspective of building energy saving, vigorously promoting the application of photovoltaic buildings is an effective means of achieving building energy saving and emission reduction.
What are photovoltaic buildings? Photovoltaic buildings refer to the combination of photovoltaic power generation and buildings, where photovoltaic devices are installed on the outer structural surfaces of buildings to generate electricity, thus enabling buildings to generate green energy.
To encourage the large-scale application of photovoltaic buildings in China, as early as 2009, the Ministry of Finance and the Ministry of Housing and Urban-Rural Development jointly issued the "Implementation Opinions on Accelerating the Application of Solar Photovoltaic Buildings", and the Ministry of Finance introduced the "Management Measures for Subsidy Funds for Solar Photovoltaic Building Applications". Since then, the application of solar photovoltaic buildings in China has officially entered a new stage of large-scale engineering application.
"Photovoltaic buildings have formed diverse application forms. Photovoltaic components are mainly used on the roofs, walls, sunshades, and balconies of various buildings. Various building structures with photovoltaic functions have emerged, such as photovoltaic component roofs, photovoltaic tile roofs, photovoltaic skylights, photovoltaic curtain walls, photovoltaic sunshades, and photovoltaic balconies." Zhang Fang analyzed the current situation of photovoltaic building development and believes that the biggest difference between photovoltaic buildings and ground photovoltaic power stations is diversification.
In fact, based on the diversified photovoltaic building structures, building photovoltaic components are developing towards building materialization and component-ization. Currently, there are photovoltaic tiles suitable for tile roofs, flexible thin-film photovoltaic components suitable for waterproof materials, double-glass photovoltaic components suitable for translucent curtain walls and skylights, photovoltaic components suitable for different light transmittance, hollow glass photovoltaic components suitable for insulation requirements, honeycomb photovoltaic components suitable for walkable roofs, and colored photovoltaic components suitable for building aesthetics, etc.
In order to focus on the development of distributed photovoltaics, the policy stipulates that rooftop and self-generated and self-used photovoltaic projects are not subject to quota restrictions, and electricity Price subsidies will not be adjusted. In order to achieve the photovoltaic development goals during the 13th Five-Year Plan period, photovoltaic buildings will enter a period of rapid development. "It is not an exaggeration to say that the future market size of photovoltaic buildings will reach trillions of yuan. Currently, the existing building area in China has exceeded 40 billion square meters. If we convert this into residential buildings, assuming each set is 100 square meters, there are 400 million residential units; if each residential unit installs 500 watts of photovoltaic power, that's 200 GW; if each watt costs 10 yuan, that's a market size of 2 trillion yuan; even if we calculate 50%, there is still a market size of 1 trillion yuan. This does not include the 2 billion square meters of newly built buildings each year." Zhang Fang believes that photovoltaic buildings are the largest market for photovoltaic applications.
Photovoltaic buildings attract investor attention and importance
Currently, distributed photovoltaic power generation, mainly based on photovoltaic buildings, is attracting more and more investor attention and importance. "In the future, more and more energy-consuming and carbon-emitting enterprises in China will have a huge demand for photovoltaics and other new energy sources, thus stimulating the rapid development of photovoltaic buildings." Zhang Fang told reporters that based on the national regional development strategy, taking the "Belt and Road" initiative, coordinated development of Beijing-Tianjin-Hebei, the Yangtze River Economic Belt, coastal economic zones, green demonstration cities and counties, and renewable energy demonstration cities and counties as the main axes, we will cultivate demonstration areas for photovoltaic building applications and promote the large-scale development of photovoltaic buildings.
The huge market prospects of photovoltaic buildings are mainly reflected in the following three aspects: First, further deepening reforms of the power system and mechanism will be conducive to the rapid development of photovoltaic buildings; second, the continuously declining cost of photovoltaic power generation will usher in the large-scale development of photovoltaic buildings; third, the gradually active photovoltaic finance will promote the large-scale development of photovoltaic buildings.
"The development of industrial building photovoltaic application bases should be prioritized. According to China's concentrated development model of economic development zones and industrial parks, various forms of rooftop photovoltaics should be promoted using the roofs of industrial plants and warehouses, focusing on building and promoting concentrated photovoltaic application bases in industrial parks across provinces and cities; the development of public building photovoltaic application demonstration groups should be prioritized. Using the roofs and walls of government offices, schools, hospitals, museums, hotels, and shopping malls, encourage the installation of add-on photovoltaic roofs, non-translucent photovoltaic curtain walls, and photovoltaic inter-window walls; using the stands of stadiums, high-speed rail platforms, highway service areas, and parking sheds, encourage the installation of photovoltaic sunshades, and actively promote the construction of public building photovoltaic application demonstration groups; the development of residential building photovoltaic demonstration communities should be prioritized. Actively explore the application of photovoltaic component roofs, photovoltaic tile roofs, photovoltaic sunshades, and photovoltaic balconies in residential communities and new rural residential buildings, and actively promote household photovoltaic systems." Zhang Fang listed the order of priority development for photovoltaic buildings.
"Currently, photovoltaic building standards are basically complete, providing technical guarantees for the large-scale application of photovoltaic buildings, but there are also some unfavorable factors that restrict the large-scale development of photovoltaic buildings." Zheng Jinfeng told reporters that these unfavorable factors are mainly as follows: First, the development of photovoltaic applications is unbalanced, and it is hoped that ground photovoltaic power stations and distributed photovoltaic power generation systems can develop in a balanced manner. Second, the Price of distributed photovoltaic power is too low, and most building photovoltaics lack attractiveness due to the lack of attractive power generation Price, resulting in low investor enthusiasm. Third, the supporting mechanisms for promoting photovoltaic development are not yet sound, and photovoltaic power still lacks sufficient competitiveness compared to thermal power. Third, corporate financing channels are not smooth, and distributed photovoltaic systems do not have the scale of ground photovoltaic power stations, making it difficult to attract large-scale investment. Fourth, the construction industry lacks general attention to photovoltaic buildings, and the enthusiasm of real estate development, building design, and existing building energy efficiency renovation for photovoltaic building applications is not high, and there is a lack of specific technical guidance from building design units.
"From the perspectives of energy saving and emission reduction, economic benefits, and quality and safety, the value and prospects of photovoltaic building applications can be reflected; through various channels and using various forms, widely publicize to the society; give full play to the role of industry organizations and experts, mobilize the enthusiasm of photovoltaic enterprises, and jointly promote the application of photovoltaic buildings." To promote the large-scale development of photovoltaic buildings, Zhang Fang issued an appeal to the industry.
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