With the rapid development of science and technology and the popularization of environmental protection concepts, the construction industry is experiencing an unprecedented green revolution. With its unique charm and potential, photovoltaic building integration technology is rapidly emerging as a new trend leading this revolution. It not only changes our traditional understanding of architecture, but also creates a greener and more sustainable future for us.     1. Photovoltaic building integration: concept and basic principles   Photovoltaic building integration, referred to as BIPV, is an innovative model that combines photovoltaic power generation technology with architectural design, construction and operation. It uses photovoltaic panels as part of the building materials and directly integrates them into the exterior walls, roofs or windows of the building to achieve efficient energy utilization and green buildings. The emergence of this technology not only improves the energy efficiency of buildings, but also gives buildings new aesthetic value.   2. The perfect integration of green energy and architectural aesthetics   One of the biggest features of photovoltaic building integration is that it can perfectly integrate green energy with architectural aesthetics. Traditional photovoltaic panels are often regarded as cold and monotonous industrial products, which are difficult to coordinate with diverse architectural styles. However, with the continuous advancement of photovoltaic technology, modern photovoltaic panels can already achieve diversified appearance designs. They can present different colors, textures and shapes, and can even imitate the appearance and texture of traditional building materials. This enables photovoltaic panels to better integrate into the overall style of the building, achieving the harmonious unity of green energy and architectural aesthetics.   3. The dual boost of cost reduction and policy promotion   The popularization of photovoltaic building integration also benefits from the continuous reduction of costs and the strong promotion of policies. With the improvement of the photovoltaic industry chain and the expansion of production scale, the manufacturing cost of photovoltaic panels has decreased year by year, making its application in the construction field more economical and feasible. At the same time, governments of various countries are also actively introducing relevant policies to encourage and support the development of photovoltaic building integration. These policies include tax incentives, subsidy support, loan discounts, etc., which provide strong policy guarantees for the promotion of photovoltaic building integration.   4. Technological innovation leads the rapid development of the industry   Technological innovation is one of the key factors in promoting the development of photovoltaic building integration. In recent years, many innovative achievements have emerged in the field of photovoltaic technology, providing strong technical support for photovoltaic building integration. For example, new photovoltaic materials have higher photoelectric conversion efficiency and longer service life; intelligent control systems can realize automatic adjustment and optimized operation of photovoltaic systems; wireless transmission and Internet of Things technologies make the monitoring and management of photovoltaic systems more convenient and efficient. The application of these new technologies not only enhances the performance and quality of photovoltaic building integration systems, but also reduces maintenance costs and usage complexity.   5. Application Cases and Broad Prospects   The application of photovoltaic building integration has spread all over the world, involving commercial buildings, residential buildings, public facilities and other fields. In the field of commercial buildings, photovoltaic building integration provides clean energy supply for shopping malls, office buildings, etc., reduces operating costs and enhances corporate image. In the residential field, solar building integration provides residents with a reliable source of electricity, reduces dependence on traditional power grids, and reduces electricity bills. In the field of public facilities, photovoltaic building integration provides sustainable energy solutions for parks, schools, etc., and contributes to the green development of cities.   With the continuous advancement of technology and the continuous expansion of the market, the application prospects of photovoltaic building integration will be broader. In the future, we can foresee that more buildings will adopt photovoltaic building integration technology to achieve energy self-sufficiency and environmental sustainable development. At the same time, with the further innovation and improvement of photovoltaic technology, the performance and quality of photovoltaic building integration will be further improved, creating a more comfortable, convenient and environmentally friendly living and working environment for people.   6. Industry Challenges and Future Development   Although solar building integration has shown great potential and broad prospects, we also need to seriously deal with the challenges it faces. Unified technical standards, professional installation and maintenance, and the popularity of market awareness are all factors that limit its further development. Therefore, we need to strengthen technical research and development, improve relevant standards, improve installation and maintenance levels, and strengthen publicity and education to improve the public's awareness and acceptance of photovoltaic building integration.   In the future, with the continuous breakthrough of technology and the gradual maturity of the market, photovoltaic building integration is expected to occupy a more important position in the field of construction. It is not only a key component of the green transformation of the construction industry, but also an important driving force for promoting human society to move towards sustainable development. We have reason to believe that in the near future, photovoltaic building integration will become the mainstream trend in the construction field, creating a greener and better future for us.   In short, photovoltaic building integration, as a new trend in the future construction field, is leading the green transformation of the construction industry with its unique advantages. Let us join hands to jointly promote the popularization and development of photovoltaic building integration and embrace a greener and better future.

The integration of solar energy with architectural design has paved the way for innovative solutions such as building-integrated photovoltaics (BIPV). This technology not only makes the use of renewable energy possible, but also enhances the aesthetics of modern architecture. In this detailed blog, we will explore the concept, benefits, applications, and the future of sustainable building design of building-integrated photovoltaics (BIPV).     How BIPV Works: Technology Overview The PV module is the basic component of building-integrated photovoltaics (BIPV) technology. The module consists of solar cells that are connected together to form an array customized for a specific site. PV systems capture the sun's energy and convert it into heat and electricity. The electricity generated by PV panels can power direct current (DC) appliances or can be stored in batteries.   The output of the PV system can be connected to an inverter or converted to alternating current (AC) power for other applications or fed into the utility grid. Balance of system (BOS) refers to the additional components of a building-integrated photovoltaic (BIPV) system, including inverters, switches, controllers, meters, power conditioning equipment, wiring, support structures, and energy storage components.   Types of BIPV Systems PV Roof Systems The use of PV panels in roof systems can be a direct replacement for batten-seam metal roofs, traditional three-tab asphalt shingles, and ceramic tiles. Note that this type of installation requires adequate ventilation to keep the cell temperatures low.   BIPV Curtain Walls Solar cells can supplement or replace traditional French windows or laminated glass. While these modules are mounted on vertical surfaces, which reduces the intensity of solar radiation, the overall size of the curtain wall helps to make up for the reduced power per unit area.   BIPV Skylights The use of PV panels in skylight systems can save on the cost of PV panels and can be an interesting design feature. Like PV windows, translucent structures can both create a visual connection to the exterior environment and provide diffuse natural light.   BIPV Awnings PV modules can be integrated into awnings or slightly angled sawtooth canopy designs. Translucent modules can filter sunlight from below while providing additional architectural benefits such as passive shading.

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ベトナム政府庁は最近、2024 年 7 月 30 日付の通知 No. 356/TB-VPCP を発行しました。これは、自家生産および自家生産のための奨励メカニズムと政策を規定する政令の策定と公布に関するトラン ホン ハ副首相の結論を要約したものです。自己啓発。     自家発電の屋上太陽光エネルギーを開発し、実現可能性を確保するための政令を制定する   この発表は、自家生産の屋上太陽光エネルギーの開発を促進するメカニズムと政策の策定が、再生可能エネルギーの開発を促進し、人々の経済的期待に応えるために社会資源を動員するための非常に重要な政策であることを確認しています。   トラン副首相は、政令の推進を加速し、発令・施行時の質、実現可能性、適用性、有効性を確保し、絶対に抜け穴を残さず、政策の抜け穴を悪用せず、機会提供メカニズムを創設するため、ホン・ハ氏は、産業通商部に対し、「自家生産自家使用」の概念を改善するよう提案した。 屋上の太陽エネルギー;売電比率を高め、自家発電と自家使用の意味を明確にする 太陽光発電。このうち発電量は総容量の90％を占め、国家送電網に売られる割合は10％を超えない。   同時に、地域の特性に応じ、電力供給の実態や電力供給構造に応じて、太陽光発電の促進・活用に向けた政策を策定する。   これに基づいて、合理的かつ科学的な根拠を調査および計算し、余剰電力の送電網への割合を規制し、北部地域が総容量の20％の割合で送電網にアクセスできるようにします。中部と南部の地域では、総容量の 10% を送電網に販売できます。北部地域の太陽光屋根の電圧容量構成を他の地域よりも優先する必要があると判断した（北部地域の動員率はまだ低く、高負荷の方が高い率で動員できるため）。

米国のクリーンエネルギーコンサルタント会社クリーン・エナジー・アソシエイツ（CEA）によると、欧州は2024年最初の4カ月間に中国から約33GWの太陽光発電モジュールを輸入し、中国のモジュール輸出総額の43％を占めた。   2024年第2四半期のPV供給、技術および政策レポートでは、ヨーロッパと米国の供給と政策の市場状況、世界のシリコンサプライチェーンと技術トレンドを調査しています。     欧州の輸入統計は、「多くの長期供給業者が輸入に太刀打ちできないために生産を停止したり破産申請したりしているため、欧州の太陽光発電の供給は縮小している」というCEAの見解と一致している。   セルや モジュールメーカー Meyer Burger、ノルウェーのインゴット生産者 NorSun と ポリシリコン生産者 RECは持続不可能な市況を理由に、過去12カ月間に欧州の工場をすべて停止または放棄した。   CEAはまた、世界のモジュールとセルの生産能力は今年、約600GWの新規ポリシリコン生産能力に加えて、それぞれ300GW以上拡大すると述べた。世界の生産能力はすでに需要をはるかに上回っており、ブルームバーグ・ニュー・エネルギー・ファイナンス（BNEF）の1月の報告書によると、新たな生産能力はゼロだという。 太陽光発電容量 10 年代の終わりまでに世界的な目標を達成するには必要になるだろう。