PKPM-Solar Empowers Integrated Building Photovoltaic Solutions to Facilitate the Achievement of Dual Carbon Goals

Against the backdrop of the in-depth advancement of the "dual carbon" strategy and the accelerated green and low-carbon transformation in the construction sector, Building-Integrated Photovoltaics (BIPV) has become a core path to address the problems of high energy consumption and high emissions in buildings, transforming buildings from "energy consumers" to "energy producers". The design, analysis, optimization and implementation of building photovoltaic projects are inseparable from the technical support of professional simulation and analysis software. As a benchmark tool in the field of domestic building photovoltaic simulation and analysis, PKPM-Solar, relying on its full-process and multi-dimensional core capabilities, is deeply integrated into the integrated building photovoltaic solutions, connecting the entire chain from model construction, data support, professional design to result output, providing reliable technical guarantee for the scientific implementation of building photovoltaic projects and helping the industry achieve high-quality development.​

The core demand of the integrated building photovoltaic solution is to achieve "compliant design, optimal performance and maximum efficiency". The achievement of this goal is inseparable from the software's collaborative support for multiple disciplines and the entire process. With its nine core features, PKPM-Solar deeply binds simulation and analysis capabilities with actual project needs, breaks the pain points of "fragmentation and disconnection" in traditional photovoltaic design, and builds a technical support system covering the entire life cycle of the project. Its application logic and value embodiment in the integrated solution can be fully analyzed from the following dimensions.

I. Efficient Modeling Lays the Foundation to Solve the Starting Point Difficulty of Solution Implementation​

Model construction is the foundation of building photovoltaic design and the key determinant of the accuracy and efficiency of subsequent analysis. In traditional photovoltaic design, model construction is time-consuming and poorly compatible, making it difficult to adapt to the needs of different types of building projects, which has become the primary bottleneck restricting the progress of the solution. PKPM-Solar, with its powerful model construction capabilities, lays a solid foundation for the integrated solution, and its core advantages are reflected in two aspects: "efficiency" and "compatibility".​

In terms of model construction efficiency, the software supports the rapid construction of various scenario models such as single buildings and building groups, without cumbersome manual drawing, which greatly shortens the preliminary modeling cycle, especially suitable for large-scale projects such as large industrial parks and county (city, district)-wide rooftop distributed photovoltaics. In terms of compatibility, the software fully supports the import of Tianzheng drawings, BIM models and Swell models, realizing seamless connection of multi-software data, avoiding repeated modeling, reducing the workload of designers, and ensuring the consistency and accuracy of model data. This efficient and compatible modeling capability enables photovoltaic design to advance synchronously with the main building design, breaking the traditional model of "installation after construction", realizing the in-depth integration of the photovoltaic system and the building structure, and laying the foundation for the efficient implementation of the integrated solution.

II. Multi-Dimensional Data Support to Ensure Scientific and Compliant Design​

The scientificity of building photovoltaic design is inseparable from accurate basic data and standardized policy adaptation. Relying on comprehensive basic data reserves and continuous specification update capabilities, PKPM-Solar provides all-round data support for the integrated solution, ensuring that the design scheme meets national and local policy requirements and adapts to the regional characteristics of the project.​

At the basic data level, the software covers detailed meteorological parameters of hundreds of regions in various provinces and cities across the country, including core indicators such as sunshine duration, irradiance and temperature, fully meeting the design needs of different solar resource regions; it also supports the custom import of meteorological parameters, which can be adjusted according to the measured data of the specific region of the project, further improving the accuracy of simulation and analysis, and providing a reliable basis for the calculation of photovoltaic system power generation and the design of panel inclination angle. At the policy and specification adaptation level, the software has continuous update capabilities, fully supporting national and local relevant standards such as the "General Code for Building Energy Conservation and Renewable Energy Utilization" GB55015-2021 and the "Technical Standard for Application of Building-Integrated Photovoltaics in Sichuan Province" DBJ51/T233-2023. At the same time, it conforms to the requirements of the "Notice on Submitting Pilot Plans for the Development of Rooftop Distributed Photovoltaics in Counties (Cities, Districts)", which can accurately calculate the installed area of photovoltaic rooftops and match the policy verification requirements for installing photovoltaic panels on rooftops of different proportions, ensuring that the design scheme is compliant and up to standard and avoiding policy risks.

III. Multi-Disciplinary Collaborative Design to Achieve System Integration Optimization​

The integrated building photovoltaic solution is not a single photovoltaic system design, but requires in-depth collaboration with multiple disciplines such as building energy conservation, green building, structure and carbon emission analysis to achieve the optimal overall performance of the building. With its multi-disciplinary design capabilities and standardized data interfaces, PKPM-Solar breaks professional barriers, builds a multi-disciplinary collaborative design system, and promotes the integrated implementation of the overall solution.​

In terms of the design of the photovoltaic system itself, the software has complete multi-disciplinary design capabilities, supporting the full-process design of the photovoltaic system, and can provide functions such as panel specification selection, inverter and other core equipment selection, and array layout design. It optimizes the configuration of the photovoltaic system according to project needs to ensure the power generation efficiency and stability of the system. In terms of multi-disciplinary collaboration, the software develops standardized data interfaces, which can be seamlessly connected with other PKPM series software, realizing the relay advancement of photovoltaic design and multi-disciplinary work such as energy conservation analysis, green building evaluation, structural bearing capacity calculation and carbon emission accounting, avoiding rework and waste caused by disconnection of design between various disciplines. For example, in green building projects, the software can directly synchronize data such as the power generation and carbon emission reduction of the photovoltaic system to the green building evaluation system, helping the project meet the relevant indicators of green building evaluation; in structural design, it can synchronously provide the load data of the photovoltaic system to support the reinforcement design of the building structure, realizing multi-disciplinary collaborative optimization and improving the integrity and scientificity of the overall solution.

IV. Diversified Performance Analysis to Help Maximize Solution Benefits​

The implementation of building photovoltaic projects must not only meet compliance requirements, but also achieve the dual improvement of economic and environmental benefits. With its diversified performance analysis capabilities, PKPM-Solar provides a scientific basis for the benefit optimization of the integrated solution, helping the project achieve the core goal of "energy conservation, carbon reduction and efficiency improvement".​

In terms of economic analysis, the software can accurately calculate the annual power generation and total power generation of the photovoltaic system, and on this basis, further analyze core economic indicators such as the project's investment-output ratio, investment payback period and power generation cost, providing data support for project investment decisions, helping owners optimize investment plans and reduce investment risks. In terms of environmental benefit analysis, the software has special carbon analysis capabilities in the photovoltaic field, which can accurately calculate indicators such as the annual carbon emission reduction and pollutant emission reduction contributed by the photovoltaic system, clearly presenting the environmental value of the photovoltaic system, helping the project respond to the "dual carbon" strategy and meet the requirements of carbon emission accounting and reporting. At the same time, the software provides a variety of solution optimization capabilities, including array optimal inclination angle analysis and optimization, carbon reduction optimization, power generation optimization, etc. For different project scenarios, it can compare the performance differences of multiple design schemes through simulation and analysis, screen out the optimal scheme, and realize the maximization of the performance and benefits of the photovoltaic system.

V. Standardized Result Output to Improve the Efficiency of Solution Implementation

The design, review and acceptance of building photovoltaic projects require standardized and traceable result reports as support. With its complete result output function, PKPM-Solar automatically generates multiple standardized reports that meet the requirements of design and review, providing convenience for the implementation of the integrated solution and improving the efficiency of project advancement.

The software can automatically generate multiple professional reports such as the "Photovoltaic Panel Inclination Angle Analysis Report", "Photovoltaic Solar Energy Utilization Analysis Report" and "Carbon Emission Reduction Analysis Report". The report content covers core information such as model parameters, meteorological data, design schemes and performance analysis results, with traceable data and standardized format, fully meeting the acceptance and review needs of housing and urban-rural development departments, review institutions and owners. Compared with the cumbersome process of manually compiling reports in the past, the software's automatic report generation function greatly shortens the report compilation cycle, reduces human errors, and ensures the standardization and professionalism of the reports, providing reliable support for project review and acceptance and promoting the rapid implementation of the integrated solution.

VI. Conclusion

In the current context of large-scale and standardized development of the building photovoltaic industry, the professionalism and integration level of the integrated solution have become the key determinants of project quality and benefits. With its powerful modeling capabilities, comprehensive basic data, multi-disciplinary collaboration capabilities, diversified performance analysis capabilities and standardized result output capabilities, PKPM-Solar is deeply integrated into the entire process of the integrated building photovoltaic solution, solving the pain points in traditional photovoltaic design such as low modeling efficiency, weak professional collaboration, insufficient analysis accuracy and non-standard results, and providing all-round technical support for the scientific design, compliant implementation and benefit optimization of building photovoltaic projects.

With the continuous advancement of the "dual carbon" strategy, the application scenarios of building photovoltaics will continue to expand, putting forward higher requirements for the professionalism, compatibility and innovation of design software. PKPM-Solar will continue to rely on technological iteration, keep up with the pace of national and local policy and standard updates, continuously improve software functions, deepen collaborative integration with multi-disciplinary software, further enhance its support capacity for integrated solutions, help the green and low-carbon transformation of the construction sector, and inject lasting momentum into the achievement of the "dual carbon" goals.