List of the Top 13 Free Solar Software in 2025

A thorough evaluation of solar energy potential is crucial at the pre-feasibility phase of any project. Not only is it necessary to obtain trustworthy results, but the analysis must also be performed in a timely manner. Resources like Solargis's iMaps and pvPlanner provide rapid access to accurate solar yield predictions. The new Prospect tool further improves the accuracy of these forecasts while promoting collaboration throughout the solar project development stages. Among the various sources of solar data, Solargis is distinguished for its exceptional precision and dependability, a claim backed by numerous independent studies. This data has been validated in over 1,000 locations across the globe, with validation statistics for more than 180 accessible non-confidential sites showcased on the validation map. Additionally, while well-known simulation tools like PVsyst offer advanced features for designing systems and modeling energy, it is essential to recognize that the default weather data included may not always be reliable. Consequently, employing validated solar data is critical for maximizing project success, and leveraging such resources can significantly enhance overall project outcomes.

Our innovative platform significantly enhances sales and the execution of projects, delivering superior solar and energy storage solutions. Among its standout features are remote design capabilities that utilize satellite imagery, detailed proposals that include accurate pricing and energy assessments, and integrated tools for project management. A highlight of our offering is the customer-facing application, which stands out in the market by validating expected performance and cost savings. Other functionalities include tracking solar and storage power flow, calculating utility bill savings, and ongoing performance monitoring. The platform is designed to accommodate various workflows, facilitating team collaboration and effective task delegation. By harnessing high-resolution satellite imagery, users can effortlessly create layouts for both residential and commercial projects. Improve your sales approach with visually compelling and precise proposals that lead to faster deal closures. Moreover, manage projects efficiently to ensure they are completed swiftly while surpassing client expectations. This comprehensive suite of features positions our platform as an essential tool for businesses operating in the renewable energy industry, driving both efficiency and success. As the demand for renewable energy solutions grows, our platform remains at the forefront, continually evolving to meet the needs of our clients.

The RETScreen® Clean Energy Management Software platform supports the planning, implementation, tracking, and assessment of low-carbon projects. Users can access the more sophisticated version, RETScreen Expert, in Viewer mode without any cost. Collaborating with governmental and multilateral organizations, we work together to develop and secure funding for improved versions of the RETScreen® platform. RETScreen Expert provides an array of tools for benchmarking, feasibility analysis, performance assessment, and portfolio management, catering to various facility types, including commercial, institutional, residential, industrial, and power generation, all within a single comprehensive platform. Our innovation lab is committed to maintaining the RETScreen software's leadership role in the transition to clean energy technology, ensuring that we continually enhance our offerings to meet the complex needs of our wide-ranging and growing global user community. This dedication to progress and user engagement fuels our ongoing efforts to improve clean energy management solutions, ultimately contributing to a more sustainable future.

PVSketch is an intuitive web-based application designed to streamline the development of solar energy projects. Its user-friendly interface allows sales representatives to access a detailed layout tool without requiring extensive prior knowledge. This cutting-edge tool significantly improves the visualization of solar solutions while delivering trustworthy energy modeling features. As part of the broader PVComplete ecosystem, PVSketch fosters effective collaboration among solar developers, installers, and engineers, enhancing both workflow efficiency and accuracy. Sales representatives can quickly kickstart projects online using PVSketch, which can then be seamlessly transitioned to PVCAD, an AutoCAD plugin, for comprehensive engineering design. By simplifying solar design, PVSketch empowers users to assemble complete solar projects in just five clicks. The platform's easy-to-use drawing tools ensure that anyone can achieve precise solar designs effortlessly. With a single click, users can generate a full layout, while those looking to enhance their projects further can refine their designs into more intricate configurations, raising the overall quality. Ultimately, PVSketch not only accelerates the early stages of solar project creation but also equips users with the tools to develop sophisticated and customized energy solutions. This capacity to adapt and modify designs makes PVSketch an invaluable resource for anyone involved in solar energy development.

SunDAT provides an innovative web-based platform for the design of utility-scale and commercial solar photovoltaic systems. Utilizing advanced patented technology, it aims to enhance the Ground Coverage Ratio (GCR) and increase energy production, even in difficult terrain. The system efficiently navigates complex boundaries and obstacles, greatly streamlining the design workflow. By automating various tasks, SunDAT significantly boosts the efficiency of solar design processes, allowing users to easily locate steep slopes or areas within an array that may require grading or should be avoided. Furthermore, the software allows for the creation of visual heatmaps, which can be exported to PVsyst for in-depth analysis, along with facilitating pile length calculations with ease. It supports exporting project data in multiple formats, including PDF, DXF, and DAE, which enhances its compatibility with design programs like AutoCAD and PVsyst for additional refinement and assessment. SunDAT Web is specifically designed to cater to both large utility projects and commercial PV installations, ranging from expansive 150MW ground-mount systems to smaller 2 MW rooftop projects. With SunDAT, users can be confident that their solar designs are not only effective in energy production but also optimized for the best use of available land. This comprehensive tool is essential for professionals aiming to maximize their renewable energy initiatives.

Effortlessly generate residential solar designs that are permit-ready at no cost. In just minutes, you can create a comprehensive permit package for as low as $49, all with a simple click. With the touch of a button, you can produce a solar permit package ready for submission. Each interaction is designed for maximum efficiency and convenience, making it incredibly accessible for users. Lyra is so intuitively structured that even experienced solar industry professionals can begin utilizing it immediately, without any prior training required. You can generate precisely what is needed for a permit, whether it’s a straightforward preliminary design or a complex, component-level permit-ready version. With just one click, convert your design into a permit package, showcasing just how simple the process is. The Lyra solar design tool is entirely free to use, needing only your email to initiate your first design. We also partner with solar design software companies to enhance their offerings. If your product currently does not support permit packaging features, reach out to us for potential collaboration opportunities. By working together, we can broaden our impact and enhance the tools available to solar professionals worldwide. This collaborative approach not only benefits individual users but also contributes to the growth and improvement of the solar industry as a whole.

Integrate critical data from a variety of key sources, such as SCADA systems and energy forecasts, into a unified software solution that operates independently of any hardware vendors or third-party services. Maintain a proactive stance by detecting both existing and potential issues through advanced performance monitoring coupled with AI-enhanced predictive analytics. Leverage this software to fully realize the potential of your assets by evaluating underperformance, pinpointing obstacles, and discovering avenues for optimization that can result in substantial cost savings. By implementing a versatile system that embraces industry-leading practices, you can significantly boost overall productivity and energy output throughout the organization, enabling teams to not only achieve but exceed their objectives. This holistic strategy empowers organizations to stay ahead of the competition and adapt effectively to the ever-changing market landscape, ensuring long-term success and sustainability. Moreover, fostering a culture of continuous improvement will enhance resilience and innovation within your teams, paving the way for future advancements.

Power Factors' Drive platform functions as an advanced cloud-based solution tailored for optimizing the performance of renewable energy assets. This cutting-edge software encompasses an extensive array of tools aimed at assisting owners, operators, and asset managers in effectively overseeing, managing, and improving the performance of their renewable assets, covering aspects from operational supervision to intricate reporting and technical management. Building on the data infrastructure of the Drive platform, Drive Pro introduces superior analytical features that encourage collaboration among all stakeholders involved in asset performance management, which includes critical components such as plant design, predictive analytics, and operations and maintenance (O&M). To enhance these capabilities, our asset-centric enterprise asset management (EAM) system, Drive O&M, seamlessly integrates with the Drive platform, ensuring the interconnection of operational events, maintenance records, and compliance requirements for each asset. Additionally, the integration of automated workflows and failure classifications plays a crucial role in extending the lifespan of the asset while simultaneously streamlining O&M processes. This integrated methodology not only boosts the efficiency of asset management but also actively promotes sustainable energy efforts, making it a vital part of the renewable energy landscape. Ultimately, our platform is designed to adapt and evolve, meeting the growing demands of the renewable energy sector.

OpusFlow serves as a comprehensive ERP solution tailored specifically for installation firms. It effectively caters to various installation needs, including solar panels, heat pumps, charging stations, and more, making it versatile for different sectors. By consolidating all business functions into a single platform, OpusFlow enhances operational efficiency and simplifies management processes. Moreover, it offers an appealing price without sacrificing any functionality or performance. The software includes a variety of modules, such as: - CRM - Customer portal - Calculation & Quotation - Invoicing - Purchase & Stock - Planning - Dashboarding - Project Management - Forms - Documents - Asset management - Workflow automations - HR - PV designer / SolarFlow These features equip installation companies with the tools necessary to optimize their workflows effectively.

SolarEdge Designer is a free online resource tailored for professionals in the solar industry, aimed at substantially lowering the expenses linked to photovoltaic design while facilitating the creation of compelling client proposals. This comprehensive platform empowers users to design, build, and validate SolarEdge systems for both residential and commercial applications, spanning from the initial idea to the final installation, which is vital for securing sales. Users benefit from an efficient design workflow that integrates a variety of automated features, such as stringing, quick design validation, identification of various obstacles, and bulk mapping of Power Optimizer barcodes. Moreover, site layouts can be easily exported to the SolarEdge Monitoring Platform, streamlining project management. To enhance customer engagement, the tool generates persuasive proposals that include thorough reports and accurate energy simulations, independently verified by DNV GL. The financial analytics capabilities provide precise assessments of potential savings on energy costs and return on investment for system owners. Additionally, the platform includes an impressive 3D simulation of the project site, further enriching the visual appeal of the proposals presented. By leveraging this advanced tool, solar industry professionals can not only refine their sales techniques but also significantly boost client satisfaction and confidence in their offerings. Ultimately, this innovative solution stands to transform how solar projects are conceived and sold, paving the way for greater industry success.

Keep your clients updated without unnecessary hassle. Bodhi integrates all customer communications into a single, user-friendly inbox, guaranteeing that they receive automatic notifications throughout every stage of their project. This efficient system not only reduces the likelihood of cancellations but also encourages natural growth through enhanced reviews and increased referrals. By leveraging the latest insights on solar adoption, Bodhi provides a personalized interface for managing client feedback and suggestions. Moreover, it facilitates easy monitoring of your solar fleet in one centralized location, offering insights from various monitoring platforms that keep clients engaged and promptly alerting you to any performance issues. With Bodhi, you gain essential tools to streamline your solar operations and consistently exceed customer expectations. It also aggregates communications from text, email, and in-app messages, ensuring that no client query is overlooked. In addition, Bodhi integrates smoothly with your CRM and project management software, equipping clients with a customized project tracker and automatic updates to enrich their experience. This holistic approach not only simplifies your workflow but also fortifies customer relationships, laying the groundwork for enduring success while also enhancing team collaboration.

Solar companies can significantly improve their sales processes by implementing a holistic CRM system that covers all aspects from managing leads to conducting financial evaluations, creating proposals, facilitating e-signatures, and handling invoicing. With Solar Logics, users gain access to an integrated tool designed for sizing solar panel systems and estimating costs effectively. Acknowledging the varied calculation techniques used by different installers, Solar Logics allows for tailored adjustments by enabling users to enter their unique technical, geographic, and construction specifications into the estimation tool. No matter how many lenders are involved or where clients are located, this platform streamlines the process of entering loan information and incentive details, which helps in forecasting both immediate and long-term savings reflected in the proposals. Additionally, Solar Logics produces comprehensive solar energy system proposals enriched with visual elements like charts and tables, illustrating electricity costs before and after solar installation, as well as detailing savings, incentives, expected payback periods, and an in-depth loan repayment breakdown. This comprehensive solution not only simplifies various tasks but also elevates the professionalism and clarity of client presentations, making it easier for companies to communicate the benefits of their offerings. By improving the overall presentation quality, users can foster greater trust and understanding with their clients, ultimately driving more sales.

Solar Commission Pro serves as a powerful sales tool tailored for professionals in the solar industry. This comprehensive platform enhances commission management by offering features including: Accurate commission calculations with tailored splits. Monitoring of deal progress and payment statuses. Management of various commission plans. An adder system that allows for both flat-rate and per watt additions. Thorough management of customer information. A mobile-friendly interface for easy access in the field. Solar sales agents, contractors, and teams looking to streamline their deal management and simplify commission calculations will find this tool invaluable. With secure access to commission data available on any device, users can efficiently monitor their performance and earnings. This resource ultimately aims to reduce the complexities often associated with commission handling.