--- title: "OpenSolar vs PVsyst: Which is searched more?" description: "Is OpenSolar or PVsyst more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Solar design software set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/compare/opensolar-vs-pvsyst" publisher: "Brandwave" --- # OpenSolar vs PVsyst: Which is searched more? Is OpenSolar or PVsyst more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Solar design software set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: OpenSolar and PVsyst - **Competitive set**: Solar design software - **Market**: Global - **Month measured**: Sep 2026 - **OpenSolar Share of Search**: 21.6% - **PVsyst Share of Search**: 32.3% ## Is OpenSolar or PVsyst more popular in search? - In September 2026, PVsyst had more branded searches than OpenSolar among solar design software worldwide. PVsyst had about 22,200 branded searches, while OpenSolar had 14,800. PVsyst made up 32.3% of all solar design software searches we track, and OpenSolar accounted for 21.6%. - PVsyst was ahead of OpenSolar in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, OpenSolar’s share of searches among solar design software worldwide moved from 18% to 21.6%, and its estimated monthly branded searches held steady at 14.8K. - Across the 12 months ending September 2026, PVsyst’s share of searches among solar design software worldwide moved from 32.9% to 32.3%, and its estimated monthly branded searches moved from 27.1K to 22.2K. ## Top solar design software in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, OpenSolar appeared in all five answers. PVsyst was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. OpenSolar was listed before PVsyst in three out of five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Aurora Solar | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | OpenSolar | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | PVsyst | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | HelioScope | 4th | 3 of 3 | 1 of 2 | 4 of 5 | | Pylon | 5th | 0 of 3 | 2 of 2 | 2 of 5 | | PVcase | 6th | 2 of 3 | 0 of 2 | 2 of 5 | | Solargraf | 7th | 0 of 3 | 1 of 2 | 1 of 5 | ## Every AI answer about solar design software - Asked ChatGPT "Which solar design software should I use?": 1. Aurora Solar, 2. OpenSolar, 3. PVsyst, 4. HelioScope - Asked ChatGPT "What are the best solar design software tools?": 1. Aurora Solar, 2. PVsyst, 3. HelioScope, 4. OpenSolar, 5. PVcase - Asked ChatGPT "What's the best solar design software for solar system design?": 1. Aurora Solar, 2. PVsyst, 3. HelioScope, 4. OpenSolar, 5. PVcase - Searched Google, AI Overview "solar design software": 1. OpenSolar, 2. Aurora Solar, 3. Pylon, 4. PVsyst - Searched Google, AI Overview "solar proposal software": 1. OpenSolar, 2. Aurora Solar, 3. Pylon, 4. HelioScope, 5. Solargraf Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for solar design software worldwide in September 2026? - Estimated monthly branded searches for PVsyst worldwide fell 18.1% over 12 measured months, from 27.1K to 22.2K in September 2026. ## Month by month | Month | OpenSolar estimated searches | OpenSolar Share of Search | OpenSolar rank | PVsyst estimated searches | PVsyst Share of Search | PVsyst rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 14.8K | 18% | 4 | 27.1K | 32.9% | 1 | | Nov 2025 | 12.1K | 16.2% | 3 | 27.1K | 36.4% | 1 | | Dec 2025 | 9.9K | 16.3% | 3 | 22.2K | 36.5% | 1 | | Jan 2026 | 12.1K | 16.8% | 4 | 22.2K | 30.9% | 1 | | Feb 2026 | 14.8K | 19.8% | 3 | 22.2K | 29.7% | 1 | | Mar 2026 | 18.1K | 21.7% | 3 | 27.1K | 32.6% | 1 | | Apr 2026 | 18.1K | 21.1% | 3 | 27.1K | 31.6% | 1 | | May 2026 | 14.8K | 18.7% | 3 | 27.1K | 34.2% | 1 | | Jun 2026 | 14.8K | 20.8% | 3 | 22.2K | 31.2% | 1 | | Jul 2026 | 14.8K | 21% | 3 | 22.2K | 31.5% | 1 | | Aug 2026 | 14.8K | 21.7% | 3 | 22.2K | 32.6% | 1 | | Sep 2026 | 14.8K | 21.6% | 3 | 22.2K | 32.3% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using OpenSolar’s and PVsyst’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **OpenSolar**: Measured on the search term “opensolar”. - **PVsyst**: Measured on the search term “pvsyst”. - [OpenSolar profile](/demand/global-en/brands/opensolar) - [PVsyst profile](/demand/global-en/brands/pvsyst) - [All solar design software worldwide](/demand/global-en/categories/solar-design-software): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is OpenSolar or PVsyst more popular in search? In September 2026, PVsyst had more branded searches than OpenSolar among solar design software worldwide. PVsyst had about 22,200 branded searches, while OpenSolar had 14,800. PVsyst made up 32.3% of all solar design software searches we track, and OpenSolar accounted for 21.6%. ## Cite this page Brandwave. "OpenSolar vs PVsyst: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/opensolar-vs-pvsyst This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/opensolar-vs-pvsyst. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.