PVcase vs Solargraf:Which is more popular?
In September 2026, PVcase had more branded searches than Solargraf among solar design software worldwide. PVcase had about 3,600 branded searches, while Solargraf had 1,600. PVcase made up 5.2% of all solar design software searches we track, and Solargraf accounted for 2.3%. When we asked ChatGPT and Google AI Overviews about solar design software, PVcase appeared in two of the five answers and Solargraf in one. PVcase was mentioned before Solargraf in two out of three answers that named either.
Who do people search for more?
PVcase, about 2 searches for every 1 for Solargraf
Who does AI mention more?
PVcase, mentioned in 2 of 5 answers, Solargraf in 1
Who does AI recommend more?
PVcase, named ahead of Solargraf in 2 of 3 answers
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Top solar design software in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, PVcase was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Solargraf was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. PVcase was listed before Solargraf in two out of three answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Aurora Solar1st
OpenSolar2nd
PVsyst3rd- HelioScope4th
Pylon5th- PVcase6th
Solargraf7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- OpenSolar5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Aurora Solar5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- PVsyst4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- HelioScope4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- PVcase2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Pylon2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Solargraf1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about solar design software
5 answers
Asked ChatGPT
“Which solar design software should I use?”
Asked ChatGPT
“What are the best solar design software tools?”
Asked ChatGPT
“What's the best solar design software for solar system design?”
Searched Google, AI Overview
“solar design software”
Searched Google, AI Overview
“solar proposal software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is PVcase or Solargraf more popular in search?
This chart shows how often people search Google for PVcase and Solargraf by name. Each line represents a brand's share of searches for all seven solar design software we track, month by month, from English-language searches worldwide.
Share of searches by month for PVcase, Solargraf. The figures are in the table below the chart.
View monthly share of searches table
| Month | PVsyst | HelioScope | OpenSolar | Aurora Solar | PVcase | Pylon | Solargraf |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 32.9% | 22% | 18% | 18% | 4.4% | 2.4% | 2.3% |
| Nov 2025 | 36.4% | 24.3% | 16.2% | 13.3% | 4.8% | 2.8% | 2.1% |
| Dec 2025 | 36.5% | 24.4% | 16.3% | 13.3% | 4.8% | 2.6% | 2.1% |
| Jan 2026 | 30.9% | 25.2% | 16.8% | 16.8% | 5% | 3% | 2.2% |
| Feb 2026 | 29.7% | 24.2% | 19.8% | 16.2% | 4.8% | 3.2% | 2.1% |
| Mar 2026 | 32.6% | 21.7% | 21.7% | 14.5% | 4.3% | 2.8% | 2.3% |
| Apr 2026 | 31.6% | 21.1% | 21.1% | 17.2% | 4.2% | 2.6% | 2.2% |
| May 2026 | 34.2% | 22.8% | 18.7% | 15.3% | 4.5% | 2.4% | 2% |
| Jun 2026 | 31.2% | 20.8% | 20.8% | 17% | 5.1% | 2.9% | 2.2% |
| Jul 2026 | 31.5% | 21% | 21% | 17.2% | 4.1% | 2.8% | 2.3% |
| Aug 2026 | 32.6% | 21.7% | 21.7% | 14.5% | 4.3% | 2.9% | 2.3% |
| Sep 2026 | 32.3% | 21.6% | 21.6% | 14.4% | 5.2% | 2.6% | 2.3% |
How has the PVcase and Solargraf comparison changed over the last 12 months?
3 findings
- PVcase was ahead of Solargraf in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, PVcase’s share of searches among solar design software worldwide moved from 4.4% to 5.2%, and its estimated monthly branded searches held steady at 3.6K.
- Across the 12 months ending September 2026, Solargraf’s share of searches among solar design software worldwide held steady at 2.3%, and its estimated monthly branded searches moved from 1.9K to 1.6K.
How did search popularity change for solar design software worldwide in September 2026?
2 changes
In September 2026, PVcase gained share of searches among solar design software worldwide, from 4.3% to 5.2%.
Estimated monthly branded searches for Solargraf worldwide fell 15.8% over 12 measured months, from 1.9K to 1.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using PVcase’s and Solargraf’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.
Other head-to-heads among solar design software
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