HelioScope vs OpenSolar:Which is more popular?
In September 2026, HelioScope and OpenSolar were level in searches among solar design software worldwide, with an estimated 14.8K branded searches each, at 21.6% of the total each. When we asked ChatGPT and Google AI Overviews about solar design software, OpenSolar appeared in all five answers and HelioScope in four. OpenSolar was mentioned before HelioScope in three out of five answers.
Who do people search for more?
HelioScope and OpenSolar are searched for about as often as each other.
Who does AI mention more?
OpenSolar, mentioned in every answer we collected
Who does AI recommend more?
OpenSolar, named ahead of HelioScope in 3 of 5 answers
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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. HelioScope 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 HelioScope in three out of five answers.
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 HelioScope or OpenSolar more popular in search?
This chart shows how often people search Google for HelioScope and OpenSolar 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 HelioScope, OpenSolar. 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 HelioScope and OpenSolar comparison changed over the last 12 months?
3 findings
- HelioScope was ahead of OpenSolar in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, HelioScope’s share of searches among solar design software worldwide moved from 22% to 21.6%, and its estimated monthly branded searches moved from 18.1K to 14.8K.
- 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.
How did search popularity change for solar design software worldwide in September 2026?
1 change
Estimated monthly branded searches for HelioScope worldwide fell 18.2% over 12 measured months, from 18.1K to 14.8K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using HelioScope’s and OpenSolar’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.
HelioScope
1 branded search term
- helioscope
OpenSolar
1 branded search term
- opensolar
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