HOMER Pro vs PVsyst:Which is more popular?
In September 2026, PVsyst had more branded searches than HOMER Pro among renewable energy software worldwide. PVsyst had about 22,200 branded searches, while HOMER Pro had 3,600. PVsyst made up 28.1% of all renewable energy software searches we track, and HOMER Pro accounted for 4.6%. When we asked ChatGPT and Google AI Overviews about renewable energy software, HOMER Pro and PVsyst each appeared in three of the five answers. PVsyst was mentioned before HOMER Pro in every answer.
Who do people search for more?
PVsyst, about 6 searches for every 1 for HOMER Pro
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
PVsyst, named ahead of HOMER Pro in every answer
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Top renewable energy software in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, HOMER Pro and PVsyst were each mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. PVsyst was listed before HOMER Pro in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- PVsyst3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- HOMER Pro3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Power Factors2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Aurora Solar2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AlsoEnergy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Greenbyte0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
QOS Energy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- 3megawatt0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about renewable energy software
5 answers
Asked ChatGPT
“Which renewable energy software should I use?”
Asked ChatGPT
“What are the best renewable energy software tools?”
Asked ChatGPT
“What's the best renewable energy software for managing solar assets?”
Searched Google, AI Overview
“renewable energy software”
Searched Google, AI Overview
“solar asset management”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is HOMER Pro or PVsyst more popular in search?
This chart shows how often people search Google for HOMER Pro and PVsyst by name. Each line represents a brand's share of searches for all eight renewable energy software we track, month by month, from English-language searches worldwide.
Share of searches by month for PVsyst, HOMER Pro. The figures are in the table below the chart.
View monthly share of searches table
| Month | Power Factors | PVsyst | Aurora Solar | HOMER Pro | AlsoEnergy | Greenbyte | QOS Energy | 3megawatt |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 50% | 27.4% | 15% | 4.4% | 1.9% | 1% | 0.17% | 0.07% |
| Nov 2025 | 52.8% | 28.9% | 10.6% | 4.7% | 1.7% | 1.1% | 0.15% | 0.05% |
| Dec 2025 | 57.5% | 25.8% | 9.4% | 4.2% | 1.9% | 1% | 0.16% | 0.05% |
| Jan 2026 | 54.7% | 24.5% | 13.4% | 4% | 2.1% | 1.1% | 0.15% | 0.08% |
| Feb 2026 | 55.4% | 24.9% | 13.5% | 3.2% | 1.8% | 0.99% | 0.12% | 0.04% |
| Mar 2026 | 46.4% | 31.1% | 13.9% | 5% | 2.2% | 1.1% | 0.19% | 0.05% |
| Apr 2026 | 45.1% | 30.2% | 16.5% | 4.9% | 2.1% | 0.98% | 0.12% | 0.06% |
| May 2026 | 46.7% | 31.2% | 13.9% | 5.1% | 1.8% | 1% | 0.1% | 0.1% |
| Jun 2026 | 49.9% | 27.3% | 14.9% | 4.4% | 2% | 1.2% | 0.14% | 0.09% |
| Jul 2026 | 45.3% | 30.4% | 16.6% | 4% | 2.2% | 1.4% | 0.12% | 0.1% |
| Aug 2026 | 46.8% | 31.4% | 14% | 4.1% | 2.3% | 1.2% | 0.1% | 0.07% |
| Sep 2026 | 51.3% | 28.1% | 12.5% | 4.6% | 2% | 1.3% | 0.09% | 0.06% |
How has the HOMER Pro and PVsyst comparison changed over the last 12 months?
3 findings
- PVsyst was ahead of HOMER Pro in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, HOMER Pro’s share of searches among renewable energy software worldwide moved from 4.4% to 4.6%, and its estimated monthly branded searches moved from 4.4K to 3.6K.
- Across the 12 months ending September 2026, PVsyst’s share of searches among renewable energy software worldwide moved from 27.4% to 28.1%, and its estimated monthly branded searches moved from 27.1K to 22.2K.
How did search popularity change for renewable energy software worldwide in September 2026?
2 changes
In September 2026, PVsyst lost share of searches among renewable energy software worldwide, from 31.4% to 28.1%.
Estimated monthly branded searches for HOMER Pro worldwide fell 18.2% over 12 measured months, from 4.4K to 3.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using HOMER Pro’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.
Other head-to-heads among renewable energy software
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