Fronius vs Tesla Powerwall:Which is more popular?
In September 2026, Fronius and Tesla Powerwall were level in searches among solar inverter brands worldwide, with an estimated 74K branded searches each, at 22.9% of the total each. When we asked ChatGPT and Google AI Overviews about solar inverter brands, Tesla Powerwall appeared in three of the five answers and Fronius in two. Tesla Powerwall was mentioned before Fronius in two out of three answers.
Who do people search for more?
Fronius and Tesla Powerwall are searched for about as often as each other.
Who does AI mention more?
Tesla Powerwall, mentioned in 3 of 5 answers, Fronius in 2
Who does AI recommend more?
Tesla Powerwall, named ahead of Fronius in 2 of 3 answers
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Top solar inverter brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Tesla Powerwall was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Fronius was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Tesla Powerwall was listed before Fronius in two out of three answers.
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.
Enphase4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Tesla Powerwall3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SMA3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fronius2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SolarEdge2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Growatt1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
GoodWe0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about solar inverter brands
5 answers
Asked ChatGPT
“Which solar inverter brand should I buy?”
Asked ChatGPT
“What are the best solar inverter brands?”
Asked ChatGPT
“What's the best solar inverter brand for home solar systems?”
Searched Google, AI Overview
“hybrid solar inverter”
Searched Google, AI Overview
“solar inverter for home”
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 Fronius or Tesla Powerwall more popular in search?
This chart shows how often people search Google for Fronius and Tesla Powerwall by name. Each line represents a brand's share of searches for all seven solar inverter brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Fronius, Tesla Powerwall. The figures are in the table below the chart.
View monthly share of searches table
| Month | Fronius | SolarEdge | Tesla Powerwall | Enphase | Growatt | GoodWe | SMA |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 25.5% | 25.5% | 17% | 20.8% | 4.2% | 2.8% | 4.2% |
| Nov 2025 | 26.7% | 26.7% | 17.9% | 17.9% | 4.4% | 2.9% | 3.6% |
| Dec 2025 | 25.4% | 25.4% | 17% | 20.8% | 5.1% | 2.8% | 3.4% |
| Jan 2026 | 22.9% | 22.9% | 22.9% | 18.8% | 5.6% | 3.1% | 3.8% |
| Feb 2026 | 24.4% | 24.4% | 19.9% | 19.9% | 4.9% | 3.3% | 3.3% |
| Mar 2026 | 22.6% | 27.5% | 18.5% | 18.5% | 5.5% | 3.7% | 3.7% |
| Apr 2026 | 22.3% | 27.1% | 18.2% | 18.2% | 6.7% | 4.5% | 3% |
| May 2026 | 24.2% | 29.5% | 16.2% | 16.2% | 5.9% | 4% | 4% |
| Jun 2026 | 22.4% | 27.4% | 18.3% | 18.3% | 5.5% | 4.5% | 3.7% |
| Jul 2026 | 23.6% | 23.6% | 19.3% | 19.3% | 5.8% | 4.7% | 3.9% |
| Aug 2026 | 22.9% | 22.9% | 22.9% | 18.8% | 5.6% | 3.8% | 3.1% |
| Sep 2026 | 22.9% | 22.9% | 22.9% | 18.8% | 5.6% | 3.8% | 3.1% |
How has the Fronius and Tesla Powerwall comparison changed over the last 12 months?
3 findings
- Fronius was ahead of Tesla Powerwall in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Fronius’ share of searches among solar inverter brands worldwide moved from 25.5% to 22.9%, and its estimated monthly branded searches moved from 90.5K to 74K.
- Across the 12 months ending September 2026, Tesla Powerwall’s share of searches among solar inverter brands worldwide moved from 17% to 22.9%, and its estimated monthly branded searches moved from 60.5K to 74K.
How did search popularity change for solar inverter brands worldwide in September 2026?
2 changes
Estimated monthly branded searches for Tesla Powerwall worldwide rose 22.3% over 12 measured months, from 60.5K to 74K in September 2026.
Estimated monthly branded searches for Fronius worldwide fell 18.2% over 12 measured months, from 90.5K to 74K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Fronius’ and Tesla Powerwall’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.
Fronius
1 branded search term
- fronius
Tesla Powerwall
1 branded search term
- tesla powerwall
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