Fronius vs Tesla Powerwall:Which is more popular?
In September 2026, Fronius had more branded searches than Tesla Powerwall among solar inverter and home battery brands in New Zealand. Fronius had about 1,710 branded searches, while Tesla Powerwall had 1,470. Fronius made up 34.3% of all solar inverter and home battery brand searches we track, and Tesla Powerwall accounted for 29.5%. When we asked ChatGPT and Google AI Overviews about solar inverter and home battery brands, Fronius and Tesla Powerwall each appeared in four of the five answers. Fronius was mentioned before Tesla Powerwall in four out of five answers.
Who do people search for more?
Fronius, about 16% more searches than Tesla Powerwall
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
Fronius, named ahead of Tesla Powerwall in 4 of 5 answers
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Top solar inverter and home battery brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Fronius and Tesla Powerwall were each mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Fronius was listed before Tesla Powerwall in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Fronius1st
Sungrow2nd
Tesla Powerwall3rd
Enphase4th
GoodWe5th- BYD Battery-Box6th
SolarEdge7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Enphase5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Sungrow5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Fronius4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Tesla Powerwall4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- GoodWe4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- BYD Battery-Box3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- SolarEdge1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about solar inverter and home battery brands
5 answers
Asked ChatGPT
“Which home solar inverter or battery brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best home solar inverter and battery brands in New Zealand?”
Asked ChatGPT
“What's the best home solar inverter or battery brand in New Zealand for a home system?”
Searched Google, AI Overview
“best solar battery”
Searched Google, AI Overview
“home solar inverter brands nz”
Brands are shown in the order each answer named them. The survey took place in New Zealand 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 and home battery brands we track, month by month, from searches in New Zealand.
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 | Tesla Powerwall | Enphase | Sungrow | GoodWe | BYD Battery-Box | SolarEdge |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 31.4% | 33.7% | 18.5% | 6% | 4.8% | 3.5% | 2.1% |
| Nov 2025 | 32.3% | 28.1% | 24.2% | 6.2% | 3.9% | 3% | 2.3% |
| Dec 2025 | 43% | 24.9% | 15.4% | 7% | 4.7% | 3.1% | 2% |
| Jan 2026 | 35.9% | 31% | 16.2% | 7% | 4.1% | 4.1% | 1.7% |
| Feb 2026 | 35.8% | 30.4% | 17.7% | 5.9% | 3.9% | 4.2% | 2% |
| Mar 2026 | 30% | 37.1% | 15.1% | 5.7% | 4% | 5.7% | 2.3% |
| Apr 2026 | 26.2% | 39.1% | 16.1% | 6.4% | 3.9% | 5.8% | 2.4% |
| May 2026 | 28.9% | 31.8% | 22.1% | 5.3% | 4.3% | 4.9% | 2.7% |
| Jun 2026 | 32.3% | 30.6% | 21.3% | 6.6% | 3.6% | 3.4% | 2.1% |
| Jul 2026 | 30.1% | 33.5% | 19.7% | 5.8% | 4.5% | 3.9% | 2.4% |
| Aug 2026 | 34.9% | 28.8% | 18.5% | 6.6% | 4.8% | 4.6% | 1.8% |
| Sep 2026 | 34.3% | 29.5% | 19.7% | 5.6% | 5.2% | 3.6% | 2% |
How has the Fronius and Tesla Powerwall comparison changed over the last 12 months?
3 findings
- The lead changed hands 5 times in the 12 months ending September 2026: Fronius took it in November 2025, Tesla Powerwall took it in March 2026, Fronius took it in June 2026, Tesla Powerwall took it in July 2026, Fronius took it in August 2026.
- Across the 12 months ending September 2026, Fronius’ share of searches among solar inverter and home battery brands in New Zealand moved from 31.4% to 34.3%, and its estimated monthly branded searches moved from 1.4K to 1.7K.
- Across the 12 months ending September 2026, Tesla Powerwall’s share of searches among solar inverter and home battery brands in New Zealand moved from 33.7% to 29.5%, and its estimated monthly branded searches held steady at 1.5K.
How did search popularity change for New Zealand solar inverter and home battery brands in September 2026?
2 changes
In September 2026, Tesla Powerwall gained share of searches among solar inverter and home battery brands in New Zealand, from 28.8% to 29.5%.
In September 2026, Fronius lost share of searches among solar inverter and home battery brands in New Zealand, from 34.9% to 34.3%.
How are branded searches counted?
15 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
8 branded search terms
- fronius
- fronius home battery
- fronius inverter
- fronius solar
- fronius solar battery
- fronius solar web
- fronius welder
- solar fronius web
Tesla Powerwall
7 branded search terms
- powerwall
- powerwall 3
- powerwall 3 tesla
- tesla powerwall
- tesla powerwall 2
- tesla powerwall inverter
- teslapowerwall
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