Brandwave

Enphase vs Fronius:Which is more popular?

In September 2026, Fronius had more branded searches than Enphase among solar inverter brands worldwide. Fronius had about 74,000 branded searches, while Enphase had 60,500. Fronius made up 22.9% of all solar inverter brand searches we track, and Enphase accounted for 18.8%. When we asked ChatGPT and Google AI Overviews about solar inverter brands, Enphase appeared in four of the five answers and Fronius in two. Enphase was mentioned before Fronius in every answer.

Among solar inverter brands worldwide in September 2026

Who do people search for more?

Fronius, about 22% more searches than Enphase

Fronius 74K searchesEnphase 60.5K searches

Who does AI mention more?

Enphase, mentioned in 4 of 5 answers, Fronius in 2

Enphase in 4 of 5Fronius in 2 of 5

Who does AI recommend more?

Enphase, named ahead of Fronius in every answer

Enphase first in 3Fronius never first

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Top solar inverter brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Enphase was mentioned in four out of five: in all three ChatGPT answers and in one 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. Enphase was listed before Fronius in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Enphase1st
  2. SMA2nd
  3. Tesla Powerwall3rd
  4. SolarEdge4th
  5. Fronius5th
  6. Growatt–
  7. GoodWe–

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

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 Enphase or Fronius more popular in search?

This chart shows how often people search Google for Enphase and Fronius 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.

Enphase and Fronius among solar inverter brands worldwide, by month

Share of searches by month for Fronius, Enphase. The figures are in the table below the chart.

View monthly share of searches table
MonthFroniusSolarEdgeTesla PowerwallEnphaseGrowattGoodWeSMA
Oct 202525.5%25.5%17%20.8%4.2%2.8%4.2%
Nov 202526.7%26.7%17.9%17.9%4.4%2.9%3.6%
Dec 202525.4%25.4%17%20.8%5.1%2.8%3.4%
Jan 202622.9%22.9%22.9%18.8%5.6%3.1%3.8%
Feb 202624.4%24.4%19.9%19.9%4.9%3.3%3.3%
Mar 202622.6%27.5%18.5%18.5%5.5%3.7%3.7%
Apr 202622.3%27.1%18.2%18.2%6.7%4.5%3%
May 202624.2%29.5%16.2%16.2%5.9%4%4%
Jun 202622.4%27.4%18.3%18.3%5.5%4.5%3.7%
Jul 202623.6%23.6%19.3%19.3%5.8%4.7%3.9%
Aug 202622.9%22.9%22.9%18.8%5.6%3.8%3.1%
Sep 202622.9%22.9%22.9%18.8%5.6%3.8%3.1%

How has the Enphase and Fronius comparison changed over the last 12 months?

3 findings
  • Fronius was ahead of Enphase in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Enphase’s share of searches among solar inverter brands worldwide moved from 20.8% to 18.8%, and its estimated monthly branded searches moved from 74K to 60.5K.
  • 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.

How did search popularity change for solar inverter brands worldwide in September 2026?

2 changes
  1. Estimated monthly branded searches for Enphase worldwide fell 18.2% over 12 measured months, from 74K to 60.5K in September 2026.

  2. 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 Enphase’s and Fronius’ 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.

Enphase

1 branded search term

  • enphase

Fronius

1 branded search term

  • fronius

How the Brand Demand Index is measured

Other head-to-heads among solar inverter brands

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