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Altona · Melbourne, Victoria · October 2026 figures

Best solar installers in Altona, VIC

The top-ranked solar installers in Altona are Sunline Energy (4.7 from 317 reviews), We Wire (4.9 from 30 reviews) and Green Electric Solutions Pty Ltd (4.5 from 256 reviews). 6 are ranked here, in the order of the 542 on the Melbourne list.

Ranked
6
Median rating
4.5
Reviews behind the list
763
Open Saturday
2 of 6

The ranked list

  1. Rank 1.

    Sunline Energy

    Altona · #122 in Melbourne · Solar energy company

    4.7 317 reviews Proven 4.66

    1300 767 652Website
  2. Rank 2.

    We Wire

    Altona · #212 in Melbourne · Solar energy company

    4.9 30 reviews Proven 4.54

    Open SaturdayOpens early

    0413 122 201Website
  3. Rank 3.

    Green Electric Solutions Pty Ltd

    Altona · #258 in Melbourne · Solar energy company

    4.5 256 reviews Proven 4.46

    Open Saturday

    0450 347 165Website
  4. Rank 4.

    Ges Energy

    Altona · #350 in Melbourne · Solar energy company

    4.4 113 reviews Proven 4.34

    1300 811 031Website
  5. Rank 5.

    Krannich Solar Melbourne Pty. Ltd.

    Altona · #486 in Melbourne · Solar energy company

    4.1 14 reviews Proven 4.04

    Opens early

    (03) 9339 5100Website
  6. Rank 6.

    Cosmic Solar

    Altona · #503 in Melbourne · Solar energy company

    3.8 33 reviews Proven 3.88

    (03) 8398 0838Website

Solar Installers in Altona at a glance

  • 6 solar installers in Altona are ranked here, with 763 Google reviews between them and a median rating of 4.5.
  • 100% list a website and 100% a phone number on Google.
  • 2 of the 6 that list opening hours open on Saturday, and none on Sunday.
  • Sunline Energy in Altona has the most Google reviews (317), averaging 4.7.

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Questions

Who are the best solar installers in Altona?

The top-ranked solar installers in Altona are Sunline Energy (4.7 from 317 reviews), We Wire (4.9 from 30 reviews) and Green Electric Solutions Pty Ltd (4.5 from 256 reviews). Each is ranked by proven rating, its Google rating weighted by the number of reviews behind it.

How many solar installers are there in Altona?

The Agentize Directory ranks 6 solar installers in Altona, each with a Google rating from at least five reviews. Their median rating is 4.5, from 763 reviews in all.

Which solar installers in Altona are open on weekends?

None of the 6 that list hours on Google open on both Saturday and Sunday; 2 open on Saturday.

Which solar installer in Altona has the most reviews?

Sunline Energy has the most Google reviews of any solar installer ranked in Altona: 317, averaging 4.7.

How is this list of solar installers ranked?

Every list is ranked by proven rating: a business's Google rating weighted by the reviews behind it, so a perfect score from five reviews cannot outrank a near-perfect one from five hundred. No business pays to be listed or to move up. How the ranking works.

Solar Installers in other Melbourne suburbs

All 542 solar installers in Melbourne

More in Altona

Ratings and review counts are Google's, as listed in October 2026. Phone numbers, websites and opening hours are the ones each business lists on Google. No business pays to be listed or to move up, and none is verified or endorsed by Agentize. How the ranking works.