#1
Eco Sparks Solar & Electrical Contractors
5.0
Read 100 reviews · Score: 91/100
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Bestin
2026 Rankings
Best Solar Installers in Darwin
Compare the top solar installers in Darwin, NT, ranked by our composite reputation score.
Updated October 2026 · Based on 2,266 real Google reviews across the 32 solar installers
Bestin
Top Solar Installers in Darwin, NT
The short answer
As of October 2026, the 3 highest-ranked solar installers in Darwin, NT on the Starworks directory are Eco Sparks Solar & Electrical Contractors (5.0 stars from 100 Google reviews), Oneroof Solar (4.9 stars from 125 Google reviews) and Oneroof Solar (4.9 stars from 124 Google reviews).
Starworks ranks 32 solar installers in Darwin, NT, holding 2,266 Google reviews between them. Across the 32 the median rating is 4.9 stars from a median of 16 reviews. Of the 32, 24 are rated 4.5 or better and 5 have passed 100 reviews. The most-reviewed carries 983 reviews, more than the top-ranked solar installer holds, which is why rating alone does not set the order.
Every figure here is computed from Google review data that Starworks collects for solar installers in Darwin, NT, recalculated when this page rebuilds. Placement on this list cannot be bought.
#4
Top End Solar - Solar Panels Darwin
5.0
Read 82 reviews · Score: 81/100
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#7
Outback Batteries Darwin
4.8
Read 86 reviews · Score: 66/100
532 Stuart Hwy, Darwin NT 0820
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#14
Your Green Planet - Solar Panels Darwin
5.0
Read 4 reviews · Score: 57/100
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#21
German Solar
5.0
Read 1 reviews · Score: 48/100
11/4 Gayler Court, Johnston NT 0832
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#23
Rimfire Energy - Solar and Electricity
4.4
Read 27 reviews · Score: 40/100
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What customers wrote about solar installers in Darwin
Real Google reviews of businesses ranked on this page. Reviewer names are never shown.
“I found the staff to be proactive in helping me choose the right system for my needs, professional and not pushy regarding sales. On the day of install they turned up on time and got to work right away. The install team…”
“I recently had a complete solar and battery system installed by Oneroof Solar in Darwin, and I couldn't be happier with the experience. From my first enquiry through to the final installation, the team delivered…”
“My experience with Oneroof Solar was excellent. There was an initial supply issue which delayed the installation. (Damage to solar panels whilst being freighted, not Oneroof Solars fault) From there on everything went…”
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Frequently Asked Questions
Common questions about solar installers in Darwin.
Who are the best solar installers in Darwin?
As of October 2026, the 3 highest-ranked solar installers in Darwin, NT on the Starworks directory are Eco Sparks Solar & Electrical Contractors (5.0 stars from 100 Google reviews), Oneroof Solar (4.9 stars from 125 Google reviews) and Oneroof Solar (4.9 stars from 124 Google reviews). Every figure here is computed from Google review data that Starworks collects for solar installers in Darwin, NT, recalculated when this page rebuilds. Placement on this list cannot be bought.
How many solar installers does Starworks rank in Darwin?
Starworks ranks 32 solar installers in Darwin, NT, holding 2,266 Google reviews between them. Across the 32 the median rating is 4.9 stars from a median of 16 reviews. Of the 32, 24 are rated 4.5 or better and 5 have passed 100 reviews. The most-reviewed carries 983 reviews, more than the top-ranked solar installer holds, which is why rating alone does not set the order.
What star rating should I expect from a good solar installer in Darwin?
The median Google rating across the 32 solar installers Starworks ranks in Darwin, NT is 4.9 stars, and 24 of them sit at 4.5 or above. A rating at or near that median is ordinary for solar installers in Darwin, NT rather than a warning sign on its own, and a rating well above it only means much when enough reviews stand behind it.
How many Google reviews does an established solar installer in Darwin have?
The median solar installer Starworks ranks in Darwin, NT carries 16 Google reviews, and 5 of the 32 solar installers have passed 100. The most-reviewed of them carries 983.
How does Starworks rank solar installers in Darwin?
Starworks gives every solar installer in Darwin, NT a reputation score out of 100 from three things: its Google star rating (up to 47 points), how many reviews back that rating (up to 35), and whether customers can reach it by website and phone number (up to 18). Review volume is the one part that can subtract: below 15 reviews it costs points, because a near-empty review record gives a stranger very little to go on. No score falls below 0 and placement cannot be bought. The score measures the strength of a business's public review record rather than the quality of its work, so it is worth reading the reviews as well, and every listing links to them on Google.
Why does a solar installer in Darwin with all 5-star reviews score lower than one with a lower rating?
Because review volume counts as well as rating, and below 15 reviews it counts against you. Five perfect reviews are encouraging but thin evidence; three hundred reviews averaging 4.7 tell a stranger far more about what to expect on the day. That is a judgement about how much proof exists, not about the quality of the work, and a newer solar installer with a handful of excellent reviews may still be the right choice in Darwin, NT. The star rating and review count sit next to every score so you can weigh both yourself.
Why does the same solar installer not appear several times on this list?
Some businesses run more than one Google listing, often one per suburb they service. Those are the same company, so Starworks groups them and shows the business once, using the listing with the strongest review record. That is why this page opens with 32 distinct solar installers in Darwin, NT rather than a longer list of repeats.
How often is this list of solar installers in Darwin updated?
This ranking of solar installers in Darwin, NT rebuilds on a 30-day cycle and prints the date of its last rebuild above the list, which for the current version is October 2026. Ratings and review counts are re-read from Google over time rather than on a fixed schedule, so an individual figure here can be older than the rebuild date.
How can I improve my solar installer business ranking in Darwin?
Collect genuine customer reviews consistently, and keep a working website and phone number on your Google listing, because those are the three inputs the score reads. There is no placement to buy on this page. For scale: the median solar installer Starworks ranks in Darwin, NT carries 16 Google reviews at 4.9 stars.
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