Hielscher Electrical and Solar Cairns
Owner comes to your roof personally — then sends a six-person crew to finish the job in a day.
That means the quote you receive is based on an actual roof inspection, and multiple reviewers noted this led to a more accurate system recommendation than quotes they'd received from national companies. Install timelines have occasionally come in earlier than promised (one customer expected 10-12 weeks and was booked in six), though this is a sample snapshot, not a guarantee. The office team — named individually across many reviews — handles ongoing questions and Ergon paperwork, which homeowners with no prior solar experience found particularly helpful. If your property has a tile roof, a split-level layout, or other features that have caused previous installers to walk away, this is worth noting directly in your first conversation — several reviewers came to Hielscher specifically after being turned down elsewhere, and the outcomes were positive.
Their work
What it's like working with them
Based on a sample of Google reviews (187 total)
“had the owner even come out for the quote”
“the Fronius app was updated and all worked well after”
What they help with
Based on what their customers hired them for
How they stack up
Context from 447 solar panel installations in Cairns
Credentials & background
Sourced from 5 public records so you don't have to look them up yourself
About Hielscher Electrical and Solar Cairns
Brenton Hielscher runs this operation personally, and multiple customers specifically mention him conducting site visits and quotes — which is unusual for a solar company of this size. The business handles solar panel systems, battery storage, and switchboard upgrades often as a combined single-day job, with install teams of four to six tradespeople arriving coordinated and on time. Brock leads many of the installation crews and is consistently mentioned for clear post-install handovers and explaining apps like Fronius and Sigenergy SigenStor monitoring tools in plain language. Caroline and other office staff field the administrative side and earn separate praise from customers for proactive communication and prompt responses to mid-process questions. The team has demonstrable experience with non-standard properties — tile roofs (including decromastic), three-level pole homes, and investment properties with absent owners — and several reviewers specifically sought them out after other installers declined complex jobs. Returning customers using them for second and third installs across different properties suggest confidence in long-term support, not just the initial sale.
Best for: homeowners with tile roofs or non-standard properties that other installers have declined, first-time solar buyers who want an in-person site visit and detailed system guidance, and households looking to combine solar, battery storage, and switchboard upgrades in a single installation.
Location
Often needed together
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Claim This Profile — Free →Common questions about Hielscher Electrical and Solar Cairns
Does Hielscher Electrical and Solar handle homes with tile roofs or complex layouts?+
Yes, and this is one area where they stand out. Several reviewers specifically came to them after other companies refused jobs on tile roofs or unusual properties. For tile roofs, they arrange a licensed roofer to install tile roof brackets in advance of the solar install — a step some competitors skip, which can cause problems later. At least one customer also had a three-level pole home successfully quoted and installed.
What solar and battery brands does Hielscher Electrical and Solar install?+
Based on reviews, the team regularly installs Fronius inverters, Longi solar panels, and battery systems from Fronius and Sigenergy (including the SigenStor). Brenton and Brock are mentioned as particularly knowledgeable about guiding customers toward system options that match their usage — reviews describe them steering customers toward premium components rather than the cheapest available. Confirm current product availability when you enquire, as brand offerings can change.
How long does installation typically take, and what's the wait time for a booking?+
For a standard solar and battery install, reviews consistently describe the job being completed within a single day by a team of four to six tradespeople. Wait times from confirmation to install have varied — one reviewer reported a six-week turnaround against an estimated 10-12 weeks, while others mention a few months' lead time. It's worth asking about current availability when you get your quote, as demand in the Cairns region fluctuates seasonally.
What's included in the quoting process?+
Hielscher typically sends Brenton or Brock out for an in-person site visit before quoting, including a physical roof inspection to assess panel placement. Customers describe receiving detailed written quotes that outline system sizing, component options, and expected output — not just a price. Several reviewers compared Hielscher's quote favourably against national providers, noting that the on-site assessment led to a more tailored recommendation.
Do they help with the Ergon Energy connection process and monitoring setup?+
Yes, based on multiple reviews. The office team handles the Ergon paperwork and approval process as part of the install, which reviewers — particularly first-time solar buyers — found takes a lot of stress out of the process. On install day, the team sets up and demonstrates the monitoring app (Fronius or Sigenergy, depending on the system) before leaving, and at least one installer spent extra time troubleshooting a router to get the app running correctly.