DQ Electrical
Five repeat projects at one eco-village — and the owner still picks up the phone after installation.
That post-sale reliability is rare in the solar category, where many installers are harder to reach once payment clears. Sales consultants Nathan and Ben are independently praised for honest system sizing: both are credited with recommending larger systems than competitors quoted, with the reasoning explained in full rather than just a higher number on a page. The company uses its own employed crews rather than subcontractors, which reviewers flag as a reason their workmanship feels consistent across jobs — including on difficult rural properties on Yorke Peninsula and multi-storey homes. One review in the sample describes a property damage dispute that went unresolved to the customer's satisfaction, though this appears isolated across the wider review pool; worth noting but not a pattern. Ask DQ directly about their on-site damage policy before work begins if your property has tight access or delicate surfaces.
Their work
What it's like working with them
Based on a sample of Google reviews (116 total)
“the team escalated it immediately and replaced the battery with a new one very quickly”
“keeping 13.2kW rated solar panels cool enough to be producing 17.3kW of power”
What they help with
Based on what their customers hired them for
How they stack up
Context from 34 solar panel installations in Gawler
Credentials & background
Sourced from 5 public records so you don't have to look them up yourself
About DQ Electrical
Founded in 2009 and now spanning roughly 12 years of operation, DQ Electrical is a South Australian company specialising in solar panel installation, battery storage systems, and inverter upgrades — with a particular focus on complete residential energy setups rather than standalone panel-only jobs. Owner Don Quattrocchi is mentioned directly in reviews as hands-on with system design and available post-installation, which is uncommon at this scale. On the sales side, Nathan Birch is singled out for technically rigorous quotes that go deeper than competitors' proposals, Steve is praised for patient and pressure-free consultation, and Ben consistently earns mentions for sizing systems correctly to match actual household usage rather than underselling capacity. Installation crews — including named teams of Josh, Cameron, Michael, Brenton, Harry, Ethan, Nick, Jay, and others — are repeatedly noted for vertical rail mounting (a detail-oriented technique that improves airflow, reduces leaf buildup, and has been shown to push output beyond panel ratings), same-day completion on complex jobs, and thorough site cleanup including removal of old materials. Office staff — Maddie, Lilia, Monique, Mary, and Anita — are called out specifically for keeping customers informed through council approvals, meter changeovers, and grid connection paperwork, which reviewers flag as a real differentiator given how confusing that process typically is. DQ's after-sales support on warranty claims and inverter faults is a recurring theme, with the team handling supplier escalations on behalf of customers rather than leaving homeowners to manage that themselves.
Best for: whole-home solar and battery installations where you want one company to handle grid connection paperwork, residents in regional SA who need a crew willing to travel, homeowners adding battery storage or extra capacity to an existing system, and buyers who want post-installation support without having to chase the installer.
Location
Often needed together
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Claim This Profile — Free →Common questions about DQ Electrical
Does DQ Electrical service regional and rural areas, or only metro Adelaide?+
DQ services well beyond metro Adelaide — multiple reviews specifically mention installations on Yorke Peninsula, with crews travelling from Adelaide to complete the job. One reviewer notes the team came from Adelaide, worked efficiently, and took all rubbish and old panels away with them. If you're outside the metro area, it's worth confirming travel costs upfront, but rural installs are clearly not unusual for them.
What do customers say about DQ Electrical's pricing compared to other solar quotes?+
Reviewers consistently describe DQ's pricing as competitive rather than the cheapest outright, with several noting they obtained three to six quotes before choosing DQ. The recurring pattern is that DQ's quote matched or beat competitors on price while specifying higher-capacity systems — one customer reduced a $1,800 quarterly bill to a $680 bill within a month using a 17kWh system DQ recommended over the 10kWh systems other installers quoted. No reviewers mention hidden costs or price increases after signing.
How does DQ Electrical handle faults or warranty issues after installation?+
After-sales support is one of the most frequently praised aspects of DQ in the reviews we analysed. Multiple customers describe the team proactively escalating faults — including a Tesla Powerwall fault and an inverter failure — directly with the manufacturer and arranging replacements without the homeowner needing to chase the supplier. One reviewer specifically noted DQ handled the entire replacement process including supplier communication. Don, the owner, is mentioned as personally involved in resolving post-installation issues.
Who will I deal with at DQ Electrical — are their installers employees or subcontractors?+
Several reviews specifically flag that DQ uses their own employed electricians rather than subcontractors, and treat this as a key reason for choosing them. Named installers across reviews include Josh, Cameron, Michael, Brenton, Harry, Ethan, Nick, Jay, Reg, Callum, Caleb, and Patrick — suggesting a stable, sizable team. On the consulting side, Nathan Birch and Steve are the most frequently named sales contacts, with Ben also mentioned across multiple reviews for system design.
Can DQ Electrical add a battery to an existing solar system, or do they only do full new installs?+
Yes — several reviews describe DQ adding batteries and additional panels to existing systems, including rewiring older panels into a new hybrid inverter setup. One customer had a second 8kW system added to complement an existing 6kW system, with both running together. Another had a battery, extra panels, and inverter upgrade done as a single job. If you have an older system, DQ appears comfortable assessing and integrating it rather than requiring a full replacement.