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Are you tired of watching your electricity bills climb higher each quarter? You're not alone. Many Adelaide homeowners are discovering that residential solar panel installation isn't just an environmental choice anymore - it's a smart financial decision that pays for itself.
Every solar system we put on an Adelaide roof is designed and fitted by our own licensed electricians from Salisbury Plain, SA electrical licence 287733. Nobody is subcontracted. The crew covers the city and the regions around it: Northern Adelaide, the Adelaide Hills, Gawler, the Barossa Valley and the Fleurieu Peninsula. Trading since 2017, more than 4,000 solar and battery installations, a 10-year workmanship warranty on each.
The first step is a free 60-minute assessment at your home. An electrician looks at your roof and bills, then designs to suit them, not a package. No travel charge, no cost for the quote, anywhere in our service area. Call 1800 610 165 to book, or read what solar costs in Adelaide first. You will be dealing with solar installers across Adelaide who do the work themselves.
Are you tired of watching your electricity bills climb higher each quarter? You’re not alone. Many Adelaide homeowners are discovering that residential solar panel installation isn’t just an environmental choice anymore, it’s a smart financial decision that pays for itself.
Adelaide is one of the best places in the country to go solar. The city enjoys some of the strongest sustained sunshine of any Australian capital, according to Bureau of Meteorology solar exposure data, alongside some of the highest electricity prices in the country and a settled set of federal rebates that still take a real chunk off the upfront cost. Put those together and a well-designed solar system pays for itself faster here than in almost any other capital, though how quickly depends on your usage.
Award-winning, locally owned solar installers powering Adelaide homes and businesses.
At Deionno Electrical, we have spent years helping South Australian families and businesses make that switch properly. We are SAA-accredited and recognised among the state’s leading installers, and every system we design is sized to your roof, your usage and your budget, then installed by qualified electricians rather than subcontracted crews.
Three things make the numbers work in South Australia. First, power prices: SA consistently has some of the steepest electricity rates in the country, so every kilowatt-hour you generate and use yourself is worth more here than almost anywhere else. Second, the sun: Adelaide’s strong, reliable solar exposure means a properly oriented system produces good output for most of the year. Third, the rebates: the federal solar panel incentive continues to reduce upfront costs, and the federal battery rebate makes adding storage more viable than it has ever been.
The catch most people miss is that the real savings come from using your solar, not exporting it. Feed-in tariffs in SA are low, so the goal of good system design is to size and time your generation around how your household actually uses power. That is where honest, local advice earns its keep.
The numbers speak for themselves. A properly designed residential solar system typically pays for itself within 3-5 years through reduced energy bills. After that? You’re essentially getting free electricity for the next 20+ years.
Here’s what our Adelaide clients love most about their solar systems:
Immediate Benefits You’ll Notice:
Long-term Advantages:
The honest answer is that it depends on your roof, your energy use and the quality of the system you choose, which is why we never quote off a price list. What we can tell you is what drives the figure, so you know exactly what you are paying for.
Panel and inverter quality is the biggest lever. Premium, higher-efficiency panels and well-supported branded inverters cost more, but they earn their keep on smaller, shaded or complex roofs. Roof complexity matters too. A single-storey home with a simple tiled or tin roof is quick and straightforward, while steep, double-storey or multi-level roofs, common in the Adelaide Hills, take more time and equipment and sit at the higher end. And if you want to add a battery now or later, a battery-ready hybrid inverter changes the specification.
Two identical homes can attract different prices simply because of access and roof pitch. A flat, single-storey roof in the metro suburbs is quicker and safer to work on than a steep, two-storey roof in the Hills. That is why we look at your actual property first. The fairest way to get an accurate price is a free on-site assessment: we review your roof, your usage and your goals, then give you an itemised, fixed proposal with no surprises.
There is a lot of out-of-date rebate information online, including claims that reference South Australian schemes that closed years ago. Here is where things actually stand.
The main incentive for panels is the federal Small-scale Renewable Energy Scheme (SRES), administered by the Clean Energy Regulator, which issues Small-scale Technology Certificates (STCs). In practice it works as a point-of-sale discount, so it is already built into the prices you see advertised. Worth knowing: the rebate steps down each year as the scheme is progressively phased out, and the deeming period recently reduced, so the incentive is a little smaller than it used to be. The short version is that it remains generous, but it gets marginally less generous each January.
Adding a battery is more affordable than it used to be thanks to the federal Cheaper Home Batteries Program, administered by DCCEEW, which takes around 30% off the cost of an eligible battery. The discount is calculated in tiers, so the full rate applies to the first portion of usable capacity and reduces for larger batteries, and the rate steps down over time. To qualify, the battery generally needs to be on the approved product list, installed by an accredited installer alongside solar, and capable of connecting to a virtual power plant. We handle the eligibility and certificate paperwork for you, so the discount comes off your quote.
This is where the old information online is most misleading. South Australia’s state Home Battery Scheme has closed, so there is no statewide battery grant in SA today. What does exist is more targeted. The City of Adelaide Sustainability Incentives Scheme offers incentives to eligible residents and businesses within the council area, covering things like solar, batteries and electrification. On top of that, virtual power plant participation incentives through South Australia’s energy productivity scheme can add value if you are happy to let your battery support the grid at peak times. We will tell you honestly which of these you actually qualify for, with no inflated promises.
The combination of high electricity prices and strong, reliable sun means a quality system typically pays for itself within a few years, depending on your usage, among the fastest payback of any Australian capital, then keeps generating low-cost power for decades. Add a battery and the payback takes longer, but you gain energy independence and backup power in return.
Let’s talk numbers. The average Adelaide home spends $1,800-2,400 annually on electricity. A quality residential solar panel installation typically costs $8,000-15,000 depending on system size.
With current government rebates and our competitive pricing, most families see:
| System size | Who it suits |
|---|---|
| 5kW | Small households, 1-2 people |
| 6.6kW | The most popular choice, average 2-4 person homes |
| 10kW | Larger homes, home offices, pools |
| 13kW+ | Big families, EVs, future-proofing |
It is also standard practice to oversize the panels relative to the inverter, for example pairing around 7.9kW of panels with a 6.6kW inverter, to get more out of the system in real-world conditions. We design all of this around your roof during the consultation.
Learn more about our Residential Solar Panel Installation systems.
A battery is not essential, but in South Australia the case for one is stronger than in most states. The reason is the solar mismatch: your panels produce the most power in the middle of the day, but most homes use the most power in the evening. Without storage, you export that midday surplus for a small feed-in credit, then buy power back at a much higher rate after dark. A battery lets you store your own cheap daytime solar and use it at night instead.
With SA’s low feed-in tariffs, high evening rates and occasional grid outages, a battery can make real financial and practical sense, and it can be set up to keep essential circuits running during a blackout, since standard solar systems shut down in an outage for safety. We assess your usage pattern and tell you honestly whether storage is worth it for your situation.
Explore Solar Battery Installation and Off-Grid Solar Systems.
Whatever brand you choose, it needs to be on the Clean Energy Council approved product list. That is a requirement for the rebate, not an optional extra.
For most Adelaide homes, quality mid-range panels deliver reliable, efficient performance and represent excellent value. Premium, high-efficiency panels are worth considering if your roof is small, partially shaded, or you simply want the longest warranties and lowest degradation over the life of the system. The inverter matters just as much as the panels. It is the component working hardest, so we only fit reliable, well-supported brands. We use trusted, proven products backed by strong manufacturer warranties, on top of our own workmanship warranty, so your investment stands up to the South Australian climate for the long haul.
We handle every part of your solar journey in-house. Explore the service you need.
At Deionno Electrical & Solar, we’ve been helping Adelaide families take control of their energy costs for over 7 years. What makes us different? We actually take the time to understand your specific energy needs before recommending a system. This means you’ll get a solar solution that’s perfectly sized for your home, without paying for more than you need.
We are a locally owned South Australian business that knows local homes, roofs and conditions, and we are here for the long-term support, not just the install. We are SAA-accredited and recognised among the state’s leading installers, named a finalist in the Master Electricians Australia Excellence Awards and ranked among the Top 20 solar installers in South Australia and the Top 50 in Australia. Your system is installed by our own licensed team to Australian standards, never handed off to subcontractors. Our proposals are detailed and itemised, with no hidden fees or surprise charges, and our advice is genuinely no-pressure: we recommend what is right for your home, not the system we would most like to sell. It is an approach our customers reward, with a 4.9-star rating on Google.
Local Expertise:
We understand Adelaide’s unique conditions, from our intense summer sun to occasional hail storms. Our installations are built to handle everything our climate throws at them.
Quality Components:
We source panels and inverters from manufacturers we trust, backed by comprehensive warranties that protect your investment.
Honest Sizing:
We won’t oversell you a massive system if a smaller one meets your needs. Our goal is to give you the best return on investment, not the biggest sale.
Ongoing Support:
Questions after installation? Need maintenance? We’re here for the long haul, not just the initial sale.
We’ve refined our approach over hundreds of installations to make the process as smooth as possible for you.
We’ll visit your property to assess your roof space, current energy usage, and discuss your goals. No pressure, no obligation: just honest advice about what will work best for your situation.
We engineer a system optimised for your home’s output and return on investment.
Every home is different. We’ll design a system that considers:
You receive a clear, itemised proposal covering specs, costs, expected performance and timeline.
Our qualified electricians handle everything from council approvals to final connection. You’ll know exactly what to expect and when.
Our qualified electricians install efficiently and safely, fully compliant with Australian standards.
We don’t just install and leave. We’ll show you how to monitor your system and maximise your savings.
We test everything, complete the grid connection and walk you through how it all works.
Maintenance, monitoring and responsive repairs for the life of your system.
We install solar across metropolitan and regional South Australia, including the Adelaide CBD and inner suburbs, the northern suburbs including Golden Grove, the southern suburbs and coastal areas, the eastern suburbs and the Adelaide Hills, and the western suburbs. Browse recent installs on our Projects page, or see the full list on our Areas We Serve page.
We’re proud to bring professional residential solar panel installation services to communities across Adelaide’s northern and eastern suburbs. Our local knowledge of each area helps us design systems that work perfectly with your neighbourhood’s unique characteristics.
Redwood Park: We love working in Redwood Park’s family-friendly streets. The area’s mix of established and newer homes gives us great opportunities to design solar systems that complement different roof styles while maximising energy production.
Mawson Lakes: This modern suburb is perfect for residential solar panel installation. Many of our Mawson Lakes clients appreciate how solar panels enhance their contemporary home designs while delivering serious savings on those quarterly bills.
Tea Tree Gully: The elevated positions of many Tea Tree Gully homes provide excellent solar exposure. We’ve helped dozens of families in this area achieve energy independence with systems perfectly sized for their needs.
Elizabeth: We’re committed to making residential solar panel installation accessible to all Adelaide families. Our Elizabeth clients often see some of the most dramatic bill reductions, and we’re always happy to discuss flexible payment options.
Modbury: The established homes in Modbury present interesting installation opportunities. We’ve become experts at working with different roof types and orientations to ensure every system performs at its best.
Campbelltown: This vibrant community has embraced solar energy, and we’ve been part of that journey. Our Campbelltown installations consistently deliver the savings we promise, backed by our comprehensive warranties.
Norwood: The character homes in Norwood require a thoughtful approach to residential solar panel installation. We take extra care to ensure systems complement these beautiful properties while delivering maximum performance.
Every day you wait is another day of high electricity bills. The good news is that getting started is easier than you might think.
Join the many Adelaide homes and businesses already saving with clean, reliable solar power. Our team is ready to design and install the right system for your property.
Get Your Free Assessment:
Get your free, no-pressure solar consultation today. Call 1800 610 165 or request a free quote through our website. Start saving on your power bills with professional solar panel installation from Deionno Electrical.
We’ll show you exactly how much you could save with residential solar panel installation designed specifically for your Adelaide home.
Real jobs across Adelaide, added as our crews finish them.
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30 AIKO panels on a tile roof, a 10 kW single phase Sigenergy inverter and five batteries with whole-home backup, replacing an existing solar system.
28 new Jinko panels added to the existing ones, which were restrung into a new 10 kW Sigenergy three phase inverter with three batteries and house backup.
59 Jinko panels on connected shed roofs, a 25 kW three phase Sungrow hybrid inverter and a 40 kWh Sungrow battery, running without a grid connection.
Reviews from our South Australia Google profile and SolarQuotes.
4.9
Adelaide and surrounds, with no travel charge and no cost for the quote anywhere on the map. Check your suburb, then book the free assessment.
We may have missed your suburb. If you are anywhere near the outline, call 1800 610 165 or book the free assessment and we will confirm you are eligible.
Our South Australia crews work out of Adelaide. Drop in, or call and we come to you.
Straight answers from our South Australia electricians. Can’t find yours? Call 1800 610 165 or book the assessment and ask on the day.
It depends on your roof, your energy use and the system you choose, so we never quote off a price list. After a free site assessment we give you an itemised, fixed proposal with no surprises. Adelaide’s high power prices and strong sun mean a quality system typically pays for itself within a few years, depending on your usage.
For most homes, yes. With high electricity prices, strong sunshine and federal rebates, a quality system usually pays for itself within a few years, depending on your usage, and then generates low-cost power for decades.
It depends on your usage and how much solar you use yourself rather than export, but Adelaide enjoys among the fastest payback of any Australian capital, typically within a few years for a panels-only system. Adding a battery extends payback but adds energy independence and backup power.
The federal STC rebate reduces the upfront cost of panels and is already included in advertised prices, and the federal Cheaper Home Batteries Program takes around 30% off an eligible battery. South Australia’s old state battery scheme has closed, but City of Adelaide and virtual power plant incentives may apply to some households. We will confirm exactly what you qualify for.
Not essential, but worthwhile for many SA homes. Because feed-in tariffs are low and evening power is expensive, storing your daytime solar for use at night often makes good sense, and it gives you backup power during outages.
A quick rule of thumb is to divide your quarterly power bill by 100 to estimate the kilowatts you need. The 6.6kW system suits most average households, while larger homes, pools or EVs may need 10kW or more. We size it precisely during your consultation.
South Australia has no mandated minimum feed-in tariff, so the rate is set by your retailer and is generally low. That is why we design systems around using your own solar rather than exporting it.
Most residential installations are completed within a few days, depending on system size and complexity. We give you an accurate timeline in your proposal.
Quality panels typically last for decades with minimal performance loss, backed by long manufacturer warranties. Maintenance is light, with periodic cleaning and an occasional system check keeping everything running at its best.
Book a free 60-minute on-site assessment with one of our licensed electricians.
Free 60-minute on-site solar and battery assessment. No obligation.
$0 power bill guarantee
If you are considering solar for a new home, or on behalf of someone else, select "I own my home"
A solar or battery system is a permanent change to the property, so it needs to be arranged by the person who owns the home.
If you tapped that by mistake, head back and we'll pick up where you left off.
Our team can talk you through all options if you're not sure.
You'll get all of these. We'd just like to know what matters most.
The average Adelaide home spends $500 - $1000 per quarter. Not sure of yours? Take your best guess, we'll go through the real numbers at your assessment.
Whatever it is today, our goal is $0. If we don't get you there, we'll pay your bill.
We can work with you on a longer timeline, or get you saving as soon as possible.
We have hundreds of happy customers across South Australia. We need your address to check we service your area and to look at your roof before we visit.
Great news, we service your area!
Every system we design is tailored to the home, so the more info the better! (Optional)
Last step. We'll call to arrange your free on-site assessment at a time that suits you. No pressure and no obligation.
Request sent, we'll be in touch!
Call to speak directly with a solar specialist during business hours, and we can get your free on-site assessment booked in straight away.
📞If you haven't called already, we'll give you a call to say hello.
We'll chat about what you're looking for, how we can help, and book in a time for your on-site assessment that suits you.
We visit your home for 45 to 60 minutes to measure up the roof, check the switchboard and review how you use power.
A tailored proposal with the system design, the savings and the pricing laid out in full.
If you're happy with the proposal, our in-house team installs it and shows you how it all works.
4.9Google · 530+ reviews
4.8SolarQuotes reviews
