How much does solar installation cost in Melbourne?

A standard 6 kW system costs about $5,810 in Melbourne, and a 10 kW system about $8,920. These are October 2026 averages with GST and the federal discount included.

Eligible households can take up to $1,400 more off with the Solar Victoria rebate.

The federal discount shrinks again on 1 January 2027. Ask Right Choice Solar for an itemised quote that shows every rebate line.

If you're checking the solar panel price Melbourne homeowners pay in 2026, here's the short answer. A standard 6 kW system averages $5,810. A 10 kW system averages $8,920. Those figures come from the Solar Choice Price Index for 1 October 2026, and they include GST and the federal discount.

Your own solar installation cost will move with your roof, your brands and your switchboard. Rebates are changing too. This guide shows what you'll pay, what's in the price, what pushes it up or down, and how to compare quotes. Solar panels in Melbourne still pay for themselves. The timing is what matters.

A typical Melbourne home lands between $5,140 and $8,920, which covers 5 kW to 10 kW systems. Here are the October 2026 averages from the Solar Choice Price Index. They include GST and the federal discount. They leave out the Solar Victoria rebate.

Many homes choose a 6.6 kW system. The index doesn't list that size. It sits between the 6 kW and 7 kW averages, so expect roughly $6,200. Treat that as a guide, not a quote.

Looking at single panels? One panel costs about $80 to $300 or more, depending on brand. A home system uses 14 to 28 of them. Panels are only part of the solar panels Melbourne price, because the inverter, mounting and labour add to it.

When you ask what it costs to install solar panels, make sure the quote covers the whole job. A fair quote lists:

Panels and inverter, with brands and model numbers

Mounting gear for your roof type

Installation by accredited electricians

Grid connection paperwork and meter changes

Monitoring, so you can see what you produce

Warranties for the panels, the inverter and the workmanship

The federal discount should already be taken off the price. You don't apply for it yourself. If you want to see how the process works, read about residential solar installation in Melbourne.

Two homes can get the same size system and very different prices. Here's why.

System size. Bigger systems cost less per watt. The site visit and paperwork are spread over more panels. That's why a 10 kW system costs well under twice a 5 kW one.

Brand tier. Premium systems cost about 15 to 17 per cent more in Melbourne. They often bring higher efficiency and stronger warranties.

Your roof. Tile roofs, steep pitches, two storeys and several roof faces all add labour.

Your switchboard. Older boards sometimes need an upgrade before solar can connect.

Your inverter. A hybrid inverter costs more now. It can make a battery cheaper later.

Your power supply. Large systems on three-phase homes may need a three-phase inverter.

These solar costs explain why two quotes for the same 6.6 kW system can differ a lot.

Two schemes help.

The federal discount. Your installer claims small-scale technology certificates (STCs) and takes their value off your price. Melbourne is in Zone 4. A 6.6 kW system installed in 2026 earns about 39 certificates. At roughly $39.85 each, that's about $1,550 off. Certificate prices move, so the exact figure shifts.

The Solar Victoria rebate. Eligible households can get up to $1,400 off. Since 1 July 2026, combined household income must be $150,000 or less. The old cap was $210,000. Check you're approved before installation starts.

Why timing matters. On 1 January 2027, the federal discount steps down again. By our calculation, the same 6.6 kW system would earn about 31 certificates. That's roughly $320 less at today's certificate price. The scheme ends after 2030.

For most homes, yes. Melbourne gets less sun than Brisbane, but the sums still work. Here's a simple example. It's illustrative, so your numbers will differ.

System: 6.6 kW at about $6,200 after the federal discount

Output: about 8,000 kWh a year

Used at home: 40%, or 3,200 kWh, at 30c each. That saves about $960.

Exported: 4,800 kWh at 4c each. That earns about $190.

Yearly benefit: about $1,150

That gives a payback of around five years. With a $1,400 rebate, it's closer to four.

Export rates are low. Victoria dropped its minimum feed-in tariff in July 2025, so retailers now set their own. That makes daytime use the key. Run the dishwasher, pool pump or EV charger at midday. A battery can store the rest. Once your solar design is set, look at solar and battery packages.

The cheapest quote isn't always the best price. Use this checklist:

Match the exact panel and inverter models, not just the system size.

Ask who does the install: their own team or a subcontractor.

See what's left out, such as switchboard work or tile-roof fees.

Make sure the federal discount and any Solar Victoria rebate show as separate lines.

Compare workmanship warranties, not only product warranties.

Be wary of prices far below the market range. The savings usually come from somewhere.

Right Choice Solar offers personalised solar recommendations for Melbourne homes. Ask for an itemised quote so you can compare solar installers in Melbourne line by line. Contact us for a free solar quote when you're ready.

How much does solar installation cost in Melbourne?

A standard 6 kW system averages $5,810 and a 10 kW system $8,920 (1 October 2026). Prices include GST and the federal discount, but not the Solar Victoria rebate.

How much does a solar panel cost?

One panel costs about $80 to $300 or more, depending on brand. A home system uses 14 to 28 panels. The system price also covers the inverter, mounting and labour.

What is the cost of solar panels in Melbourne for a 6.6 kW system?

Expect roughly $6,200, which sits between the 6 kW and 7 kW averages. Your quote depends on your roof, your brands and your switchboard.

Is solar worth it in Melbourne?

Usually, yes. In our example, a home pays back in about five years by using 40% of its solar during the day. Low export rates make daytime use important.

Does the solar panel price include the Solar Victoria rebate?

Often not. Eligible households can take up to $1,400 off, and combined household income must be $150,000 or less. Ask for the rebate as its own line.

Will solar prices fall next year?

Unlikely. The federal discount steps down on 1 January 2027 and ends after 2030. Equipment prices have changed little since 2021, so net prices tend to edge up.

What size solar system suits my Melbourne home?

Match it to your daytime use, roof space and any plans for a battery or EV. Many homes choose 6.6 kW. Larger homes often choose 10 kW.

Now you know the solar panel price Melbourne homeowners can expect in 2026. The next step is to see your own number. Contact Right Choice Solar for a free solar quote. Tell us your power bill and roof type. Ask for an itemised price that shows the federal discount and any Solar Victoria rebate. Don't wait too long, because the federal discount drops on 1 January 2027.

Contact us today to get your solar quote.