solar panels gold coast prices

Today, we in our solar panels gold coast reviews let us check out the Solar Panels Gold Coast Prices. About 30% of the homes in the Gold Coast, Queensland area have solar panels on their roofs. There are many good reasons why so many Gold Coast homes have gone solar, including an abundance of sunshine, low solar PV system prices, and substantial federal government solar incentives. Many businesses and organisations have also followed suit – see above photo of 30kW solar panel installation on the Gold Coast Central Seventh-day Adventist Church.

Solar Panels Gold Coast Prices

Turning Gold Coast sunshine into energy bill savings

The Gold Coast receives an an average of around 4.2 hours of full sun per day, making it one Australia’s sunnier cities, as well as one of the best places in the country to install solar PV.

What does 4.2 hours of peak sun translate into in terms of solar energy production in kilowatt-hours (kWh)? It depends on the size of your solar system and its efficiency. Some examples can be found below (assuming an overall system efficiency of 85%):

Solar System SizeAverage Output (more in summer, less in winter)
1.5kW Solar System5.4 kWh per day
3kW Solar System10.7 kWh per day
5kW Solar System17.8kWh per day
10kW Solar System35kWh per day

Which solar system size is right for you?

These days, with all the state-sponsored solar feed-in tariffs closed to new applicants, the answer depends mainly on the amount of energy that you use during daylight hours and how you use it. Unless you are planning on installing battery storage as well, new solar systems should be sized to meet your daytime electricity needs. Any excess solar will essentially be ‘wasted’ – currently, Queensland retailers offer only up to 8-12c/kWh for your extra solar energy, significantly lower than standard retail electricity rates.

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Attractive rebates exist for Solar Systems under 100kW

The federal government offers what are effectively up-front discounts on solar PV system installation costs under the small-scale portion of Australia’s Renewable Energy Target (RET). This ‘discount’ is usually applied directly to the price of your system by your installer. The amount of the incentive depends on your location – sunnier locales receive a bigger discount. The Gold Coast is technically in the second sunniest ‘zone’ under the scheme, the same one as Brisbane. As an example see the below system sizes and estimates of the rebate they would receive as of 2020:

Solar System SizeSTC Rebate*
1.5kW Solar System$803
3kW Solar System$1643
5kW Solar System$2774
10kW Solar System$5548

How much do Solar Panels cost in the Gold Coast

This translates into lower solar system installation prices. Currently, Australia has some of the lowest solar PV installation costs in the world. Prices for the Gold Coast are not far off from solar prices for Brisbane. we published pricing data for each capital city around Australia on a monthly basis – the below graph depicts the history of solar prices in Brisbane and surrounding areas.

Solar Panel Prices Brisbane

What about Queensland’s solar feed-in tariff?

The deadline to apply for Queensland’s generous 44c/kWh solar feed-in tariff was 9 July 2012. Like most other states, the new feed-in tariff rates in Queensland are minimal, and vary by electricity retailer. The low system prices discussed above, however, mean that solar is still a worthwhile investment – as long as the households make sure that their system is appropriately sized to their needs (also discussed above).

What is solar power and why should you consider it?

Solar power systems are also called solar photovoltaic (PV) systems. They work by collecting solar energy in solar panels which are normally roof-mounted, but can be mounted on the ground. The solar energy collected is converted into alternate current (AC) with an inverter. While solar panels will only work during the daytime, battery storage units are available that allow the excess power to be used at night.

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Solar power has been through three stages. Until about 2011, solar panels were expensive and the payback period was longer. After 2011, they started coming down in price and today, the price of solar panels has stabilised and is far more affordable than in the past.

Solar panels have also improved in efficiency and reliability. In the past, solar panels were expensive and most homeowners bought smaller systems up to 2kW. Today, a 5kW system is about the same price as a 2kW system was before 2011 and is a better system to have because it can account for most if not all of your energy requirements. To know more about what is solar energy read this.

How much does solar power cost?*

Today, the average cost of a 5kW system is around $6500, but it can be more expensive in some areas.  For example, in Darwin, a 5kW system costs around $11,000 while in Adelaide, it costs under $6000. In Sydney and Perth, solar power costs just over $5000 and in other states, it costs around $6000.

When you consider buying a 5kW solar system, you also need to think about the payback period. Average payback periods in different cities are around:

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  • 4.2 years in Adelaide
  • 4.7 years in Darwin
  • 4.8 years in Sydney and Perth
  • 5.4 years in Brisbane
  • 6.4 years in Canberra
  • 7.4 years in Melbourne
  • 8.2 years in Hobart

These figures take into account the cost of electricity in different areas and that is why Darwin, which has the highest costs has a low payback period. The average payback period in Australia is 5.8 years, but even at the highest payback period of 8.2 years in Hobart, solar panels are well worth investing in. It’s also worth noting that electricity prices rise steadily, so the payback period could even be shorter.

Estimates of households in Australia that already have solar power range from 1.5 million to 2.0 million. This number will probably increase in the future as the cost of electricity rises.

Many solar panels have warranty periods of up to 25 years, making them a wise investment considering their payback period of just 5.8 years on average.

How to get the right sized solar system

Solar panel systems are made up of several panels and the size of the system is based on the number of panels and the efficiency of the panels. Estimates vary because solar panels can be installed in areas where the sun rarely shines or in sunny areas. Solar panels can also be installed on roofs that have partial shade during the day, which decreases their efficiency. These are averages and your solar power installer can tell you how efficient your solar power will be in your area.

Solar power is measured in “self-consumption” which is an indication of how much energy you use during the day. These are some estimates of how much energy you will save for different energy consumption levels with a 5kW to 10kW system measured in kilowatt hours (KWh):

  • 5-10KWh will save 30 percent
  • 11-15KWh will save 48 percent
  • 21-25KWh will save 66 oercent
  • 31-40KWh will save up to 82 percent

It is possible to get a solar system that is too large for your household, but you don’t want to get a system that is too small for your household. Solar power retailers and installers can help you find the perfect system for your needs and a smaller system for a smaller household will cost less than a larger system.

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Why investing in a solar system battery is a good idea

The prices above are for solar panels only and a battery will cost more. A battery is a good investment because you are likely to be able to store energy in the battery during the day and have it to use at night. This will decrease your use of electricity from the grid and lower your electricity bills.

Solar batteries are a good choice, but you don’t want to buy a solar battery that is too small or too large for your solar panels. Sizing of batteries is based on average electricity usage and the size of the solar system you have. Batteries don’t just store enough energy to keep your house powered overnight. If you get the right sized battery it can give you “energy autonomy” for three to five days.

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image copyright Nationwide Solar Solutions

Solar batteries cost between $2000 and $12,000, with the higher cost being batteries for large systems and a large battery can weigh up to 290kg while a smaller battery may weigh only 25 to 45kg. Even at the higher end of the scale, batteries have a payback period of three to five years and their warranties are far longer than their payback periods. Better batteries have a 10 year warranty and others may have a seven year warranty. Even at seven years, you still save money since the payback period is five years maximum.

It’s probably a good idea to buy lithium batteries because lithium batteries generally have 10 year warranties and are highly effective. They aren’t hard to find because about 80 percent of solar batteries on the market are lithium batteries.

Batteries with inverters and chargers can be more expensive than batteries only. A battery for an 8kW system may cost around $7700 while the same sized battery with an inverter/charger may cost around $11,800. These prices include the battery and installation costs. Most households don’t require an 8kW system, but this is an indication of the price differences. The key thing also to remember is to know how to keep solar panels clean to make them last. 

Choosing a solar panel supplier and installer

While state rebates have been phased out, government rebates are still available. “Rebates” take the form of Small Scale Technology Certificates (STCs) which vary in price depending on market conditions and other factors. In order to qualify for STCs, you must buy solar panels and batteries from a certified retailer who will offer a discount for the price of the STCs. This discount can be from $500 to $1000 depending on the system you buy and can represent a substantial savings.

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Finding a certified solar panel supplier is fairly easy because most solar panel suppliers are certified. However, they also sell different products and you want to find good solar panels and batteries with long warranty periods.

It’s always best to get quotes from three solar panel suppliers and compare their services and products. They will give you supply and installation costs as well as the discount for STCs. Compare the prices carefully and choose a high quality system at the right price. Some other things to look for are:

  • Solar installers must be licensed
  • They should be fully insured
  • They should give you itemised quotes
  • Their warranty periods should be stated
  • Their products must meet Australian Standards

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