From the category archives:

Solar system sizes

Sizing residential solar & battery systems: A quick guide

April 26, 2017
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What size solar panel array do you need for your home? And if you’re considering battery storage, what size battery bank would be most appropriate? This article includes tables that provide an at-a-glance guide, as well as links to more comprehensive calculators. Solar system sizing table (no batteries) If you’re considering solar panels for your […]

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Solar power in Sydney, NSW: Compare prices & installers

April 11, 2017
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Sydney is a great place for solar power, and roughly 10-15% of Sydney area homes have solar panels installed on their roofs. This article is 5-point guide to everything you need to know if you’re considering solar power for your Sydney home – including how Solar Choice can help you compare quotes. 5 good reasons to go solar […]

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Residential Solar PV Price Index – April 2017

April 10, 2017
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Average residential solar system prices for April 2017 have crept to a fresh low of $1.57 per watt ($1.57/W) – slightly lower than March‘s average of $1.58/W but in keeping with the (very) gradual decline that we’ve been witnessing since the beginning of 2017. Average prices for 3kW, 4kW and 5kW solar systems also hit […]

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Commercial Solar PV Price Index for March 2017

March 31, 2017
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Average commercial solar system prices continue to decrease for the third month in a row, this month hitting a new all-time low of $1.21 per watt. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target as well as GST, but do not incorporate meter installation […]

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Residential Solar PV Price Index – March 2017

March 22, 2017
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Average residential solar PV system prices in Australia crept down to $1.58 per watt ($1.58/W) from $1.60 in February, according to data from Solar Choice’s installer network database. Although so slight as to be inconsequential, the drop represents a new low, with $1.59/W (in Sept 2016 and Dec 2015) being the next lowest since we […]

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Commercial Solar PV Price Index for February 2017

February 28, 2017
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The average price of commercial-scale solar system installations in Australia dropped to a new all-time low of $1.23 per watt ($/W), according to data from the Solar Choice installer network database. The previous low – which held stead for about 3 months – was $1.25/W. All system sizes included in the index (10kW, 30kW, 50kW […]

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3kW vs 5kW solar system: Which is a better investment?

February 22, 2017
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One of the first decisions a household considering solar will need to make is the capacity (in kilowatts, kW) of the system to be installed. Two of the most popular residential solar PV system sizes in Australia are 3kW and 5kW. Which system size is the better investment – and why? You’ll save the most […]

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Solar Choice brokers 100kW solar system for Geelong High School

February 21, 2017
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Solar Choice has brokered the installation of a 100kW solar PV system for Geelong High School, a co-ed public secondary school in East Geelong, Victoria. The school opened in 1910, making it one of Victoria’s oldest state secondary schools. It moved to its current location (385 Ryrie Street, East Geelong) in 1915. Geelong High School originally approached […]

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Is home solar power still worth it in Australia in 2017?

February 16, 2017
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Rooftop solar on its own is already affordable enough to be a smart choice for virtually any Australian home with an unshaded roof and some daytime electricity usage. This is true even in the absence of generous, state-backed solar feed-in tariffs and the (slight) reduction of the up-front incentive for solar available through the federal Renewable […]

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Residential Solar PV Price Index – February 2017

February 14, 2017
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Despite the decrease in the incentive available under the federal Renewable Energy Target that came in effect from last month, average solar PV system prices have moved little, according to our data. Although this month did see a slight reduction in prices (down to $1.60 per watt from $1.62/W in February), this is mainly attributable to changes in […]

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Should you oversize your solar array / undersize your inverter?

February 3, 2017
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After numerous questions about the relationship between solar panel power and inverter power, I decided to put together this blog post. Now logically, if you have (say) 3,000 Watts of solar panels on your roof, you would expect that a 3000 Watt inverter would be the perfect match, right? Not necessarily! There are a number of […]

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5kW solar systems: Pricing, output, and returns

January 17, 2017
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The average solar system size in Australia has grown in recent years to about 5 kilowatts (kW). What are the price ranges, electricity yields (in kilowatt-hours, kWh) and financial returns that a household can expect from a 5kW solar PV system? This article was originally published in 2012 – we’ve recently updated it to reflect […]

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Commercial Solar PV Price Index for January 2017

January 12, 2017
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Average commercial solar system prices continue at about $1.25/W for the fourth month in a row, starting off the new year with no eventful news. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target as well as GST, but do not incorporate meter installation fees […]

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Residential Solar PV Price Index – January 2017

January 12, 2017
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Average solar system prices for the new year continue to hover around $1.62/W, as they have for the past six months or so. Smaller systems (1.5kW – 2kW) continue to be the dearest on a $/W basis, while larger systems (5kW – 10kW) offer the greatest value in terms of peak output capacity. By our […]

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Residential Solar PV Price Index – December 2016

December 15, 2016
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Average solar PV system prices for December sit at roughly $1.62 per watt ($1.62/W). Average system prices in Australia have hovered around this price point since about July of 2016, although there have been some changes on a city-by-city and size-by-size basis. Average solar PV system prices for December 2016 Prices in the table below include […]

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Commercial Solar PV Price Index for December 2016

December 15, 2016
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Average commercial solar system prices saw virtually no change betwen November and December, according to data from the Solar Choice database. Prices have hovered around the $1.25 mark since September. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target as well as GST, but do […]

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Solar power for homes: Still worth it in Australia?

December 6, 2016
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Lots of things have changed in recent years with regard to solar power for homes. The business case for going solar – the investment-worthiness of solar panels – has quickly progressed through roughly three stages since the solar panel boom began in Australia in around 2008. Making a long story short, these stages were: Stage 1 […]

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1kW solar PV systems: Pricing, output, returns

December 1, 2016
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Should you install a 1 kilowatt (kW) solar system for your home? These days, 1kW solar system installations are relatively rare, as larger systems frequently offer better value for money at only a modestly higher price. The smallest size of system that Solar Choice keeps track of in our monthly Solar PV Price Index articles […]

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Can you go off the grid with a 10kW solar system plus battery storage?

November 22, 2016
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We previously wrote an article about the feasibility of an Australian home going off-grid with a 3kW solar system – quite a small system size for such an ambitious endeavour. In this article, we’ll look at the case for going off-grid with a 10kW solar system – the unofficial upper limit for residential solar system […]

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Solar energy self-consumption explained

November 18, 2016
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When it comes to solar power in Australia, lots of things have changed in the last few years. If you’re currently shopping around for a solar system, perhaps the most important thing you need to keep in mind is this: You’ll get the most out of your solar panels by consuming the energy they produce while it […]

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Commercial Solar PV Price Index: November 2016

November 16, 2016
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The average price of a commercial solar PV system dropped very slightly between October and November 2016 (from about $1.26 per watt to about $1.25/W) according to figures from the Solar Choice installer network database. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target […]

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Residential Solar PV Price Index – November 2016

November 15, 2016
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Average solar PV system prices for Australia’s capital cities changed little between October and November of 2016, according to data from Solar Choice’s installer network database. Currently, the average price for a solar PV system in Australia sits at about $1.63 per watt. Average solar PV system prices for November 2016 Prices in the table below […]

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Commercial Solar PV Price Index: October 2016

October 26, 2016
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Average commercial solar system prices for all sizes that we track (10kW, 30kW, 50kW and 100kW) held stable at the $1.28/W low seen in September, according to data from Solar Choice’s installer network. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target as well as […]

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Residential Solar PV Price Index – October 2016

October 12, 2016
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Average solar system prices for Australia’s capital cities rose slightly (to $1.63/W) between September and October. Price increases were seen primarily among smaller systems (1.5kW – 5kW) in a handful of cities, while 10kW system prices remained steady. Average solar PV system prices for October 2016 Prices in the table below include both the up-front incentive […]

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Commercial Solar PV Price Index: September 2016

September 27, 2016
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The average price of a commercial solar installation fell to an all-time low of $1.26 per watt ($/W) between August and September, according to data from Solar Choice’s installer network database. The drop was consistent across all solar system sizes, although there were slight fluctuations from city to city. Commercial solar system prices (10kW-100kW) All […]

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Residential Solar PV Price Index – September 2016

September 19, 2016
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Average residential solar system prices for September 2016 have matched the all-time low seen in December of last year, when prices dipped just below $1.60 per watt ($1.60/W). In other news, for the first time we have colour-coded our pricing tables to make it easier to tell at a glance which locations and system sizes […]

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100kW solar PV systems: Compare prices and installer options

September 14, 2016
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100kW solar systems are among the most popular commercial solar system sizes in Australia. This article takes a look at pricing & energy yields for 100kW solar systems throughout Australia and offers some guidance as to how a business might go about comparing quotes and choosing an installer to do the job. Pricing for 100kW […]

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Commercial Solar PV Price Index: August 2016

August 23, 2016
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The average price of a commercial solar systems fell marginally between July and August to $1.28/W, according to figures from Solar Choice’s installer network database. Commercial solar system prices (10kW-100kW) All prices in the tables below include incentives available through the federal Renewable Energy Target as well as GST, but do not incorporate meter installation fees […]

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1.5kW solar PV systems: Pricing, outputs and payback

August 17, 2016
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1.5kW solar systems were once the most popular system size in Australia. As solar technology prices have come down in recent years, however, most homes are now tending to opt for larger systems – in the 2kW to 5kW range. This article takes a look at the case for installing a 1.5kW solar system in current […]

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Residential Solar PV Price Index – August 2016

August 8, 2016
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This month marks a full four years of our publishing of the Solar PV Price Index. When we first started keeping track of average system prices back in 2012, it cost roughly 70c more per watt to install a solar PV system in Australia than it does today. The going average rate for a solar […]

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Commercial Solar PV Price Index: July 2016

July 28, 2016
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The average price for a commercial solar PV system dropped noticeably between June and July 2016, according to figures from Solar Choice’s installer network database. While prices for each month in the first half of 2016 saw an average of about $1.33, the average price for this month was $1.29 – on par with Dec […]

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