Australian Solar Systems Interest Index – October 2020

Australian home solar energy interest in September 2020

A greater proportion of Australians using the SolarQuotes service were interested in installing bigger PV systems last month, and getting their solar panels installed sooner.

Solar System Sizing

After sitting at nearly 83% in June, July and August, interest in 6kW or larger systems (where capacity was specified) rose to nearly 85% in September. 6kW+ also took the lead in September – 7% higher than 6kW.

Solar system size choice during September 2020

Solar Power Purchase Decision

Interest in purchasing a system immediately started climbing again in September – nearly 23% compared to 20% in August and 22% in July. As in August and July, 97% of Australians using SolarQuotes in September were contemplating a solar power purchase decision any time from right now to within 3 months.

Solar purchase intent during September 2020

Price And Quality Considerations

Around 12% of prospective buyers were wanting pricing on a “top quality” (most expensive) system, compared to approximately 13% in August. Just on 80% wanted a solar energy package offering a good balance of quality and cost, and interest in a good quality budget system was nudging 8%.

Solar price and quality considerations - September 2020

Advanced Solar System Monitoring

Interest in advanced monitoring fell off a cliff in September to just 49%, following on from drops in August (63%) and July (69%).  This optional extra offers a number of benefits – learn more about advanced solar monitoring.

Advanced Solar Monitoring interest - September 2020

Microinverter Interest

As in August, July and June, microinverter interest was at 14% in September. For those unaware of what this little box of tricks is, a microinverter is a miniaturised inverter installed with each solar panel that performs the same role as a conventional single string solar inverter. Among various advantages, microinverters can be particularly handy if a system will be partially shaded – but they will add to the cost of a system.

Microinverter interest - September 2020

“Battery-Ready” Solar

Not much interest again in battery-ready systems, with only around 5% indicating this in September. While a home battery can be added to just about any existing PV system, specifying storage may be wanted at a later date can assist with system design.

Battery-ready system interest during September 2020

Concurrent Solar + Battery Installation

Interest in installing a home battery system at the same time as solar panels dropped back just a touch in September to a little under 13% – it was 13.5% in August. September’s result was still far greater than back before May when it was usually sitting in the mid to high single digits.

If you’re considering installing a battery along with a PV system, give SQ’s solar and battery calculator a whirl. It will indicate how savings are impacted by energy storage and solar panels separately.

Solar panels and battery installation - September 2020

Battery System Size (Capacity)

Where a capacity was noted, here’s what battery shoppers were wanting pricing and further details on in September:

  • 1 – 5 kWh: ~14% (August 14%, July: 15%)
  • 5 – 10 kWh: ~51% (August 50%, July: 50%)
  • 10 kWh +: ~35% (August 35%, July: 34%)

55% of those interested in buying batteries requested advice on battery system sizing, same as in August.

Home battery sizing selection - September 2020

Intended Primary Battery Application

6% indicated the primary application for their battery will be backup – this is usually in the range of 3 – 6%, so no surprises there.  40% noted minimising mains electricity consumption as the primary use (42% in August), while 53% intended to use it for both applications (54% in August).

Primary battery use - September 2020

Electricity Bills (Pre-Solar Installation)

In September, a whisker over 50% of Australians requesting quotes who knew what they paying for mains electricity noted between $500 and $1,000 a quarter – there hasn’t been much change there in the last few months.  But just a little under 13% were paying over $1,000 a quarter – the highest proportion for at least four months.

Quarterly electricity costs before solar energy - September 2020

About auSSII Reports

The information above is drawn from the SolarQuotes quoting service that matches Australian solar buyers with up to three pre-vetted installers part of the SQ network.

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About Michael Bloch

Michael caught the solar power bug after purchasing components to cobble together a small off-grid PV system in 2008. He's been reporting on Australian and international solar energy news ever since.

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