Additional Solar Installation Costs Guide 2021.

Wouldn’t it be great if the advertised price of a particular solar package were all you would need to pay? The good news is that for 70% of homes, the advertised price is likely to be the final price. However, many homes have certain imposing factors which require either greater hours for installation over standard homes or additional specialised products to ensure the system meets localised energy requirements.

INSIDE!

PSW Energy has the three singles rule when it comes to base advertised prices. Single-phase, single-level and single roof. Let’s expand on this a little more though.

To assist keeping additional solar installation costs as transparent as possible below is the PSW Energy Additional Solar Installation Cost Guide 2021. The listed prices are in order from most common upgrade costs and are current as of up to 30-days from this posts publishing date.

Single or 3-phase Electricity Meter Solar Review
3-phase inverter upgrade.

From $300

A standard single-phase home has one active line (1-phase) coming to the home from the grid, 3-phase homes have three active lines powering the house from the network.

Popular PSW Energy 3-phase solar inverter upgrade costs;

1-phase inverter 3-phase inverter Price difference
Fronius Primo 5.0-1
Fronius Symo 5.0-3
$300
Goodwe 5000D-NS
Goodwe 5000-DT
$300
Huawei SUN2000L-5KTL
Huawei SUN2000-5KTL-M0
$300
SMA SunnyBoy AV-41 5.0
SMA SunnyTripower AV-40 5.0
$300
Sungrow 5KTL-D
Sungrow 5KTL-MT
$600
SolarEdge HD-Wave 5kW
SolarEdge Three Phase 5kW
$300

If you have a large house or big-load electrical appliances (i.e. specific pumps or large air conditioning), there is a high chance your home is 3-phase, and you’ll need a 3-phase inverter. 

Frequently Asked Questions;

3-phase solar inverters are more expensive from a manufacturing level and require additional installation expense to accommodate.

Even if a solar array is being installed on a single-level roof of the house, multi-level installation costs are required. As the electric cabling work is often the most exhaustive portion of any installation, this additional cost recovers the extra time and materials required to extend cabling through the multi-level section of the home.

6.6kW Solar Deals by PSW Energy
Multi-level installation costs.

From $300

As multiple level homes or properties take many shapes and forms, the $300 additional cost is an indication only. Each property must be assessed/quoted on a case by case basis as the increased cost may be required based on varying degrees of installation difficulty.

Frequently Asked Questions;

Additional installation costs exist for multiple level installations or properties where the gutter line is higher than 2.2m for varied reasons;

  • Time.
  • Worksafe laws.
  • Additional cabling requirements.

Even if a solar array is being installed on a single-level roof of the house, multi-level installation costs are required. As the electric cabling work is often the most exhaustive portion of any installation, this additional cost recovers the extra time and materials required to extend cabling through the multi-level section of the home.

Installer Vision Solar Panel by Perth Solar Warehouse
Split solar array costs.

From $150

Some roof areas are greater than others. To install solar panels on one singular roof face is by far the simplest and most cost effective installation method. Where solar panels are required to be split across multiple roof faces (see above image) of a home to achieve the desired kW capacity, additional cabling and work is required.

Frequently Asked Questions;

This scenaio will require a split solar array charge as the additional material and labour costs are incurred through having to re-enter the roof space, create additional penetrations in an alternative section of roof and install a supplementary solar array irrelevant of distance.

Additional Solar Installation Costs
Switchboard upgrades.

Another significant variable where it all depends on the extent of the upgrade requirement. 95% of switchboards have a sufficient amount of available space to accommodate solar. However, if your switchboard is looking a little full, then upgrade work may be required. Common switchboard upgrade work cost averages below;

Required upgrade Average Cost
RCBO Switchboard conversion
$300
Single-phase entitire residential switchboard upgrade (16 pole)
$1000
Three-phase entitire residential switchboard upgrade (24 pole)
$1500

The above table should be used as a guide only. Switchboard upgrade costs are to be assessed/quoted on a case by case basis. A simple photo can assist us in determining if any switchboard upgrade is required.

Other.

Every installation is unique. Some other variable installation factors are unable to be foreseen in general or advertised package pricing. PSW Energy will always quote each individual job and assess unique variables to ensure the product can be supported for its intended life.

Scenario Example Cost
Detached dwellings
An installation to be spread across two seperate buildings. 
Assess
Underground works
Installations where underground cabling is required.
Assess
Innadequate roof structures
Where a roof may not be deemed adequate to support the solar array for the intended life.
Assess
Additional cabling requirements
Where an installation requires additional cabling beyond 30m total of AC and DC combined.
Assess
Communication cabling
Where communication cabling is required to be provisioned for network connection.
Assess
Back-up power supplies
Where addition circuits and equipment are required to provision a back-up power supply in the event of a grid failure.
Inquire

Overall, PSW Energy will endeavour to be as transparent with package costs as possible. PSW Energy reserves the right not to accept selected jobs irrelevant of installations meeting base criteria or advertised prices without reason.

If you feel that PSW Energy or its representatives have been misleading in any advertised pricing to the point of quote, consumers are encouraged to contact the following regulatory departments; Consumer Protection WA 1300 304 054, ACCC (08)9325 0600 or the Clean Energy Council https://cleanenergycouncil.secure.force.com/ComplaintForm.

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3 thoughts on “Additional Solar Installation Costs Guide 2021.

    Hi. If I order today, can it be install at a later time? Coz I’m thinking of building my house at moment in Alkimos and its going to be a double storey. Looking at the 6.6kw system and if there is a package with solar water heater and battery pack, what will be the rough cost be?

    Hello I am doing some research for my brother He lives in the country in New Zealand , do you have a branch in New Zealand or is it possible to courier?

      Unfortunately, not at this stage. All the best in finding the right solution for your brother.

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