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Residential Home Solar Arrays

REMEMBER: We sell 350W or 500W panels, the slight additional expense of these panels will be recovered in under 12 months in additional energy harvested, especially if installing DAT units, as 270W panels harvest 30% less power and require 10% larger footprint !

As Australia is in a solar "hot zones", a single DAT-4 Unit (4x 350W DAT array shown above), harvests 15kWh of solar energy per Day.  That will cover the power consumption of a premises with a power bill of $350, &/or may harvest enough energy to cover the cost to pay the over inflated "service fee" to remain State Grid connected.

NEW: People Renting/Leasing Apartments or Homes, may be interested in purchasing a unique and easily Transportable PV micro grid, especially configured for people who move around between homes & apartments, all without needing body corporate approval.  If interested Click Here to read more.

How much does a Residential Solar Array cost ?

Please note: We ONLY sell Hybrid Inverters, we do NOT sell Solar-only Inverters!

The cost per solar panel start from $300, depending on quantity purchased, Hybrid inverters start from $900.

It is simple to calculate a system to suit you power consumption, so go get your power bill.

We mainly recommend Duel-Axis tracking (DAT) using either Heavy duty Double Slew Bearings or combination of a Single Slew bearing & 24v Linear actuator, as these require the least amount of maintenance.

Remember, 350W solar panels harvest approx. 30% more power than older 220~270W panels, and 500W panels harvest approx. 50% more power.  Less panels require a smaller footprint, and this will be ongoing for the next 20+ years!

Harvesting examples using DAT units with a latitude 34° for Sydney;

Example-1: 1.05kWh DAT solar array =3x 350W panels will harvest 11kWh day & replace $125 month ($375 quarter) power bill, if Battery storage is used to self consume all the harvested power.

Example-2: 2.1kWh DAT solar array =6x 350W panels will harvest 26kWh day & replace $225 month ($670 quarter) power bill, if Battery storage is used to self consume all the harvested power.

Example-3: 4.2kWh DAT solar array =12x 350W panels will harvest 45kWh day & replace $400 month ($1'200 quarter) power bill, if Battery storage is used to self consume all the harvested power.

Example-4: 5.6kWh DAT solar array =16x 350W panels will harvest 60kWh day & replace $540 month ($1'600 quarter) power bill, if Battery storage is used to self consume all the harvested power.

There are cheap & nasty Hobby DAT kits (shown here), these use cheap jumpy 12v linear motors, racking & tracking electronics, they cost approx. $600 each (excluding solar panel), you can purchase them on Amazon/ebay, good luck with them!

NB: There are also 400~490W BiFacial Solar Panels with a clear type backing, that harvest up to 20% additional power from Reflective light, obviously these Panels cost more, they provide 40% increase over 270W panels, these reduce the break-even Time-line quicker, with the additional harvesting ongoing for the next 20+ years!

The solar world is changing rapidly, so don't be fooled into purchasing 270W panels on the fancy TV adds, unless they confirm they will supply a Hybrid inverter and the installers are going to fit the panels facing North and installed Tilted to your Latitude (Sydney 34°), be aware that the footprint of the 270W panels may not fit on your roof, if not you will be the one loose long term, largely due to Fixed flat panels and panels not installed to the optimum angle will harvest SIGNIFACANTLY less power!

That is why we only offer DAT (we are currently designing residential roof-top SAT), as both DAT & SAT are simply the best at harvesting solar energy, if you live in Town & looking to install DAT you may need ask what the local council requirements are, this changes from state to state.

If you already have a Solar array that's paid-off, you are in the best situation, as it only takes 1~2 years to pay for the correct sized battery bank based on power consumption, batteries provide greater return in self consumption, and paid off in electricity savings very quickly, that's why we strongly advise you invest in a battery bank - Any power not consumed by your premises during the day is sent to your batteries & once charged, excess power can then be exported into the state grid, where the a measly feed-in rebate may cover the Electricity Retailer "Supply Charges", then the grid is only used to black-out proof your premises.

NB: If you plan to store your excess power in batteries, it is critical you also invest in a New multi-input Hybrid Inverter - enabling other type of power generation to be incorporated into a system at any time, standard solar inverters simply can't do that!

Home Grid Pay-back time is discussed here in more detail, and will give you a good understanding of the potential payback period.

Dual-axis trackers capture the full extent of the sun, but are more complex and hence more expensive, DAT make more of a difference at greater latitudes (more southerly in Australia) where there is substantial seasonal variation in the sun’s height and arc in the sky.

As a guideline to different installation of 10x 350W solar panels (3.5kWh) will generate the following;

  • 10 Fixed Flat-panes No Tilt Harvests 15kWh day peak.
  • 10 Fixed Flat-panes @34° Tilt Harvests 20kWh day peak.
  • 10 Single-axis Tracking Harvests 30kWh day peak.
  • 10 Duel-axis Tracking Harvests 40kWh day peak.

Note that Flat-panel installations are only able to harvest Peak power for approx. 3 hours per day depending on the time of the year and location from the equator, where Single-axis tracking is more efficient, and Duel-axis tracking (DAT) will harvest energy over 10hr per day, the further south you are located the better.

A Micro Power Grid with Batteries and Two Axis Tracking can re-pay the initial investment cost in 4~6 years, then the system owned will have an ongoing income for well over 20 years, obviously Batteries are the key part of the system !

We recommend you invest in a multi input Hybrid inverter, it will only cost additional few hundred dollars but will let you control every aspect of your power production and distribution, these smart hybrid-inverters are designed to handle multi input voltage from several power sources, such as Solar, Wind, Aqua, Battery and even Generator input, ours also comes with built in Battery charge management that can be programmed to automatic start or shutdown as required !

Old Solar Rebate:

In November 2016 the $0.40~$0.60 per kWh Solar feed-in Tariff ended in Australia, hopefully your Solar array has already paid for itself in reduced power costs and feed-in Tariff (Rebate).

Now, the quickest way to become power independent, is to purchase Duel-axis Solar Array and Battery bank to store your power, that in turn allows you to harvest & stored your power after hours.  If you don't have a battery bank, you are on the loosing end of the deceptive Electricity Retailer charges, as after hours you are forced to pay over 400% more than the current (2017) 8c kWh feed-in Tariff form the so called electricity Retailers, for power you use after sunset, a point most people simply don't understand!

The reason most people purchase a larger than needed solar array, was to produce enough kW power at the current $0.11 feed-in Tariff to offset/lower their power bills.  If you already have solar panels, it's a far smarter investment to invest in Batteries, you can calculate the saving/income here in under 2~3 years by purchasing just Batteries !

We want you to invest in a battery bank, then all you need is a Charge Controller or better still a multi power input hybrid inverter, these cost from $600~$2500 depending on the brand and features. It is a lot smarter to harvest power from your batteries to save you paying 27cents kWh, than export your solar power to the Retailers @$0.08 cents kWh!

It's also worthwhile checking if there are any state or even local government Rebates available for purchasing solar panels or a battery storage system. For example, Adelaide City Council were providing Rebates of up to $5,000 for customers installing solar panels or a battery storage system.

Click Here for actual System Payback periods

 
 
 
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