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Monday, 20 April 2018 08:88

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Solar Energy Harvesting and Energy Storage

Australia is in one of the world’s solar “hot zones” which provides maximum exposure to the sun’s rays throughout the year, & this abundant energy source is FREE and solar panels capture this energy and convert it to usable power for your home or business.

Installing a Solar system instantly eliminates your daytime power bill - Although the real savings only start when you store your excess power into a battery bank, and harvest it after sunset, it is that simple !

Please Note: We currently only sell 350W Solar Panels or better !

Businesses selling 270~290W panels are selling customers short, as a 270W panel harvest 30% less energy than a 350W panel, and that will be for the next 20+ years, as well the older panel technology also requires 30% more panels & more roof space to harvest the same power !

In fact there are better 400~490W BiFacial (double sided) Solar Panels, that can generate energy on both sides, harvest up to 20% more additional Power via Reflective harvesting additional light from the surrounding ground/area, obviously these Panels cost more, But remember they will Greatly increase the kWh harvest rate & reduce the break-even time line considerably quicker - That will be additional ongoing Power harvesting for the next 20+ years!

Things are changing rapidly in the solar world, So don't be fooled into purchasing 270W panels, as YOU are the one that will loose long term!

Common types of Solar Arrays are;

Fixed Flat or Tilted Panel Arrays, are the lease effective at harvesting energy & the most common.

Single-Axis Tracking (SAT) Arrays can harvest over 30% more energy, and can be configured East~West Vertically or Horizontally.

Dual-Axis Tracking (DAT) Solar Arrays Harvest up to 100% more than fixed flat panel arrays, & the further South (or north) of the equator the better.

With most things it comes down to Cost, Cost modeling show that Labour to install Fixed & Fixed Tilt PV systems are the cheapest, followed by Single Axis Tracking then Dual Axis Tracking system is least competitive to install, however the initial material & installation cost difference is recovered quite rapidly with SAT and more so with DAT, as the increased harvesting commonly reaches the break-even period to recover the additional cost incurred in approx. 12 months, irrelevant on the size of the PV array!

However not all technologies preformed equal, as labour costs for installation play a large part of initial and final cost competitiveness. It also demonstrated how Low Cost of Energy (LCOE) can underpin a commercial ‘Contract-for-Difference’ (CFD) feed-in tariff scheme applicable to supporting investment in utility-scale solar farms.

The key issue for either residential or commercial solar system is producing the best financial return in the quickest time, by storing Solar energy or for this matter, any alternative energy into a battery bank or thermal storage system, will substantially contribute to black-out proofing your home or premises, thus minimising paying the deceptive electricity retainers for power after sunset, and battery storage energy also reduce the reliance on fossil fuels, to ensure a brighter future for our planet.

Few people know that Solar harvesting & storage has the potential to provide over 1,000 times the total world energy consumption, though in 2017 Solar provided less than 1% of the total power used.   Installing solar can contribute to increasing that figure.

So what is the best angle for a solar panel ?

The angle of the sun in the sky depends on both the season and your location on the earth;

In Winter the sun is lower in the sky.

In Summer the sun is higher in the sky.

And the closer you live to the equator (i.e. the lower your degree of latitude is), the higher the sun is in the sky all year round.

Calculating the optimum tilt for fixed flat panels on your roof is actually dead simple.  To maximize the power produced over the whole year, all you need to do is set the angle for your solar panels, to the latitude of your location as shown below;



Cape York (QLD)


Darwin (NT)


Cairns (QLD)


Broome (WA) 


Townsville (QLD)


Port Hedland (WA)


Rockhampton (QLD) 


Alice Springs (NT)


Brisbane (QLD)


Perth (WA)


Newcastle (NSW)


Sydney (NSW)


Canberra (NSW)


Adelaide (SA)


Melbourne (VIC)


Hobart (TAS)


Yes, Perth latitude is actually at a higher latitude than Sydney!

Duel Axis Slew Drive.   Duel Axis Slew Drive.

Fully automatic Duel-Axis Tracking (DAT) Test array.

New Residential fully automatic DAT Slew bearing design, will hold 1~4, 350W solar panels.

Duel Axis Slew Drive.   Duel Axis Slew Drive.

Residential fully automatic Single-axis Tracking (SAT) using Tilted Azimuth rotational (east to west), can hold between 4~8, 350W Panels.


New design full automatic Duel-Axis Tracking (DAT) Array holds up to 30 Panels.

Remember: DAT can harvest up to 45% more energy from the sun, than flat fixed panels, and the further South you live, DAT increases the harvesting of energy for a longer period each day!

A New Super Solar Cell invented at the Australian University of New South Wales (UNSW), has gained the world efficiency record of over 40%, these solar cells are made from Gallium Arsenide, not Silicon like in conventional solar panels.  Due to past cost restrictions Gallium Arsenide solar cells were only used in space exploration and Satellites, a single 2kWh Gallium arsenide Super cell measure approx. 10cm x 15cm and replaces Six (6) 340w (2mt x 1mt, 72cell) Solar Panels when used in conjunction with Heliostat mirrors.   After receiving a million dollar government grant, RayGen, an Australian company has developed & is now manufacturing scalable commercial solar arrays.

Levelised Cost Of Energy: The calculations of Levelised Cost Of Energy (LOCE) of these three Solar PV Technologies depend crucially on assumptions made about ($/kW) construction costs and annual capacity factors of the three solar technologies being considered.

Contracts for Difference: The purpose of CFD is to incentive investments in new low-carbon electricity generation by providing stability and predictability to future revenue streams. Governments state that; "we must de-carbonise electricity generation and it is vital that we take action now to transform permanently into a low-carbon economy and meet our renewable energy target by 2020 and our 80 per cent carbon reduction target by 2050. To put us on this latter trajectory, power sector emissions need to be largely de-carbonised by the 2030s. At the heart of this strategy to deliver this transition is a new system of long-term contracts in the form of CFD, providing clear, stable and predictable revenue streams for investors in low-carbon electricity generation".

CFD's explained: Is a financial hedging arrangement, where two parties agree to trade a certain volume of a product for a set price. These parties do not physically exchange this product in the ‘hedge market’. The product is purchased in a separate ‘physical market’ (e.g. a wholesale electricity ‘spot market’). If the price is higher or lower than the agreed price, then the parties settle the difference between the ‘hedge contract’ and ‘physical market’ prices. (Search, Electricity Futures Contract and Spot Market.)

CFD is usually a long-term contract between an electricity generator and Low Carbon Contracts Company (LCCC). The contract enables the generator to stabilise its revenues at a pre-agreed level (the Strike Price) for the duration of the contract. Under the CFD, payments can flow from LCCC to the generator, and vice versa. So, again, under the CFD's, when the market price for electricity generated by a CFD Generator (the spot market price) is below the Strike Price set out in the contract, payments are usually made by LCCC to the CFD Generator to make up the difference. However, when the reference price is above the Strike Price, the CFD Generator pays LCCC the difference.

What is your Solar Array payback time?

This is covered in more detail on either the Residential or Commercial Solar Array pages, there are some significant differences to address with the type of power that is produced (AC/DC) and in turn the distance the power needs to travel before it is converted &/or consumed.

When compared to Fixed rooftop or ground mounted Solar Arrays, Single and Dual Axis Solar Tracking will significantly increase the amount of solar energy that is harvested.  We advise the purchase of either type of tracking, use the pros & Cons that best suits your location.

If planning to Go-Off-Grid using a Solar Array & Gen-set, we highly advise you invest in Battery storage, as battery storage is a lot cheaper long term than a stand-by Diesel Generator, if your area is plagued by power outages & ever increasing power bills, as a system with Solar, Battery storage & Diesel Generator combination will provide a totally reliable and independent power system, it's worth calculating how little it costs to run a Diesel Generator to totally black-out proof your system, yes it is a larger investment purchasing all three, however the reliability this system will provide is priceless, and the saving you will make will be ongoing for decades to come.

One great thing about Pole mounted Solar Tracking system, it is in fact the easiest system to dismantle & remove the whole assembly including the Pole, leaving no damage or footprint behind, this leaves you free to take your system to your next premises and re-install it.

If you send us your power usage details, we will assist you with a FREE estimation for an Independent Power Grid, we can work around you requirements and budget.

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

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What the Electricity Retailers don't want you to know; Is that a Battery bank and Solar array can instantly make Electricity Retailers Redundant!

Calculate the time it takes to self-fund your own private Micro Power Grid.

Are you paying to much for your Mobile Phone Bills, have a look at AMAYSIM Mobile, they offer $10 Unlimited Mobile & National Australian phone calls and more!

We have been with Amaysim for several years, and saved thousand dollars!

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