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Case Studies

Solar Powered Day-care Revolution

In the never ending quest to reduce operating costs, day care centre owners are turning to renewable energies.    The operating times of most day-care centres is an extremely good match for solar.    Solar on its own does not help with night time power, however as the centres operate from early morning to mid-afternoon, with a power peak at lunch time – it is an incredibly good fit for well-engineered solar power.  Good quality – low maintenance systems are essential to keep any disruptions to the centre down to the 1 visit per year, however the new hybrid and battery systems are simply not required to match this power use pattern – lowering system costs.

Blue Tongue Solar is leading the way with understanding, engineering and installing these systems for the maximum benefit to each centre.    Some of our centres in Melbourne have reported 38% ROI from these systems. With commercial solar loans at 5.5%   - that’s a pretty healthy margin for the business.  A 30kw system will generate $14,600 worth of power each year – that’s over $300,000 total for the service life of the panels.

Mobile Link to your system

Our last 4 centres have opted for the Solar-Web work bench – a portal that provides real time performance readings for the web connected system.   Instead of worrying about the power bills on especially hot days, you can sit down at lunch time and see that your peak power usage is a fraction of what it used to be.

Solar Winery Spotlight     

In 2013 this central Victorian winery installed a Blue Tongue Solar System to reduce their operating costs and combat the rising electricity prices.


Cooling costs are higher in summer than in winter which matches the solar irradiation pattern well.  There is 35% more power generated in summer and so solar a good fit for the winery.

Blue Tongue Solar engineered the 120 panel system for optimum production and durability over three buildings which generates 47,600 kw per year.

The first step was to determine their actual cost of power from the contributing factors on the power bill. At 21c per kilowatt the solar plant yields $10,000 saving per year. As the price of grid power increases – The annual savings increase also.

Over the 25 yr life span of the panels the winery is on track for a total $235,000 saving by installing the system.

With no moving parts and a high quality solar module - Inverter combination, the system is virtually maintenance free. A bi-annual electrical check and panel clean is encouraged.

The winery benefits from the recognition of going green and helping the environment along with reducing their monthly bills.

Fowles winery – 60kw complete May 2016 – bill impact update coming soon

Solar windows. These are Thin film technology. 30% transparent.
The windows are connected to an inverter for grid connected output like standard systems.
Applications: full sun North facing buildings with short eaves.

Building integrated thin film solar panels can be ordered at any level of transparency.
The production reduces equally with the level of transparency required.

Variable colour and transparency offers flexibility when designing new spaces.
The panels can be mounted on frames as shown – or mounted by the Glazier as normal windows.

Test Labs.
Long term accelerated. Environmental testing of a high quality Standard is conducted on each new Product iteration.
Chinese Production and testing equipment is purchased and operated with European engineers.

Solar office block in Chengdu – China.
All the darker surfaces are part of the solar production grid.
The building is very light inside and produces all its power.
The light coming through the full height foyer is slightly golden.
The panels are finished off with Lucabond panelling.

Solar Factory.
This thin film solar factory complex has integrated panels on the North wall and roof.
Low transparency to maximise production helping to offset the factories power usage.

Thin film Panel technology used on some solar farms for higher production in variable climates.
This film panels require more space than the equivalent mono-crystalline panels.

Thin Film Ground Mounted solar panels for high heat environments

Open storage sheds with integrated solar roofing provides a useful/low impact solar production area

Solar panel variations successfully trailed:

Acoustic backing
Full colour variation (non see through)
Limited colour variation – transparent panels
Double glazing

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