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ET solar panel review

ET Solar are one of the smaller Tier 1 ranked solar manufacturers, and sometimes, bigger isn't better, because ET have proven to be an extremely reliable brand.

Unlike the largest Chinese manufacturers Canadian, Jinko, Trina with ET you can be assured that 100% of the panels are made in their own factory, from silicon block to wafers, to cells and finished module entirely in-house. They may make far fewer panels this way, but the quality control is light years ahead, which is why so few fail. We've never had one fail in the four years we have been installing them, and Whirlpool forum experts like Kaju and Hippiesparx were singing their praises many years before that.

Like Q.Cells who also make their panels 100% in-house, ET Solar provide a 12 year defect warranty. That compares to 10 years for REC, Jinko, Trina, Canadian, GCL and pretty much all of the other brands.

ET Solar don't have their own office in Australia, preferring to go through Australia's largest solar wholesaler One Stop Warehouse. Whilst that's a bit of a negative compared to brands like Q.Cells or LG, in reality, most solar brands either do the same thing, or their 'office' is often nothing more than a serviced telephone answering service in a tower block in central Sydney or Melbourne. Bit hard lugging panels up and down from the 35th floor.

There is one fairly ordinary review about ET Solar on the internet. It's probably the one that you'll see first if you do a Google search on 'ET Solar panel review' because it's been up for years, and is almost entirely wrong (they got Tier 1 right). It reviews one particular old mono ET panel that isn't even available in Australia, was written in 2014, clearly from information gleaned from a brochure or datasheet and is wrong on pretty much every point (performance in heat, linear warranty etc). We don't want to give it more oxygen by linking to it so you can have a read, but you will surely find the Queensland solar leads flogger who posted this rubbish if you look. Further searching on their site will identify a multitude of errors on other reviewed products as well.

The only negative we have with ET Solar is that Australia comes down their preferred list for supply and we only get relatively small volumes, and quite frequent 'out of stocks'. We've been caught out once or twice over the years, and the wholesaler has offered substitutes of equal or higher value, but in the main, we, and most customers are prepared to wait a few weeks for our ETs.

ET Solar panels sold and installed by Solar4Ever

ET 270W - 60 polycrystalline cells. 1640mm x 992mm x 35mm

Voltage 31.7V x Current 8.52A = 270W

Price $205 ($0.76 per watt)
Power loss on 30°C day = 0.41 x 25 = 10%

Power loss on 40°C day = 0.41 x 35 = 14.7%

ET 290W Mono - 60 monocrystalline cells. 1650mm x 992mm x 35mm

Voltage 32V x Current 9.03A = 290W

Price $240 ($0.83 per watt)
Power loss on 30°C day = 0.42 x 25 = 10.5%

Power loss on 40°C day = 0.42 x 35 = 14.7%

The ET 290W Mono panel is very space efficient giving you an extra 20W per panel from the same roof area as the 270W. It also has a very nice looking black frame.

 

 

 

 


 


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