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BYD Solar solar panels review

Overall Rating From 10 Reviews:

BYD Solar solar panels review

Average Customer Rating:
( 4.00 / 5 )

Tier 1

BYD is a Chinese manufacturer of tier one solar panels with 12 year product warranties and 25 year performance warranties.  They do not have an Australian office and so the company that imports the panels into Australia is responsible for their warranties.

BYD Solar Panel Manufacturing Capacity

BYD is a mid sized manufacturer of solar panels and produced approximately 1.5 gigawatts in 2016, well below the world's largest manufacturer, Jinko Solar, which produced around 6.5 gigawatts that year.

The BYD Company

BYD stands for Build Your Dreams and was founded in 1995.  Its headquarters are in Shenzhen, a city of 12 million people immediately north of Hong Kong.  It is a huge company and solar panel manufacture is only a small part of what it does.  Currently it has around 220,000 employees and a market capitalisation of $22 billion. 

BYD is the world's largest producer of rechargeable batteries and also the world's largest manufacturer of electric cars.  In 2016 they sold over 100,000 while Tesla only sold around 76,000.  At the moment I'd definitely take a Tesla electric car over a BYD one, but maybe in the future they'll change my mind on this.

In addition to batteries and electric cars, they also produce electric buses, LED lights, trains, and monorails.

While BYD has been producing solar panels for a number of years they have only recently started to develop a significant presence in Australia.

BYD Sells Battery Storage In Australia

BYD sells B-Box home battery systems in Australia and I wrote about them here

Their Download Center Doesn't

The "Download Center" on the BYD PV website doesn't actually download their solar panels datasheets.  But by going to this page and clicking on the pictures of solar panels I was able to download datasheets.  Navigating the BYD website is like playing an old fashioned point and click adventure game.  By that I mean it is severely lacking in logic.

BYD Data Sheets Can Have Incorrect Illustrations

The datasheet for the BYD P6-36 Series-3BB panels says it has 72 cells and the size and weight that is given is that of a 72 cell panel.  However, via a process I learned from Sesame Street called counting, I determined that the photograph of the solar cell on the datasheet only has 60 cells and so does not match its description. 

Other BYD datasheets may have correct illustrations, but I can't be certain.

BYD Solar Panels

Currently, BYD only appears to produce polysilicon panels, which are also known as multisilicon panels.  Polysilicon has the advantage of being slightly cheaper than monosilicon, but it is not as efficient.  As high efficiency is often not required, polysilicon is definitely suitable for use in Australia.

The efficiency of BYD panels ranges as low as 14.1% for some of their smaller, 48 cell panels, up to 16% for their higher efficiency 60 and 72 cell panels.  This is below average for modern panels and makes them less suitable when roof space is limited.

Unfortunately, at the top of their datasheets, BYD gives the cell efficiency and not the panel efficiency.  Because no one ever buys a solar panel and then breaks it up to use the individual cells, giving the cell efficiency rather than the lower panel efficiency is misleading. 

BYD's Double Glass Panel

BYD produces a double glass panel which has solar cells between two layers of glass instead of having a plastic backsheet.  Their datasheet says, "Longer service time up to 40 years" but the warranty is the same.  Their efficiency is similar to their other panels and ranges from 15.1% to 16%.

Corrosion Resistance

The datasheets of standard BYD panels state they have passed the TUV salt corrosion resistance test.  Also, I have viewed corrosion resistance certification for them.  However, the warranty I was able to download from the BYD site, which was dated Jan 1st 2016, states the warranty does not apply to any product that has been subjected to:

"The product's installation in a mobile or marine environment."

They do not state what they consider to be a marine environment.  Hopefully this will be removed from their warranty or at least qualified. 

My Recommendation

BYD panels are tier one, which means they are considered reliable by large financial organisations when used in large solar projects and so they should be very unlikely to have problems when installed residentially.  Because BYD does not have an office in Australia the company that imports the panels will be responsible for their warranty.  While I would not pay a premium for them, I am happy with accepting BYD panels as a low cost and very likely reliable option. 

Rating Comments Name State Postcode

Bought From: Green Solar Review Date: 10 June 2018
Barry QLD 4208

Bought From: VV Electrical and Solar Review Date: 1 May 2018
Colin VIC 3380
I cant comment as my system has not worked properly for long enough only worked for about 2 months before having problems
Bought From: Cola Solar Review Date: 28 March 2018
Anon VIC 3629
The panels seem to be producing good power which is often more than our consumption on the day but this is not reflected in the bills we continue to receive.
Bought From: RK Solar And Consulting Review Date: 29 August 2017
Sheldon NSW 2765

Bought From: Q2 Solar Pty Ltd Review Date: 7 May 2014
Trevor NSW 2579

Bought From: Green Solutions Review Date: 15 September 2012
Thomas NSW 2517

Bought From: ZEN Energy Review Date: 11 September 2012
Scott SA 5422

Bought From: Green Tiger Energy Review Date: 11 September 2012
Les ACT 2617

Bought From: The Solar Renewable Energy Corp Review Date: 11 September 2012
Paul NSW 2113
Very broad, smooth and solid generation with no jittery peaks and troughs as the weather changes over the course of days. Consistent results that aren’t finicky are this panel’s forte. Excellent weak/low light performance - these panels eke the most out of rainy or dark days compared to nearby systems. Impressive all year round - generous winter outputs right when you need them most in the solar low-point months were a very pleasant surprise indeed.
Bought From: Solar Sunwerx Review Date: 18 August 2018
Iain VIC 3155

BYD Solar has 18 solar panels in our database

Model Type Size PTC Performance Ratio Californian Approved
BYD 215P6-30 (60 Poly cells)Polycrystalline21519188.60Yes
BYD 220P6-30 (60 Poly cells)Polycrystalline22019588.64Yes
BYD 225P6-30 (60 Poly cells)Polycrystalline22520088.71Yes
BYD 230P6-30 (60 Poly cells)Polycrystalline23020488.78Yes
BYD 235P6-30 (60 Poly cells)Polycrystalline23520988.81Yes
BYD 240P6-30 (60 Poly cells)Polycrystalline24021488.96Yes
BYD 280P6C-36 (72 Poly cells)Polycrystalline28025189.61Yes
BYD235P6C-30 (60 Poly cells)Polycrystalline23521089.19Yes
BYD240P6C-30 (60 Poly cells)Polycrystalline24021489.25Yes
BYD245P6C-30 (60 Poly cells)Polycrystalline24521989.31Yes
BYD250P6C-30 (60 Poly cells)Polycrystalline25022389.36Yes
BYD255P6C-30 (60 Poly cells)Polycrystalline25522889.41Yes
BYD285P6-36 (72 Poly cells)Polycrystalline28525388.88Yes
BYD285P6C-36 (72 Poly cells)Polycrystalline28525689.65Yes
BYD290P6C-36 (72 Poly cells)Polycrystalline29026089.69Yes
BYD295P6C-36 (72 Poly cells)Polycrystalline29526589.73Yes
BYD300P6C-36 (72 Poly cells)Polycrystalline30026989.77Yes
BYD305P6C-36 (72 Poly cells)Polycrystalline30527489.84Yes
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