Monocrystalline vs. Polycrystalline Solar Panels – What’s the Difference?

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See options of mono and poly solar panels at altE’s website: .
We often get asked by customers what’s the difference between monocrystalline and polycrystalline solar panels. Here’s a surprising comparison of the differences (hint: not as significant as you might think).

42 thoughts on “Monocrystalline vs. Polycrystalline Solar Panels – What’s the Difference?

  1. I'm curious why (when the temperature coefficient is compared) the monocrystalline is rated 0.04 %/K (Kelvin….she points this out) and the polycrystalline is rated 0.051 %/degree C (Celsius…….she doesn't mention this)? 1 degree Celsius = 274.15 Kelvin

  2. maybe you should compare apples to apples….in your video you showed the efficiency of the 295 watt panel and compared it to the efficiency of a 260 watt panel. o yet freeze framing and reviewing @ 2:43 and once again @ 2:46 quickly showed that on the sheet that showed the 295 watt panel it also showed the efficiency of the same panel in 280 watts and its efficiency was about the same as the first 260 watt panel…learn not to lie and people will not catch you. this is flat out propaganda to get the customers to buy one panel or the other…my guess? the one you make the most profit on….what are you the CNN of the solar world?

  3. Your math skills are atrocious ! Monocrystaline panels are nearly 13% more productive than monocrystalline ones: [(17.5/15.5) – 1.0] * 100% = 12.9%, #-NOT-# 2% ! This simple fact makes all of your your claims dubious, at best.

  4. Your video has shared wonderful information. To be frank, this is the first video that I watched that explained the difference between Monocrystalline and Polycrystalline. Do share more such informative content. To know about peak power solutions, click :

  5. Hi,
    your channel is great . i have question for you , In the part of the world where i am living the temperature in summer in average variesvfrom 35 c to 40 c in that reference to this mono and poly solar panels which one would be the best option?

  6. What you do not take into account is Livespan. Multicrystalline Panels (poly is the wrong word, since polycristalline silicon is the refined silicon, say the rawmaterial) will degenerate much faster. So in the long run mono is always better.

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