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[-] Chocrates@lemmy.world 2 points 7 months ago

Do you know the type of pv panel that was used 20+ years ago? I lived in an off grid house and my dad mentioned that at one point.

[-] Blue_Morpho@lemmy.world 2 points 7 months ago* (last edited 7 months ago)

Monocrystalline silicon was used 20 years ago. It's the oldest solar technology.

According to the source data in a link in the page I linked thin film CIGS rollable solar sheets was the least durable. Panels installed before 2000 had a degradation of 3.5% a year. That's 10 years to lose 30%. But CIGS solar systems installed after the year 2000 show only .02% degradation a year. The document talks about manufacturing defects that were corrected.

http://www.nrel.gov/docs/fy12osti/51664.pdf

[-] Chocrates@lemmy.world 3 points 7 months ago

Ok, I'm just flat wrong! Til!

[-] Croquette@sh.itjust.works 0 points 7 months ago

Yeah but your point is that solar panels degrade 30% after 5 years, and then you reframe the context for 20 years ago?

Go astrosurf somewhere else.

Any grid has a maintenance cost and degradation. Solar panels isn't any different.

[-] Chocrates@lemmy.world 4 points 7 months ago

The fuck are you talking about. I was wrong. Get over it.

this post was submitted on 10 Apr 2024
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