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At least some are trying to ask the hard questions about entrenched fossil fuel costs:

https://reneweconomy.com.au/if-were-going-to-hold-an-inquiry-into-the-life-cycle-of-solar-why-not-coal-and-gas/

reshared this

in reply to Greg A. Woods

solarreviews.com suggests about 25 years is about when they start to noticeably degrade in efficiency.

https://www.solarreviews.com/blog/how-long-do-solar-panels-last

in reply to Greg A. Woods

Thats a fairly nice lifespan. Although hopefully it will get even better as technology is developing further. We have some on the roof, so around twenty more years to go then...
in reply to Greg A. Woods

I assume in 10-15 years people would want to get new ones, as their effectiveness will be so much better. Assumptions... . Hmm.