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Really interesting doc on the state of the photovoltaic industry. The time for a system installed in southern Europe to pay back the amount of energy that was used to create it is now only one year. Most of the US is sunnier than southern Europe.

Also there were advances in higher efficiency monocrystalline panels and their market share massive spiked since 2016, from a quarter to almost all of the market.

>75% of recent installs in Germany also have batteries.

https://www.ise.fraunhofer.de/en/publications/studies/photovoltaics-report.html