https://en.wikipedia.org/wiki/Pyranometer
https://www.thepoke.com/2025/09/10/trumps-energy-secretary-took-aim-at-renewable-energy-and-it-magnificently-blew-up-in-his-face-13-simply-electric-takedowns/
The broad public knows only batteries.
“In July, Oracle announced a deal to provide ChatGPT’s parent company OpenAI with 4.5 gigawatts of electricity to power its AI software.”
https://edition.cnn.com/2025/09/10/investing/elon-musk-larry-ellison-wealth
https://edition.cnn.com/2025/07/17/business/china-new-export-controls-ev-battery-intl-hnk
https://edition.cnn.com/world/africa/egypt-solar-battery-energy-obelisk-spc
‘Wind theft’: The mysterious effect plaguing wind farms https://www.bbc.com/future/article/20250506-renewable-energys-trouble-with-wind-theft