Ann: Hydrogen Project Update, page-7

Perfect climate, solar is most efficient when you've got cool temperatures and direct sunlight (doesn't matter much about the ozone coverage).

Also;

https://reneweconomy.com.au/rio-tinto-powers-ahead-on-solar-farm-to-supply-pilbara-iron-ore-mine/#:~:text=Rio%20Tinto%20announced%20early%20last,thirds%20of%20its%20annual%20requirements.

Rio in Northwest Australia building a 40 MW solar farm at Tom Price:

"The miner is also building a landmark 40MW/12MWh battery energy storage system at its Tom Price operations around 60kms away, in a development that its technology provider says could help pave the way for 100 per cent renewables in Australia’s major grids."