The 23 Janus trucks hauling cement in Australia - they're likely doing a few more by now.

That's been going on for three years now, so they'd have some data.

Addendum: Found battery change footage from a year past- https://www.youtube.com/watch?v=pj9pdB9cYVQ

Rio Tinto (runs fleets of 100 tonne+ haul paks at many global sites) is running EV heavies in China and Australia with an eye to expand that usage:

* https://australianminingreview.com.au/news/rio-drives-electr...

* https://www.businesswire.com/news/home/20251204183951/en/BHP...

Mobile electric shovels for loading haul paks straight off the blasted shelf have been a thing for 50+ years now: https://www.komatsu.com.au/equipment/electric-rope-shovels