First tweaked the sliders in Artisan to heat up the machine with a lower airflow, keeping more heat inside the machine. This cost 0.087 kWh
Warmup started at 19:31 for 15 minutes, using 0.686 kWh
CHARGE happened at 19:47. Shortly after, energy use declines as ever less heat is needed.
FC at 19:58
DROP at 20:01 after using 1.264 kWh
Cooling of the roasted beans took 2 minutes
Switched OFF the roaster at 20:05 having used a total of 1.274 kWh for the roast of 1700g green beans