With a specified amount of energy available. As Stefan says, it means that there'll be competition on days when there usually wouldn't be, and more aggressive tasks on other days. It's a new and rapidly-developing technology; better to allow for it than try to ignore it.
It is equivalent to an ebike competition where you could use the battery to help you with some of the climbs. Here it would help you to bridge the gap between some of the thermals but wouldn't get you around the full task. You still have to fly efficiently.
I watched today's live stream, they need to loose the love of FLARM and get with OGN. OpenSource has bought most of the innovation that folks are fawning over. Including chase drones.
