I mainly charge using solar. Is this trial for customers who have significant grid demand?

The more grid-demand that homes have for EV charging - the more chance there is for this to be used to help with grid balancing - but the reality is all connected load is valuable.

Testing these sort of hypotheses is precisely why we are delivering this Beta. Seasonality is also important. DSR becomes more favourable in the winter months when solar generation is decreased and grid-demand is higher