> "excess" of PV panels ... aligns with as much as one can afford. does it? Panels are not the most expensive part of the system any more. Overcapacity of pane

> "excess" of PV panels ... aligns with as much as one can afford. does it? Panels are not the most expensive part of the system any more. Overcapacity of panels isn't the bottleneck any more. Battery capacity or roof space might be instead.