[IAmBroom]

Not if it won't recover it's own costs.

[cma]

It may still lose on this, but you would also want to include the externality costs that the consumer doesn't themselves bear for whether it is worth it overall.

[dzhiurgis]

Cost is convenience.

Manufacturing cost is like $40 cells, $20 electronics and $200 in glass fusion, mounting, etc.

My car eats 200W just being online so it would be useless to charge from solar.