[perlgeek]

> probably will not do it just because there is not a single contractor who does it and nobody who has it installed to give me advices.

And this is why subsidiaries for pilot projects are super important.

As a society, we really should try out such ideas, but of course, the first few times you do it, it's more expensive and error-prone, so there should be some subsidiaries or other incentives (tax reduction?) to kickstart this.