Exactly. It's manufacturing + installation + maintenance + infrastructure cost that define what this costs. I'm guessing these would need quite a bit of mainten

Exactly. It's manufacturing + installation + maintenance + infrastructure cost that define what this costs. I'm guessing these would need quite a bit of maintenance and attention. Things get dirty, hoses get blocked, etc. And of course reservoirs for fuel and clean water fill up. You are not going to put these in the middle of the ocean probably. This looks like it is designed for small scale usage close to where people live.