Equals $20,000 a person
Without factoring in inflation and present value of money spent, it means that EACH person had was charged $20,000. Given that at any one time 1/2 of any population are under 18 - generally - that would mean each family (if 4) was given a bill for $80,000 to put up all the turbines etc?
The payback is 7 years so they were spending $12,000 a year for each family in electrical bills and now they spend $0 for electricty?
The math does not seem right.
Or did "government" spend all the money to do this - ie other people's taxes in other parts of the country - to make this island generate electricy.
If a turbine breaks and it costs a million dollars to repair / upgrade does each person on the island get a bill for $250?
Putting out only part of the (positive) facts is disengenious.