They leave out the important numbers.
How much did the system cost? What is the cost of the electricity produced?
In short, they\’ve left out the very numbers we need to understand whether it\’s worth it.
and thereby save 350 tonnes of CO2 a year.
OK, at the top end of Stern\’s range, this is an externality of £25,000 a year. So, does the system cost more than £25,000 a year than alternative sources of electricity?
Does it, in fact, make us poorer or richer?