Interestingly, in Nigeria, when projects or projections are announced, they drift far from this estimate, and I wonder why.
|An electric power system|
**I'll try and find a reference. I originally deduced the $1 billion / gigawatt estimate from a ?2009 Nigerian government planning document that showed a graph of of capacity vs. cost for dozens of large (roughly 0.1-10GW) power projects in various countries over the decades, and it struck me how power provision is a commodity, a thing that could be accomplished with cash and without any high-tech competence whatsoever. It also showed clearly that there is a stable price for this commodity.
Aside, this is beautiful - all the large power plants in the world in one map: