That "countries with far less capitol" are generally going to fall into the categories of countries with far less land mass, far less population with access to electricity, far less obstacles etc. etc. etc.
When the fires happened last year in California because of damaged overhead lines, there was a cry for burying the power lines. The estimates were around $250 billion JUST for the 81,000 miles of HV transmission lines, costing EACH ratepayer around $15,000 and taking approximately 1,000 years to accomplish. Then that's just ONE state...
" We are all here on earth to help others; what on earth the others are here for I don't know." -- W. H. Auden