Furthermore, utilities have risen in cost by 40 % over the past three years, largely through added system security of power infrastructure implemented at very generous terms for the industry. (dotearth.blogs.nytimes.com)
But although cleaner solutions are increasingly available, it's not cheap to upgrade power infrastructure in remote communities. (cleanenergycanada.org)
That savings alone would pay for the new power infrastructure needed within about 17 years, or about 10 years if annual electricity sales are accounted for. (news.stanford.edu)