Solar is getting cheap fast—pay attention, Very Serious People
by David Roberts
13 Oct 2011 1:34 PM
I hope everyone has read Kees Van Der Leun's post about the rapidly falling cost of solar PV. I want to draw out one quick point that Kees leaves implicit.
He argues that PV will be the cheapest source of electricity for
most of the world some time around 2018, and for the rest of the world
soon after. That could be off by a few years in either direction. It
depends on whether the cost curve for silicon solar cells continues as
it has the past and, as Alan says in his comment,
whether the cost curve for "balance of system" costs (steel, glass,
installation, etc.) declines as well. Let's say it could be off by five
years either way. Let's just assume it's 2023 before solar PV crosses
grid parity and becomes cheaper than coal.
Sunday, October 16, 2011
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