I don't like to place too much hope on these periodic doublings going on forever, but it seems that we are on the upward part of the solar PV s-curve right now:

I don't like to place too much hope on these periodic doublings going on forever, but it seems that we are on the upward part of the solar PV s-curve right now: http://gregor.us/solar/world-solar-power-goes-parabolic/ http://gregor.us/solar/world-solar-power-goes-parabolic/