T
TedM
Starting in September 2013 and free - https://www.edx.org/course/delft-university-technology/et3034tux/solar-energy/770 - based on 8 hours a week for 8 weeks commitment.
(There are lots of other interesting free distance learning courses at edx.org from Harvard, MIT, Berkeley, etc)
(There are lots of other interesting free distance learning courses at edx.org from Harvard, MIT, Berkeley, etc)