Interestingly

Solar energy distribution in Europe: 

http://re.jrc.ec.europa.eu/pvgis/apps/pvreg.php

http://re.jrc.ec.europa.eu/pvgis/apps3/pvest.php#

Demo solar power stations in Belgium:

http://www.ridders-solar.com/index_en.shtml

http://www.time.com/time/magazine/article/0,9171,867598,00.html

http://www.ehow.com/about_4674467_what-solar-battery.html

The position of the sun in the sky:

http://www.sciences.univ-nantes.fr/physique/perso/gtulloue/Sun/motion/Day_night_a.html