East of the shackleton craters seems like the best spot for a lunar base:
It has near constant sunlight throughout the lunar summer.
Also a light map made by NASA, brighter means more sunlight throughout the six months.
The most illuminated ares marked here:
A and B seems like the best location, since they receive the most sunlight of them all (81-85% of the day).
Building a colony in this general location would be the best from a power standpoint.
Cabeus and shoemaker crater are the best spots for mining water that can be refined to for example fuel.
Lastly, flyover of the moon: https://svs.gsfc.nasa.gov/3686
Source: http://www.nature.com/news/2007/071023/full/news.2007.182.html https://www.nasa.gov/mission_pages/LRO/multimedia/lroimages/lroc-20101215-south.html