The solar shakeout has been spreading far and wide, with the most recent announcement of 40-year-old BP Solar quitting the mix thinning competitors even further.

There have been various strategies for survival for the remaining players as they attempt to keep up with rapidly dropping panel prices but steady manufacturing costs. One California-based solar PV company, HyperSolar, recently announced it would abandon solar panels altogether and will focus instead on making solar powered nanoparticles that can float in wastewater to clean it and at the same to,e produce methane gas. Keep reading →