Here is a different take on powering those workstations.  Add these to your cubical at work and power your computer and other electrical devices from the ambient light in the room.  If the power goes below what is needed, it just kicks in the power from the regular power grid.

http://www.fastcompany.com/1554054/cubetube-generates-power-from-the-fluorescent-lights-above-your-cubicle