Lookup value	Description
#	Solar	A renewable form of onsite power generation. Most common are solar photovoltaic (PV) devices that generate electricity directly from sunlight via an electronic process that occurs naturally in certain types of material called semiconductors which power electrical devices or send electricity to the grid. http://www.seia.org/policy/solar-technology/photovoltaic-solar-electric
#	Wind	A renewable form of onsite power generation. Wind turbines use wind to make electricity and power electrical devices or send electricity to the grid. http://energy.gov/eere/wind/how-do-wind-turbines-work