Solar companies with operations in Oregon include SolarWorld, Sanyo, PV Powered, Oregon Crystal, Grape Solar, Solaicx, and Peak Sun Silicon.
One reason they and others in the Silicon Forest moved there is hydropower...
Back 9 years ago a module made up for the power it took to produce it in about 2 years, I imagine now it's even sooner. I have old technology modules from the early 80's behind my desk that still work. Today's tech will still be producing 30 years plus... Then we have our solar thermal water heating panels, the most primitive way to heat your water for a hot shower or to do dishes. Just that alone makes more sense than any other renewable energy method I can think of given that 40-50% of most home energy use is to heat water. This tech can be taken a step further using Ammonia Absorption science to use solar thermal to air condition or even refrigerate....