MakeHeat

I want these for our home.  Unfortunately, they’re just for commercial buildings, so far.  You get heat, light and electricity.  Now you can see real-time what a system is producing in Denver CO, USA.  The combined savings really add up, if you’re abode is 180,000 sq ft.  (see http://www.renewableenergystocks.com/PL/news/033109a.asp) for a breakdown/breakeven/CA tax incentive view)

BrightPhase Energy | Clean Energy for Commercial Buildings. 50% Cost Reductions..

Okay, this one’s a bit of a tangent, but you can save some $ on your ‘lectric bill, and not have to rewire to DC (or AC for that matter).  For the breadboard crowd.

Using AC with LEDs (Part 4) – The New Technologies.