(left-click to enlarge image)Solar roof shingles.
Every house built in the future may come with them.
More research is needed to confirm feasibility (cost, durability, longevity, ROI, etc) but it certainly is a step in the right direction.
Might be worth investing in, as we come out of this recession (in a year or two).
Here is an article by DOW on their plans with Building Integrated Photovoltaics (BIPVs). Apparently, solar electricity cost is approx 300% more than conventional. Dow is planning to reduce this to approx 25% more. It will be interesting to see how they progress in the next few years.
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