Solar power question: What is the pricing of thin-film solar panels like per watt, compared to standard PV cells? I'm comparing 80W thin-film panels in the 6% efficiency range to 135W, 185W, 210W sized Kyocera panels. Also questions about sourcing from China and thin-film solar manufacturing. [more inside]
posted by thewalrus on Oct 5, 2009 - 3 answers

How can we present instantaneous stats on our energy consumption and generation in a site with a windmill and possibly other forms of energy generation? [more inside]
posted by advicepig on Sep 18, 2009 - 3 answers

This weekend, I saw a green renovation show that used a large amount of gravel in the basement to hold heat gathered from a solar-collecting area in the roof. My dad, a builder, says this method doesn't work well. Help me understand if someone has devised a "better mousetrap" or if this is just something that has never worked and is being done for greenwashing on TV... [more inside]
posted by bitter-girl.com on Apr 14, 2009 - 14 answers

I heard about a company that installs solar panels and then they take part of the energy created as a source of paying for the panels and installation...does this sound right and does anyone know of such a company?
posted by matthelm on Jan 2, 2009 - 9 answers

Where can I find the most affordable solar panels to power my dorm room? [more inside]
posted by peetle on Jun 23, 2007 - 24 answers