Stirling Energy Systems and Solar Power – Stirl – Flash Player Installation

Stirling Energy Systems and Solar Power – Stirl – Flash Player Installation

This is another great idea on how to make solar power cheaper than coal.  Instead of expensive solar panels that convert sunlight directly into electricity this company uses inexpensive mirrors.  These small mirrors focus the sun’s heat onto the bottom of a Sterling engine.  A Sterling engine is a sealed box full of a gas and a piston.  The gas expands from the heat and pushes the piston and then cools down on the other side and compresses back again.  My favorite part from the article is at the end, “For its part, Stirling Energy points out that its solar dish Stirling equipment has held the world’s efficiency record for converting solar energy into grid-quality electricity since 1984.”  Efficiency is the key for future sustainable energy goals that can be used after the oil runs out.

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