An interesting post on investment and VC activities in the waste heat recovery market in the US. Cost is still around$2 to $2.5 a watt:
“If you are looking at an average cost of power at six cents per kilowatt hour, the payback is approaching three years on a simple payback analysis without taking advantage of energy tax credits. If you are looking at a coastal state where the cost of power is 10 to12 cents, the payback is less than two years.”
A series of companies are developing new thermoelectric generators with a target cost of $1 per watt, at that price renewable energy is competitive with conventional forms of electricity. Note that the US DOE has recently launch a new $27 million initiative to bring solar energy at this level by 2017!
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