New Power Source To Help Cut Global Warming

Stirling Advantage, Inc., has announced a new design for its Stirling Power Systems that promises to play an important role in curbing man-induced global warming. The new design will produce electricity from the energy in wasted steam. Replacing steam condensers at large installations such as power plants and paper mills, the system will convert formerly wasted energy to electricity with no additional production of CO2 or other greenhouse gases.

ATHOL, Massachusetts – June 26, 2002 [] “Large power plants currently waste about two-thirds of their energy input to produce electricity,” said Stirling Advantage CEO, Ricardo Conde. “Our 1 megawatt, low temperature Stirling Power System would perform the function of a steam condenser at these plants and convert much of the wasted energy to electricity. In effect, it would increase the fuel efficiency of large power plants 10-15 percent by avoiding use of additional fuel.” The new system would also be useful in other applications where low quality steam is condensed such as paper mills, or as a bottoming cycle for fuel cells and steam turbines. Stirling cycle engines can utilize any source of heat to operate. However, most Stirling engines are small and require very high temperature heat. Stirling Advantage has elected to focus on larger engines that can operate efficiently at much lower temperatures. This approach offers many advantages related to lower maintenance costs. Equally important, low temperature Stirlings also promise significant environmental benefits. For example, demand for additional power capacity in the U.S. grows between 1-2 percent a year. If Stirling Power Systems replaced steam condensers at all U.S. power plants, increasing their fuel efficiency by 10 percent, the power industry could meet demand growth without adding generation capacity or producing any additional harmful emissions for at least five years. Stirling Advantage believes that economic use of wasted thermal energy is a critical component of a comprehensive environmental cleanup plan. Applied globally this approach can play a significant role in cutting the growth of fossil fuel use and associated greenhouse gas emissions.

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