The ability of small utilities to meet future customer requirements for fairly priced and reliable electric power will depend on their capability either to purchase inexpensive electric power from larger utilities or to produce power from their own high-efficiency generating systems. In the not too distant future, small utilities will also be faced with the reality of burning coal. In order to help meet these future needs, The Garrett Corporation, in conjunction with the Electric Power Research Institute (EPRI), conducted a conceptual design study to evaluate the suitability of high-efficiency gas turbine engines for external firing with a multifuel (including coal) combustion heat source. A primary goal was to synthesize a system that could be placed on the market by 1985 with normal (but not accelerated) R&D funding.

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