The Development of a Combustion System for a 110 MW CAES Plant

[+] Author and Article Information
D. R. Hounslow, W. Grindley

Aero & Industrial Technology Ltd., Burnley, United Kingdom

R. M. Loughlin, J. Daly

Dresser Rand, Wellsville, NY 14895

J. Eng. Gas Turbines Power 120(4), 875-883 (Oct 01, 1998) (9 pages) doi:10.1115/1.2818482 History: Received February 27, 1995; Online November 19, 2007


The use of stored energy systems is receiving increased attention for power generation. Alabama Electric Co-operative (AEC) have installed a 110 MW Compressed Air Energy Storage (CAES) plant at McIntosh, Alabama. The plant employs tandem high and low-pressure fired expanders with the high-pressure combustors operating at 44 atm and the low-pressure units at 15 atm. Both are designed to operate with natural gas, or on No. 2 fuel oil, as a standby fuel. This paper describes the development of both the high and low-pressure combustors for this unique application, the testing of prototypes at simulated conditions at up to 8 atm using customized test rigs, and the definition of a design for application to the plant. Problems encountered during the first three years of operation are described and the solutions to overcome these are also presented.

Copyright © 1998 by The American Society of Mechanical Engineers
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