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Peaking Power from Stored Air

by A. Stanley Stys, Vice-Pres.; Brown Boveri Corp., North Brunswick, N.J.,


Serial Information: Civil Engineering—ASCE, 1977, Vol. 47, Issue 1, Pg. 48-51


Document Type: Feature article

Abstract:

Pumped storage has been recognized as a means of supplying additional electric power generation capacity during peak load periods for quite a while. However, such facilities are traditionally based on the storage of water. An electric power plant in West Germany has broken that tradition. Its new pumped storage system utilizes compressed air which is stored under high pressure in a cavity leached from a natural salt dome. Since the air is under more pressure than normally handled by standard gas turbines, a second stage is added to the gas turbine used in this facility. Pumped storage of air has wide ranging applications because it is not nearly so limited by topography as is water based storage.

Subject Headings: Electric power | Water storage | Hydro power | Energy storage | Turbines | Power plants | Load bearing capacity

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