5.5 : Thermal Distribution Systems




5.5.6 1999 Energy Efficient Motors, Replacements and Sales, by Horsepower Class
Existing | Replacements
Units in Use Horsepower | Energy Efficient
Horsepower Range (thousands) (10^6) | % Retired Share of New Motors
1 - 5 20,784 59.6 | 2.5% 17%
5.1 - 20 6,927 81.8 | 2.0% 29%
21 - 50 2,376 78.2 | 1.5% 45%
51 - 100 738 59.6 | 1.0% 52%
101 - 200 412 56.5 | 0.8% 65%









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Sources:

Electrical Apparatus Service Association, Past Trends and Probable Future Changes in the Electric Motor Industry 1990-1999, 2001, p. 18 for existing stock and retirements and p. 28 for energy efficient motor sales