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A critical analysis of energy efficiency improvement potentials in Taiwan's cement industry

 
: Huang, Yun-Hsun; Chang, Yi-Lin; Fleiter, Tobias

:

Energy policy 96 (2016), S.14-26
ISSN: 0301-4215
Englisch
Zeitschriftenaufsatz
Fraunhofer ISI ()
Cement industry; Energy efficiency improvement potentials; Bottom-up model; Scenario analysis; Energy efficient technologies

Abstract
The cement industry is the second most-intensive sector in Taiwan, which underlines the need to understand its potential for energy efficiency improvement. A bottom-up model-based assessment is utilized to conduct a scenario analysis of energy saving opportunities up to the year 2035. The analysis is supported by detailed expert interviews in all plants of Taiwan. The simulation results reveal that by 2035, eighteen energy efficient technologies could result in 25% savings for electricity and 9% savings for fuels under the technical diffusion scenario. This potential totally amounts to about 5000FJ/year, of which 91 % can be implemented cost-effectively assuming a discount rate of 10%. Policy makers should support a fast diffusion of these technologies. Additionally, policy makers can tap further saving potentials. First, by decreasing the clinker chare, which is currently regulated to a minimum of 95%. Second, by extending the prohibition to build new cement plants by allowing for replacement of existing capacity with new innovative plants in the coming years. Third, by supporting the use of alternative fuels, which is currently still a niche in Taiwan.

: http://publica.fraunhofer.de/dokumente/N-393913.html