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The Results (Lessons Learned) of More than 110 Energy Audits for Manufacturers by the Louisiana Industrial Assessment Center
Abstract
This paper and discussion presents the summary
and results of energy audits or assessments conducted
by the University of Louisiana Lafayette Industrial
Assessment Center, which is sponsored by the US
Department of Energy, for the first four years of
operation. To insure the confidentiality of our
clients, the results are generalized and summarized
by industry type and recommendation type. Where
the assessment finding and recommendations have
been implemented, the implementation rate is shown.
For recommendations that have the most significant
savings and a high implementation rate, we will show
the summarized implementation cost and payback
period.
The Industrial Assessment Center of the
University of Louisiana Lafayette began operation in
FY01 and conducted its first industrial energy
assessment in December 2000. In this paper we
present the results of this energy assessment and
those of 112 more through August 2004. By
industrial type, these assessments were for: Oilfield
Equipment Manufacturing (23%), Food and Food
Processing (18%), Petrochemical Manufacturing and
Refineries (13%), Other (non-Oilfield) Equipment
Manufacturing (12%), Ship Building and Repair
(8%), Woodworking, Clothing and Wire
Manufacturing (6%), Paper, Cardboard, Boxes and
Bag Manufacturing (5%), Machining (4%), Building
and Building Materials (4%), Printing (4%), and
Glass and Ceramics Manufacturing (3%). The
distribution of manufacturers for the State of
Louisiana is weighted much higher in the
Petrochemical Manufacturing and Refineries,
however because of limitations on the amount of
energy consumed (restrictions for the Industrial
Assessment Centers), many of these are beyond the
scope for Industrial Assessment Centers.
For most of the recommendations we make, we try to
keep the installation cost (parts and labor) within a
one-year payback period. However, we have
occasionally looked at longer payback periods when
suggested by the client. The recommendations for
each industry type are summarized in the following
ten categories: air leaks and operating compressed air
pressure (includes methods to lower cost by lowering
the operating air pressure), replace air tools with
electric tools (includes grinders, chippers, wrenches,
and fans or blowers to replace air horns), installation
of insulation (on hot or cold equipment, pipes and
buildings), lighting (photo sensors, reductions,
occupancy sensors, and LED exit signs), recycling,
combustion efficiency and CHP, steam leaks and
traps, heating and cooling (people and space),
alternative fuels and operations, and productivity
improvements (including preventive maintenance and
group lighting replacement).
Collections
Citation
Kozman, T.; Davies, T.; Reynolds, C.; O'Quin, R.; DaCosta, J.; Galti, T.; Pechon, C.; Stutes, K. (2005). The Results (Lessons Learned) of More than 110 Energy Audits for Manufacturers by the Louisiana Industrial Assessment Center. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from https : / /hdl .handle .net /1969 .1 /5599.