Energy audit in building: Tools to improve overall energy efficiency

Zakaria, Azma Niza Laila (2016) Energy audit in building: Tools to improve overall energy efficiency. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The rapid increase of energy consumption will give the worst affect to the environment such as cause the global warming and climate change.Due to the increasing of the awareness programs and energy policy UTeM,the energy audit project is performed at Factory 1, FTK to develop energy efficiency measures. The purposes for this audit are to develop sustainable energy practices, analyze the performance of Energy Efficiency Index (EEI) and reduce energy consumption in the building. Factory 1 consists of 34 laboratories, 9 corridors, 4 toilets and 2 prayers rooms with area 11 692 m2. These audits are focus on performance of the building using EEI as an indicator, potential saving and energy saving methods. In addition, it also focuses on lighting system, air conditioning system, lab equipment and plug-in equipment. The parameters measures in this project are lux level, relative humidity, temperature and carbon dioxide emissions. Energy audit showed the annual energy consumed from September 2015 until August 2016 is 1,097,704 kWh with annual cost RM 371 561.70 is lower than annual energy consumed from September 2014 which is 1,188, 215 kWh with annual cost RM 398 124.10.The annual potential saving after the implementation energy efficiency practices is RM 26,562.40. The performances of the building in term of EEI in September 2015 are decreasing from 125 to 110 kWh/m2/yr. Factory 1 are still in best performance and follow the Malaysia Standard range which is below 135 kWh/m2/yr. From the load apportioning and parameter measures, the energy saving methods are proposed such as increase the temperature of the air conditioning at thermal comforts, lit up the lighting for small area only, switch off the lamps when no person around and using awareness signage. After that, the comparisons between actual data at 2015 are compared with eQUEST software. The simulation is used as one tools to identify the performance of the building. Next, the reduction of energy consumption at Factory 1 can reduce as much as 68.8 tons of CO2 emissions to the atmosphere and this will lower the global effect and climate change. As a result, it is show that the energy audit is an important tool to save energy consumption, save budget, environment and manage the energy improvement.

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