Abstract
Improving energy efficiency requires detailed information on energy utilization. Many a times, institutional buildings across developing countries are not energy efficient. Thus, they require quantitative energy consumption audit information. This study outlines daily, weekly and annually projected energy consumption in an academic building within Nigeria. Measurements of the energy utilizations of the building were in accordance to ASHRAE Standard 22, ASHRAE/IES Standard 100-2015 and BCA Health Check report guidelines. Results showed that HVAC appliances and electrical motors driven gadgets consumed 36% and 61.9% of the total energy supplied. In conclusion, improving energy efficiency of similar facilities requires energy conservation practice in terms operating motors and other HVAC devices off idle-time and non-occupancy period respectively.
Highlights
Buildings accounts for nearly 40% of annual energy consumption globally
This energy audit identified some energy conservation approach for an academic building and recommended actions for energy management. It acts as a preliminary study leading to implementation of campus specific energy use database and national energy management programme
Different observations noticed during the exercise were made into a report and submitted to the physical planning department of the university in order to implement them after a careful economic analysis and prefeasibility study
Summary
Buildings accounts for nearly 40% of annual energy consumption globally. Energy consumption monitoring is crucial to determine where and how power is utilized within buildings per time [1]. The recommendations from EA analysis addresses energy efficiency gaps for residential buildings [4], [5], and enables prioritization of energy conservation measures in commercial and industrial buildings [6]. Evidences from literature presents less awareness on energy-efficiency measures in the service sectors (office buildings, hostels, supermarkets and hotels) as opposed to the industrial side [12], [13] which are obliged to provide a database for energy use. This lays evidence to Akinbami & Lawal’s claim that more survey data is required to analyze the energy consumption of commercial facilities in Nigeria. The results would further improve the power planning and control unit in the application of detailed energy consumption audit across the university
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