Abstract
Energy conservation measures can not only improve energy efficiency; it can also enhance microgrid resilience. This paper aims at investigating energy conservation in a small microgrid, using a new hospital in Riyadh city as a case study, to satisfy the Saudi Building Code (SBC part 601) requirement of energy conservation as the first case. The second case study aims to apply and simulate additional advanced energy conservation requirements. The new hospital has considered energy conservation measures uch as upgraded Heating, Ventilation, and Air Conditioning (HVAC), lighting type effect, thermal insulation, and window material. These energy conservation considerations made a difference in the annual energy saving and efficiency of its microgrid. This study used Autodesk Revit software to obtain building information modeling (BIM) and eQUEST to perform energy simulations. The two software programs are integrated together to perform comprehensive energy simulations with detailed building information from the model by Autodesk Green Building Studio (GBS). The energy conservation measures mainly focused on energy management and saving in the building’s electrical installations. All utilized equipment in the hospital should follow the Saudi standards issued by the national authorities. The simulation results revealed a noticeable annual energy saving of up to 19.82% for the second case, using a great thermal resistance building envelope, energy-saving lighting system, and highly rated Energy Efficiency Ratio (EER) HVAC system compared to the first case. More than 100,000 SR in yearly energy saving was achieved by implementing the second case study. Applying the Value Methodology (VM) to the proposed hospital in this study saved more than 700,000 SR in the initial cost of the hospital.
Highlights
Introduction published maps and institutional affilEnergy conservation measures can improve the energy efficiency of a microgrid and the resilience and reliability of a microgrid
This study focused on energy conservation measures including upgraded HVAC, lighting type effect, thermal insulation, and window material, which have not been utilised before, especially in the exceptional climate of Riyadh
After reviewing these studies and previous works that showed different methods of different methods methods of of. After reviewing these studies and previous works that showed different reducing the consumption of electrical energy in the buildings, which are based on statisreducing inin thethe buildings, which areare based on statistical reducingthe theconsumption consumptionofofelectrical electricalenergy energy buildings, which based on statistical data and computer programs, we find that the main factor in electricity consumption data programs, we find main factorfactor in electricity consumption is the tical and datacomputer and computer programs, wethat findthe that the main in electricity consumption is the HVAC system, followed by lighting in hospitals
Summary
Energy conservation measures can improve the energy efficiency of a microgrid and the resilience and reliability of a microgrid. Energy conservation refers to minimizing energy consumption using more efficient equipment and appliances as well as sensible utilization. Refraining from using products or services becomes a way to save energy, but it is possible to do this by utilizing various energy conservation measures that reduce energy consumption compared to their conventional counterparts. Energy conservation is an important component of long-term viability and development. It is a critical issue, as the use of nonrenewable resources has an impact on the environment. The use of fossil fuel contributes to air and water pollution because carbon dioxide is produced when iations
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