Energy use in hospitals is typically very high due to the load requirements of critical equipment and machinery tied to life-saving patient care. Additionally, hospital operations are 24/7 and access to a consistent and reliable source of electricity is vital. Hospitals located in cities like Metro Manila, Philippines receive energy from unreliable electricity grids that primarily use fossil fuels and often experience brownouts. These hospitals must maintain expensive diesel backup generators to stabilize their electrical supply. This study assessed Philippine General Hospital’s opportunities and ability to not only transition to renewable energy, but also to increase energy efficiency as a means to decrease the reliance on Manila’s electrical grid and decrease their total energy costs. A thorough analysis proved that Philippine General Hospital could achieve these goals through the installation of a solar panel array and a lighting retrofit from its current mix of CFL and LED bulbs to a system utilizing only LED bulbs. The analysis showed that by instituting an LED lightbulb retrofit alone would result in a seven percent decrease in electricity consumption. This translates into a yearly cost savings of $200,000. A ten-year and 25-year net present value (NPV) analysis showed that the six differently sized solar installation scenarios would all result in a net negative value for the short term analysis, and all net positive values for the longer term. This means that Philippine General Hospital would see a cost savings that could be applied to increasing patient care and overall quality of facilities. In a nation highly affected by the changing climate, the Philippines should be looking towards implementing technologies that limit carbon dioxide emissions and the use of fossil fuels. PGH currently generates between 9,500 and 11,500 tons of CO2 each year, installing sustainable technologies would result in an emissions reduction of 722 tons of CO2 per year. This is equal to the GHG emissions from 1.7 million miles driven by an average passenger vehicle or the energy needed to charge almost 90 million smartphones. Placing technologies like solar panels and LED light bulbs at a prestigious Filipino institution, like Philippine General Hospital, sets an example for the rest of the nation to follow, creating a path for a more sustainable future.
|Advisor:||Singh, Pritpal, Hunt, Iain|
|Department:||College of Engineering|
|School Location:||United States -- Pennsylvania|
|Source:||MAI 82/7(E), Masters Abstracts International|
|Subjects:||Alternative Energy, Energy, Sustainability, Electrical engineering, Economics, Health care management|
|Keywords:||Energy efficiency, Hospital energy use, International development, Philippines, Renewable energy, LED bulbs|
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