Rizeq Hammad
University of Jordan, Jordan
Title: Integrating solar technologies into the building envelope: A case study: Integration of a photovoltaic system in a house in Amman city
Biography
Biography: Rizeq Hammad
Abstract
This paper describes the integration of electrical generating energy system using sunlight and day lighting within building skin design, and utilizing this energy as supplementary (and main energy supply in the near future). This system is has led to reduction of the building’s electrical bill in a limited energy resources country, like Jordan. The total electrical bills within 50 years in Jordan are equal to the primary cost of the building construction. A photovoltaic system is installed in a small house in Amman City, and the electrical energy output is carefully studded through two years period. This system is integrated with the electrical board which is supplied by the electrical company. The system consists of photovoltaic panels, an electrical converter and a two way electrical meter. When the system is produces additional electricity, (more than that required for house-hold needs, this extra load passes to the main electrical board. The electrical meter counts the supply from the main board and the additional electricity produced by the system. The final electricity bill is the difference between the in and out watts. The maximum allowable watts from this system should not exceed 3kw per hour. This system proves to be efficient during the two years, where the sunny days in Amman are approximately 300 days, and the overcast days are few. The average monthly production is 500 kilowatts, and that contributes to 30% of the final bills during the winter and 60% during the summer. This reduces the final monthly electrical bills to $15 during sunny days compared to $150.This system will cover its initial cost within 7 years despite the fact that the maximum allowable watts for this house are 3kw/hour. This system has many advantages in a poor energy resources country, such as Jordan and produces electricity without any additional cost, needs no maintenance and produces green energy. The system will even continue to produce free energy without any charges and charge the electrical board while the occupants are enjoying their vacations.