Solar Sidewalks

Abstract

As we progress in society, it is without a doubt that energy production is moving away from fossil fuels and moving into the emerging field of renewable energy sources. Solar power, through the use of photovoltaic cells, has always been a key player in this space. In its inception, costs were drastic and unaffordable for many, however, over the past decade, the price has dropped dramatically and made it possible for many to take advantage of the cost savings and clean solar energy production. This study seeks to transform what we know as pedestrian sidewalks and parking spaces into a dual-purpose piece of infrastructure. Research shows that twenty 100 watt, 4 ft x 2 ft panels are capable of producing 2,820 kWh per year or 7.8 kWh per day. A typical incandescent traffic light uses around 2.4 kWh per day while an LED traffic light uses around 0.36 kWh per day. With a short stretch sidewalk of 400 feet in length made up of 200 panels, a city would be able to produce 78 kWh per day; more than enough to power multiple intersections. Through extensive literature reviews and a case study, this paper presents various elements for the design and construction of the solar-paneled sidewalk and parking space; pros and cons; technical limitations; and construction aspects. In addition, it presents the energy production and revenue generation from this solar-paneled sidewalk and parking space project.

Carlos Figueroa, Ben Hebert, Kevin Sommala, & Joel Monterio | Engineering Technology | Faculty Sponsor Nirajan Mani

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