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Carbon emissions

Solar Water for Car Washes (2003)

Submitted by Raquel Ponte Costa on June 20, 2015

This brochure is a case study of the Sonoco Car Wash in Markham, ON Canada, and that company’s experience with solar thermal water heating. Each year, an individual car wash such as this one in Canada releases 30 tons of CO2 emissions due to the use of natural gas in their water heating. With their solar thermal system installed, this will no longer be the case. Furthermore, energy savings from the system will pay for the upfront installation costs in 10 years’ time, without any government assistance. This is a model that could be replicated at car washes nationwide.

Solar Hot Water in Alaska (2011)

Submitted by Raquel Ponte Costa on April 7, 2015

This presentation was written by Harvey Bowers of the Alaska Center for Appropriate Technology (ACAT). It provides information on solar thermal water heating in cold climates and uses a case study and examples from installations in Alaska to demonstrate how solar thermal can be effective in similar settings.

Solar thermal heating, as demonstrated by the residence in question, works best in climates like Alaska’s when utilizing passive design and closed loop systems, as keeping solar fraction high is challenging during the winter.

Advancement of Solar Thermal Technologies (2010)

Submitted by Raquel Ponte Costa on April 6, 2015

This presentation was created by Jane H. Davidson of the Department of Mechanical Engineering at the University of Minnesota. It focuses on large scale power generation for possible industrial use of solar thermal.

According to the presentation, concentrated solar power in the Southwest United States could be the most low cost and effective form of large scale utility generation in the region. However, some technical barriers remain to the technology, including the storage issue and inefficient receivers.

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