Eden Full, Roseicollis Technologies
The SunSaluter is a solar panel rotator that couples energy collection from the sun with water purification. This system utilizes gravity to rotate the solar panels throughout the day, improving energy efficiency by 30% without complicated mechanics. Water from the WaterClock slowly drips through a filter, landing in a clean collection bottle, rotating the solar panel ever so slightly. It should be noted that the SunSaluter is a wooden rotator; the solar panels, battery, and other components need to be purchased separately. The filter being used is expected to be adapted soon, and therefore has not been specified in this product report.
Kenya, Uganda, Ghana, Tanzania, Malawi*, Morocco, Egypt, Mexico, Indonesia, The Philippines, India*, Haiti, the United States, Canada, Australia, and the Netherlands. (Malawi and India are the countries with permanent teams)
RECAPO CBO (Malawi) and DISIME (Mexico). Interview with representative
Price depends on specific product and location. Price ranges from $15 USD for a 40-150W SunSaluter system to approximately $250 for a kilowatt scale model. Interview with representative
More high-tech solar-tracking devices are available from companies such as LINAK and DuraTrak.
Households in rural areas, off the electrical grid, who lack access to a safe water drinking source.
Mass produced; Custom ordering is available. Interview with representative
The SunSaluter is most often sold to non-profits and NGOs, who source the solar panels and batteries on their own and install the final product for their beneficiaries. SunSaluters are purchased directly from The SunSaluter team in either the U.S. or India, or from their partners in Malawi and Mexico. Online purchase inquiries can be also made by filling out this form. Interview with representative
155 SunSaluters in 19 countries (as of Jun 30, 2016)
The SunSaluter uses a waterclock-inspired technology to track the movement of the sun, allowing up to 30% more solar energy creation. As water leaves the plastic bottles throughout the day, the solar panels gradually rotate, imitating the pattern of the sun’s rotation. As water drops out of the bottles, it falls into a water filter. The exact water filter used depends on a variety of factors for a particular solar setup and is a topic still under research and consideration by the SunSaluter team.
The frame can be made of bamboo, metal, or some other locally available material.
Time Lapse Video: SunSaluter at Bangalore HQ
Training, technical support, and education of purchaser (likely an NGO) is provided by SunSaluter. The distributing NGO is then responsible for training users and repairing the SunSaluter for their end-users/beneficiaries. Interview with representative
Replacement pieces can be ordered separately. Interview with representative
Warranty on the final product is the responsibility of implementing organizations. (NGOs and nonprofits) Interview with representative
Sunsaluter boosts energy output by 30%, less solar panels are needed because of improved efficiency and overall cost per watt of energy is reduced.
More than 30 organizations throughout the developing world, primarily off-grid solar organizations in India and East Africa. Interview with representative
A proper filter must be used with the SunSaluter to have any effect. Use of a poor filter will not properly treat the water and will most likely lead to health issues.
Using the SunSaluter requires a solar panel, and is improved with use of a good battery and an effective water filter. Interview with representative
Not Available at this time. No known applicable standards have been cited by the manufacturer.
SunSaluter has received awards from the Westly Prize, Mashable-UN Foundation Startups for Social Good Challenge, Project Inspire by Singapore Committee of UN Women (Finalist), OpenIDEO Renewable Energy Challenge, MIT Climate CoLab Grand Prize, Postcode Lottery Green Challenge (2nd), Staples-Ashoka Youth Social Entrepreneurship Challenge (grand prize), Rolex Awards for Enterprise (Finalist), The Tech Awards and the William James Foundation 2014 sustainable business plan competition (Finalist).SunSaluter is featured in Forbes, New York Times, NPR, Business Insider, Mashable, Entrepreneur, TreeHugger, Greenpeace, NextBillion.
Informational video about the SunSaluter.
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