Prof. Dimas Mozart e Silva School

The Prof. Dimas Mozart e Silva School is a public, secondary education institution. The school is located in Taquarituba, Brazil, a small city with 20,000 inhabitants employed primarily in the agricultural and ceramics industries. The school proposes the implementation of a comprehensive sustainability program. This program includes the installation of a 17.8kW rooftop solar photovoltaic system, rainwater harvesting, waste recycling through composters, expanding an organic garden, replacing conventional lighting by LEDs, installing lighting sensors, using economic toilet flushing and constructing a 55 square-meter “sustainability” room with a green roof.

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The total cost of the project would be $87,265, which would be fully covered by the Prize allowance. Most of the cost estimates are taken from professional quotes that have been attached to the school’s application. The PV + inverter system price is based on a professional cost estimate from Engie Brazil. The quote from Engie Brazil lies at the higher end of BNEF PV cost estimates. The solar system would qualify for the net-metering scheme in Brazil.

The project includes the installation of a composter for $761. The school and community would provide the organic waste needed as fuel in order to produce bio-fertilizer from the composter. This fertilizer would be used to grow organic food at the school. The project includes the expansion of the existing organic garden. The school targets to double its current food production.

The school intends to harvest rainwater by taking advantage of the large regional rainfall in the summer and to store it in two 600-liter cisterns ($6,281). A water pump coupled with the PV panels and the electricity grid would enable irrigation of the organic garden through an underground drip irrigation system (pump $581 + drip water system $391).

The project also includes the deployment of 190 tubular LED Bulbs ($1,256) and 5 presence sensors for indoor lighting ($50), 4 solar lamp poles and 26 small solar garden lamps outside ($2,546). In the bathrooms, the school wants to install 16 economic toilet flushing systems and 16 water tap sensors ($2,916). At the canteen the school would use an energy-efficient hot food table to reduce the energy used to keep the food hot for student self-service ($1,090).

The last piece of the project is the construction of the “sustainability room”, a 55 square-meter space with a green roof, where sustainability workshops, biology and sciences classes would be held. There would also be tutoring events for the kids from the nearby elementary school.

The beneficiaries of the project would be a) the school that will ultimately generate revenues from the PV panels and become more sustainable, b) students who would manage and learn from the project, and c) the local community that would benefit from the organic garden and sustainability room open to parents and elementary school kids for workshops.

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