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PPRE alumni network supports Tsunami victims in Indonesia - Your good deeds are still being counted!

PPRE alumni network supports Tsunami victims in Indonesia - Your good deeds are still being counted!

PPRE alumni network supports Tsunami victims in Indonesia - Your good deeds are still being counted!

by Bagus Ramadhani, Indonesia (PPRE 2013-15)

Palu and Donggala in Central Sulawesi in Indonesia were severely hit by 7.4-magnitude earthquake and tsunami of up to six meters on September 2018. Approximately 1400 people are dead and thousands were lost. Communication network and power was cut and infrastructure was collapsed. Those who survive had no access to basic needs and were living in the dark without electricity after the disasters. Not only power outage, the quake-tsunami has also resulted a health crisis due to temporary living, difficulty of accessing drinkable water, and decomposing body.

Responding to this, as renewable energy enthusiast, PPRE alumni raised funds to help the victims to get the access to electricity and drinking water. We were working with trusted local people from Sulawesi who continuously informing us the situation in the location and possible dissemination of aids. In total of € 2115 was collected during one week fundraising from the alumni all over the world. The aids were provided in the form of 150 Pico PV systems and one unit 250 l/day water treatment systems including 16 units of 15-liters bottle.

Pico PV system helps the rescue team to work faster in searching those who are trapped in the rubble or simply lighten up lives of those who will never see their families again. The Pico PV system provided has 3 Wp module, 8 Wh lithium-ion battery, dimmable LED (highest 150 lumens for up to 6 hours), and has phone charging port for those who need to contact their family.

Not only limited access to electricity, people was also struggling to get access to drinkable water especially in the refugee camps. Since water is as important as light, PPRE also initiated to provide a water treatment system using reverse osmosis technology powered by photovoltaic system. The reverse osmosis (RO) system has production capacity of 250 liters per day in nine operation hours powered by 200 Wp PV module and 780 Wh battery. Actually, the RO system can produce 750 liters per day.

However, to avoid having very big PV module and battery, the PV system was designed based on day time operation (1/3 of nominal capacity or equal to 250 liters). The sizing of PV module to 200 Wp is to make sure that the 50 W RO system can operate in minimum 8 hours with relatively small battery to compensate the irradiance fluctuation and to make sure that the battery will have minimum state of charge of 80% at the end of the bad day.

Both Pico PV and water treatment systems were pre-installed and tested in Jakarta prior the shipment to avoid any technical problems that may occur in the field. Simple user manual was also provided to guide the users in using and maintaining the devices. The water treatment systems currently are still in operation and some people who live in the outskirts of the city are still use Pico PV systems for lighting. Since the installation in October 2018, it is estimated that at least 45 m of water has been consumed and 16 million lumen-hour has been provided. Some people are now having access to drinking water and kids can continue pursuing their dream. That is why we are here, helping each other.

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