Experts urged to ratify Minamata Convention to phase out mercury-added products পারদযুক্ত পণ্যের ব্যবহার বন্ধে মিনামাতা কনভেনশন অনুমোদনের আহ্বান সেন্টমার্টিন সৈকতে প্লাস্টিকের আগ্রাসন 72 birds die eating pesticide-treated masakalai Educate girls to save the planet শিশুর সর্দি-কাশি সারানোর ঘরোয়া উপায় 50 Books All Kids Should Read Before They’re 12 24 thousand under 5 children die of pneumonia in Bangladesh annually গ্রিনহাউস গ্যাস কমানোর লক্ষ্যে নানা উদ্যোগ Maldives: Eco-friendly product export destination for Bangladesh

Creating solar villages in Bangladesh. It can once more set the international standard for smart rural grids.

For nearly 50 million people in rural Bangladesh, access to modern electricity and lighting remains a distant dream. That’s about a third of the country’s entire population, not including yet another large part of the population still suffering from frequent load shedding and power outages. Unfortunately, the dream of many of finally getting connected to the electric grid has little to do with receiving a good service. In the last few years, the world-renowned Infrastructure Development Company Ltd (IDCOL) has brought solar home systems to more than 20 million Bangladeshis. These consist of small solar panels that are easy to install in rural households, providing enough electricity to charge a phone, run a fan, turn on a light or a TV for the evening hours. Often, in fact, these solar panels perform better than the country’s electric grid, despite their shortcomings. Now a Dhaka-based Bangla-German company, ME SOLshare, has developed a new technology with the potential to unlock energy access for millions still in the dark. Built on the past success of the solar home systems, this technology will improve the services for those with meager electricity supply — basically, through a peer-to-peer solar village nanogrid. This new system allows households with or without solar panels to trade electricity with each other over safe, low-voltage nanogrids. These grids work the same way the electric grid functions: The main difference being that no centralised big power station is necessary to transmit power over hundreds of kilometres. Instead, the grid is built from the bottom-up in each village by connecting existing solar home systems of which there are more than four million throughout the country. The system works like a swarm of bees in that it is self-organised. This means that energy sharing across the nanogrid is not controlled from above. Rather, the energy sharing occurs through individual users deciding when they want to trade surplus solar energy and when they want to keep it. When a user’s solar panel is not working, through this system they can still access energy from other users. Like a swarm of bees, the system is resilient against external shocks. The nanogrid also results in more power for everyone, enabling higher electricity activities, such as grinding, milling, irrigation, or cooling. The trading of electricity is facilitated by SOLshare’s proprietary smart electricity metre. The German Ambassador to Bangladesh, Dr Thomas Prinz, when asked about the project, explained it this way: “This ambitious project demonstrates how innovative German companies can support the development of Bangladesh. By giving more people access to electricity this project addresses a basic demand of the rural population in Bangladesh. The more households join the grid, the better the allocation of electricity and the more reliable.” The SOLshare approach is attractive to Bangladesh because it serves dense populations in remote village clusters while providing a high degree of energy security. The solar village grids reduce greenhouse gas emissions from existing infrastructure. Additionally, the nanogrids encourage demand-led private-sector investment in solar-photovoltaic generation, supporting other climate change mitigation activities. Each SOLshare nanogrid can stand on its own but will also be able to be integrated to the main grid when so desired.

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Posted by on Aug 16 2016. Filed under Bangladesh Exclusive. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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