Enerthynk’s Electrification Plan for Rwanda




Start-up venture capital think tank Enerthynk is making an effort to set up an electrification project in Rwanda, starting with the Mabawa community. The company is proposing a solution that will help create infrastructure and generate revenue using a dish/engine system that converts thermal to solar to mechanical to produce electricity.

 

The company said, “This process is used in the same way that conventional power plants convert thermal energy from combustion of a fossil fuel to electricity.” According to Enerthynk’s calculations, the energy supply would surpass the essential demand for energy and reach off-grid users.

 

The collector rotates at a constant rate of 15º/hr to match the rotational speed of the earth. The other axis of rotation, the declination axis, is perpendicular to the polar axis. Movement about this axis occurs slowly and varies by +/-23dish½º over a year. Most of the smaller engine systems have used this method of tracking.

 

The two cylinder Stirling Engine was often billed as a safe alternative to steam, since there’s no risk of a boiler explosion. “It was eclipsed by the advent of inexpensive electric motors. However, because it can run on any source of heat, it now holds promise for alternative fuel engines, solar power, geothermal power, etc.,” according to Enerthynk.

 

By raising the temperature of gas in a fixed volume of space the pressure will increase as the compression will decrease the volume of its space. The company reported that experimental models of the Stirling dish technology have undergone more than 26,000 hours of successful solar operation.

 

The cost for each prototype unit is about $150,000 – which may not seem economically feasible for developing countries like Rwanda, which is why further investment is required. The company is currently seeking refrigeration, ovens, waste decomposer, water purification, solar vaccine refrigeration, etc. The company said, “Most of these products exists using photovoltaic or solar panels to power, but the most important this is to create a mini grid to ensure the success in operation of the refrigeration systems and basic lighting in a worry-free manner.”

 

For more information on the project or how to get involved, please contact Matt Massey at mm@mattmassey.com.

 

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