Gallery: Rwanda’s Poo-Powered Prisons Are 75% Fueled by Burning Inmates...

It makes sense. Nsinda is just one of the prisons in which 8,000 inmates fuel the facility with sewage taken from the 24 available toilets. This is then combined with cow dung to create a premium power supply. What gas is produced is stored in digesters which each hold 100 cubic meters of biogas and are maintained by the inmates.

Rwanda’s jails are reducing their energy bills this year by turning inmates’ waste into energy. That’s right, poo power is back, and now 75 percent of the prisons’ energy is fueled by a mixture of human and animal sewage in an effort to make the country’s 14 prisons more sustainable. Biogas burners have been installed, and they are run by the facilities’ constant source of waste matter.

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