Research Paper (undergraduate) from the year 2011 in the subject Biology - Micro- and Molecular Biology grade: A Indian Institute of Science course: Research Project - Microbe Fuel Cells language: English abstract: Biogeochemical cycling through microbial succession in Winogradsky columns generates electricity. Here we use all electricals tools possible to harness this electricity and power Light Emitting Diodes for a year or more. The setup biochemical mechanisms are analysed.