| Country | Msibi and Kornelius [23, 24, 26, 28] and Surendra et al. [65] | IRENA [99] | Clemens et al. [17] | SNV [100] | Year of initiation | Cumulative no. of domestic biogas plants installed up to 2012 | Year of initiation | Household-scale biogas digester units in selected countries, 2014 | Year of initiation | Cumulative no. of biogas plants reached up to 2017 | Cumulative no. of biogas digesters installed up to 2021 |
| Kenya | 2009 | 6,749 | ā | 14,110 | 2009 | 13,260 | 26,768 | Uganda | 2009 | 3,083 | | 5,700 | 2009 | 7,588 | 9,019 | Tanzania | 2008 | 4,980 | | 11,100 | 2009 | 6,441 | | Ethiopia | 2008 | 5,011 | | 10,680 | | | 34,693 | Burkina Faso | 2009 | 2,013 | | 5,460 | | | 15,019 | Rwanda | 2007 | 2,619 | | 1,700 | | | 11,625 | Cameroon | 2009 | 159 | | 300 | | | | Benin | 2010 | 42 | | 110 | | | 249 | Senegal | 2010 | 334 | | ā | | | | Zambia | | | | | | | 5671 |
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