- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2017-2018)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2016-2017)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2015-2016)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2014-2015)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2013-2014)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2012-2013)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2010-2011 and 2011-2012)
- Number of Bio Gas Plants in Hamirpur District of Himachal Pradesh (2009-2010)
- Number of Biogas Plants in Hamirpur District of Himachal Pradesh (2008-2009)