Dual-fuelled generation of
electricity and
water-supply in villages:
IEI's Rural
Electricity and Water-supply Utility (REWSU) project had
envisaged the establishment of nine village-based utilities,
operating dual-fuelled (diesel-biogas) electricity generators.
Biogas was to be generated from cattle-dung purchased from
cattle-owners and used to generate electricity for lighting and
for pumping water to the homes. An assessment was later made of
the status of the REWSUs originally invested in and causes for
their discontinuation. It also provides more rigorous analyses
of one of the plants that continued to operate. Apart from
performance indicators, the report includes a section on the
lessons learnt from the REWSU project, deriving the necessary
conditions for the successful functioning of such village
utilities [click
here].
Energy
enterprises for development in rural areas - the case of clean
cooking fuel:
The objective of
this project was to demonstrate a rural enterprise that delivers
clean stove-fuel to every home, while sustaining this delivery
through integration with income/employment generation. An
energy-development project was developed in a village in
south-east Karnataka. A dairy was established in the village;
this consisted of the construction of cattle-sheds and related
(e.g. water-supply) facilities, as well as the purchase of cows
and training of staff for cattle-caring activities. Eight
biogas-digesters (of 8m3 to 10m3 each)
were constructed adjacent to clusters of homes. Cattle dung
from the dairy is fed to these digesters. Pipelines have been
drawn from the digesters to the surrounding homes, so that
biogas can be easily supplied for stove-fuelling. This has
replaced the burning of solid waste in the homes of the village,
thereby reducing smoke and soot indoors as well as carbon
emissions. Sales of milk and manure help to support the
operation financially. The proposed scheme is rare because it
includes all the families; it is also economically,
environmentally and technically sustainable. The project was
selected for funding by the Wuppertal Institute for Climate,
Environment and Energy through the 3rd round of their
Sustainable Energy Project Support (SEPS) programme [click
here].
Powering a
village sustainably – generating electricity from waste-based
biogas:
A large proportion
of homes in Indian villages do not have connections to
electricity. Even when connected to the grid, frequent supply
shut-downs force the use of poor lamp-lighting. Infrastructure
for electricity generation and distribution are currently
inadequate to meet the requirements of the large population.
Further, electricity generation has thus far been through
conventional methods, often with adverse environmental impacts.
This project demonstrates a way of locally addressing these
problems: it provides sustainable access to electricity through
a village-based enterprise that generates electricity from local
renewable resources. A dairy has been established from which
cattle-dung is regularly deposited in a 40m3 digester
for the generation of biogas through anaerobic digestion. A 20
kVA engine-generator running 100% on biogas has been housed
adjacent to the biogas plant. At present, electricity is
supplied daily to the village, for a few hours at times when
supply from the state-run regional distributing utility (BESCOM)
is not available. Efficient lighting through the use of
CFLs has also been introduced
[click
here].
The project was selected for funding by
the Wuppertal Institute for Climate, Environment and Energy
through the 6th round of their Sustainable Energy
Project Support (SEPS) programme.
Value-addition
to food-crop processing – converting banana plant waste to
cooking fuel:
This project,
currently in progress, aims to implement improvements along the
food-growing and preparation chain. Banana cultivation is
being supported to assist small farmers. Digesters have
been constructed for anaerobic digestion of the banana plant
waste that would otherwise have been discarded. The biogas
so generated will be supplied as cooking fuel to surrounding
homes [click
here].
The project has
been selected for funding by the Wuppertal Institute for
Climate, Environment and Energy through the 7th round
of their Sustainable Energy Project Support (SEPS) programme.