2. Research problem
The use of biogas technology has been adopted by
Thai farmers since the early 1970’s. The major reasons
for biogas adoption were, first, a response to a
government policy of making Thailand self-sufficient
in energy and, second, an attempt to find an effective
solution to environmental problems caused by largescale
livestock production. The main target groups
were medium and large-scale pig farms. The Thai
government set up the National Energy Policy Office
(NEPO) on October 16, 1986 to promote renewable
energy production in the country. NEPO spent 5,100
million baht1 during the period 1990-2000 on a
special programme to subsidize Thai pig farmers
(NEPO, 2004), but the programme had only limited
success because of the problems listed below:
♦ High investment cost to the farmers (even though
NEPO was willing to subsidize up to 38 percent
of the cost for medium-sized farms and 18 percent
for large-sized farms).
♦ Ineffective use of the biogas produced and no
incentive to invest the capital necessary to turn the
surplus biogas into energy such as electricity.
2. Research problem
The use of biogas technology has been adopted by
Thai farmers since the early 1970’s. The major reasons
for biogas adoption were, first, a response to a
government policy of making Thailand self-sufficient
in energy and, second, an attempt to find an effective
solution to environmental problems caused by largescale
livestock production. The main target groups
were medium and large-scale pig farms. The Thai
government set up the National Energy Policy Office
(NEPO) on October 16, 1986 to promote renewable
energy production in the country. NEPO spent 5,100
million baht1 during the period 1990-2000 on a
special programme to subsidize Thai pig farmers
(NEPO, 2004), but the programme had only limited
success because of the problems listed below:
♦ High investment cost to the farmers (even though
NEPO was willing to subsidize up to 38 percent
of the cost for medium-sized farms and 18 percent
for large-sized farms).
♦ Ineffective use of the biogas produced and no
incentive to invest the capital necessary to turn the
surplus biogas into energy such as electricity.
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