Every biodigester project, big or small, is a climate change mitigation programme, according to an expert installing biodigesters in Samoa.
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“This is in line with United Nations Year of Sustainable Energy For All and Samoa’s statement to use a high degree of renewable energy.”
Biodigesters converts soft waste such as manure, food scraps and soft plant material into biogas that is turned into electricity. As a by-product, the biodigesters also produce a fertilizer liquid.
Murray, with fellow team members Rob Willis and Vui Sebastian Mariner, have been working on installing biodigester at a number of locations including at the Tuanaimato centre for the Third International Conference on Small Island Developing States (SIDS), Samoa
Tourism Authority village, Women in Business Development processing site at Nu’u and a large 40-Watt power station at Piu village.
The overall purpose of the SIDS biodigester is to provide a showcase how biodigesters can be applied in Samoa and therefore in other small island developing states.
The biodigesters use cow manure in the start to build up a bacteria colony that will process the waste and turn it into biogas. They then will generate electricity to power electric golf carts that will be used at the conference.
Set up at the conference are two temporary buildings. One houses the biodigesters and the other is a demonstration site with information panels, a video and household appliances such as a TV, rice cooker, phone charger and radio that will be powered by the biodigester electricity.
The biodigester at Piu village will provide enough electricity for the small village with the surplus being sold to Samoa’s Electric Power Corporation. That biodigester has the added environmental bonus of using an invasive vine called merremia as its fuel source.
Ward is also installing a small biodigester this week at Women in Business Development. That biodigester will power lights and small appliances with a larger biogester planned later that will generate enough electricity for the organisation’s dehydrated banana project.
The funding for the energy projects has come from a number of funders including the United Nations Development Project, S.I.D.S. DOCK, the Pacific Islands Greenhouse Gas Abatement through Renewable Energy Project, and the British
High Commission.
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