Biomass Energy in South Africa

English: Map of South Africa, with provinces, ...

South Africa has tremendous biofuel potential when considering the capacity to grow total plant biomass (all lignocellulosic plant biomass. According to conservative estimates, South Africa produces about 18 million tonnes of agricultural and forestry residues every year. The South African biofuels target for 2008‐2013, according to Industrial Biofuels Strategy (2007), has been fixed at 2% penetration level in the national liquid fuel supply, which corresponds to 400 million litres per annum. When considering the use of 50‐70% of this plant biomass with second generation biochemical and thermochemical technologies, South Africa has the potential to substitute the bulk of its current liquid fossil fuel usage (currently 21.2 BL/annum) with renewable biofuels. However, the only real activity has been US$437 million investment by the South Africa’s Industrial Development Corporation (IDC) and Energy Development Corporation (EDC) in two biofuels projects that will collectively produce 190 million litres of bioethanol from sugarcane and sugarbeet.

Another important biomass energy sector is biogas-from-waste which can potentially generate more than 200 MW of electricity countrywide. There are several big projects in construction and operational phases in different parts of the country. CAE Energy in partnership with Humphries Boerdery, has developed 1.2MW biogas power project near Bela-Bela, Limpopo province, with the plant having produced 10 MWh of electricity since August 2009.

Independent power producer Lesedi Biogas Project is planning to build one of the world’s largest open-air feedlot manure-to-power plants, in Heidelberg, near Johannesburg with capital cost of US$ 15 million. The plant will be situated at the Karan Beef feedlot, which will supply 110,000 tons of manure annually to facilitate the generation of 3.8MW power, in addition to production of organic fertilizer and generation of carbon credits.

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