斯威士兰的能源:在个人和国家层面提高自力更生的选择

Anne E. Wheldon
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引用次数: 4

摘要

斯威士兰有许多能源资源,包括生物质能、煤炭、水电和太阳能。这些资源,特别是生物量,提供了能源消费的主要部分,但所有石油产品和大多数煤和电力都是从南非或经由南非进口的。斯威士兰可以增加自力更生,但要付出财政代价,办法是用当地的煤炭代替进口煤炭,并利用生物质能、煤炭或水力发电。用于20%汽油混合的乙醇将很快从糖蜜中生产出来。该国砍伐森林的情况很明显,这表明薪材的需求超过了可开采土地的可持续供应:这是国家和个人自力更生的一个问题。可以通过更有效地利用木材来匹配供需;增加供给;以及替代其他能源。炉具和造林方案只有满足个人消费者的需要,并需要进行适当的市场研究和销售,才能取得成功。燃料替代的前景有限,但水电和光电系统可能有助于农村发展。
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Energy in Swaziland: Options for increased self-reliance at individual and national level

Swaziland has many energy resources including biomass, coal, hydro and solar. These resources, in particular biomass, supply a major proportion of energy consumption, but all petroleum products and most coal and electricity are imported from or via South Africa. Swaziland could increase self-reliance, at a financial cost, by substituting local coal for imports, and by generating more electric power from biomass, coal or hydro sources. Ethanol for 20% petrol blending should soon be produced from molasses. Deforestation is evident in the country and suggests that fuelwood demand exceeds the sustainable supply from accessible land: this is an issue in both national and individual self-reliance. Supply and demand could be matched by using wood more efficiently; increasing the supply; and substituting other energy sources. Stoves and afforestation programmes can succeed only if they meet the perceived needs of individual consumers, and require proper market research and marketing. Fuel substitution shows limited promise, but hydro- and photovoltaic systems might assist rural development.

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