This report highlights two underutilized but fully implementable technologies that efficiently integrate heat and electricity systems, provide flexibility and enhance energy security. It examines what restricts co‑generation and efficient district heating and cooling systems that can help de-carbonize the energy system.
Wind water pumping
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With the tremendous solar potential in Kenya and the maturity of PV and electric pump technology, the agricultural sector, including smallholder-level farms, is an ideal candidate for rapid growth, improving crop yields, productivity and farmer income while avoiding massive amounts of GHG Emissions.
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Agriculture is the lifeblood of Kenya’s economy. To reduce poverty in the country, Kenya must improve its agricultural production, generate employment and prosperity, and feed a growing population. Irrigation is a key element of agrifood development, but current diesel-powered irrigation pumps are highly polluting and carbon intensive.
Futurepump, has developed a new model to enable smallholder farmers in Kenya to adopt sustainable irrigation solutions with a proprietary solar powered irrigation pump, combined with a finance programme that allows for flexible payments.
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Water services in Kenya are often inadequate, unsafe and unsustainable. The arid and semi-arid and poor peri-urban areas are mostly vulnerable and are largely characterized by low water services provision and severe water scarcity, where the demand substantially surpasses its availability.
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The pre-feasibility study considers identifying the contextual features that allow use or limit the viability of selected technologies in areas (counties) with less developed infrastructure within the wider view of sustainable water supply.
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According to this paper, an alternative to standardised imported hand pumps is the locally manufactured rope pump, which is considerably cheaper and easier to maintain but has been rejected in the past because of fears of impaired water quality. This paper presents the key aspects of a study in northern Ghana that compared the performance of rope pumps with that of conventional hand pumps, to determine whether the rope pump provides a viable alternative for community water supplies across the subcontinent.
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Treadle pump (TP) technology has been promoted by Enterprise Works Worldwide (EWW) in West Africa as an alternative to the traditional rope and bucket irrigation that is necessary to overcome the challenge of uncertain and inadequate rainfall for agricultural production. The aim is to improve output, increase income and reduce poverty among rural farm households. This study examines the strategies used for dissemination of the TP and the dynamics of its adoption and impacts, with a special focus on poverty reduction.
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This paper deals with a series of tests conducted on a PV-DC pump. The tests involved measurements of solar radiation, on both a horizontal surface and the tilted module surface, flow rates, volumes, and total dynamic heads. In total, up to 3000 data were collected every day whose analysis allowed the authors to find empirical relationships between system efficiencies, solar radiations and total dynamic heads.
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The study was carried out with the objectives evaluating the technical performance of the pumps used in smallholder irrigated agriculture, studying the energy uses during pumping and identifying the possible causes of inefficient energy use, and evaluating the costs of pumping used during irrigation. A study to identify the occurrence of pumped irrigation systems in Thika and Yatta District, Kenya was done.