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Suitable and optimal locations for implementing photovoltaic water pumping systems for grassland irrigation in China
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-1351-9245
Int Inst Appl Syst Anal, Laxenburg, Austria..
Korea Univ, South Korea..
KTH Royal Inst Technol, Stockholm, Sweden..
Vise andre og tillknytning
2017 (engelsk)Inngår i: APPLIED ENERGY, ISSN 0306-2619, Vol. 185, s. 1879-1889Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Grassland plays a key role for the food security of China because of the large number of livestock raised in those areas. Thus, grassland degradation due to climate change and overgrazing is considered as one of the most severe environmental and economic threat for the future sustainable development of China. Photovoltaic water pumping systems for irrigation can play a fundamental role for the conservation of grassland areas. This paper investigates the geospatial distribution of the technically suitable grassland locations for the implementation of photovoltaic water pumping systems. The technically suitable grassland areas were taken as starting point to assess the optimal locations. The assessment of the optimal locations was conducted using a spatially explicit optimization model of renewable energy systems based on the cost minimization of the whole forage supply chain. The results indicate that the photovoltaic water pumping systems provide high potential for improving forage productivity, contributing to meet the local demand. The optimal areas are highly sensitive to several environmental and economic parameters such as increased forage potential yield, forage management costs, forage water requirements, ground water depth, forage price and CO2 price. Most of the optimal areas are selected when the market forage price ranges from 300 to 500 $/tonne DM, indicating that the forage produced using PVWP technology for irrigation is already competitive compared to the imported forage.

sted, utgiver, år, opplag, sider
2017. Vol. 185, s. 1879-1889
Emneord [en]
Photovoltaic water pumping, Grassland, Irrigation, Optimization, Spatial analysis
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-34662DOI: 10.1016/j.apenergy.2016.01.004ISI: 000390494800089Scopus ID: 2-s2.0-84954286720OAI: oai:DiVA.org:mdh-34662DiVA, id: diva2:1066897
Konferanse
7th International Conference on Applied Energy (ICAE), MAR 28-31, 2015, Abu Dhabi, U ARAB EMIRATES
Tilgjengelig fra: 2017-01-19 Laget: 2017-01-19 Sist oppdatert: 2017-01-19bibliografisk kontrollert

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