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Title: Observation-based estimates of land availability for wind power: a case study for Czechia

Journal Article · · Energy, Sustainability and Society (Online)
ORCiD logo [1];  [2];  [2]
  1. German Aerospace Center (DLR), Stuttgart (Germany). Inst. of Engineering Thermodynamics. Dept. of Energy Systems Analysis; Univ. of Natural Resources and Life Sciences, Vienna (Austria). Inst. for Sustainable Economic Development; DOE/OSTI
  2. Univ. of Natural Resources and Life Sciences, Vienna (Austria). Inst. for Sustainable Economic Development

Background: The availability of land for the installation of wind power turbines is restricted by numerous factors. Besides climatic conditions, the deployment of wind energy is limited by technical, social, economic, and environmental factors. Typically, assessments of land availability for wind power use legal and technical criteria to estimate the potential for wind power expansion. In contrast, we use observed characteristics of wind power generation sites existing in Austria and Denmark to estimate its potential expansion in Czechia. We combined data on wind turbine locations with data on land use, wind speeds, human impact on land, and nature conservation areas. Results: Our analysis shows that the density of wind power in Austria is variable, but higher on average (4.79 MW km-2 ) than in Denmark (1.76 MW km-2 ). Austrian wind turbines have been installed in areas where the human impact on land is mostly higher than the Austrian average, while in Denmark, no difference is observed. Regarding the land use composite, the share of agricultural land on sites with wind turbines is on average much higher (86%), while the share of forest is much lower (7%) in both countries. We identified a maximum potential area in Czechia of 543 km2 with Austrian and 421 km2 with Danish characteristics. When conservatively assuming observed historical power densities, this area translates to 2295 MW and 741 MW of installed wind power capacity, respectively. These results are a magnitude of order lower than the potentials found in existing studies. In a sensitivity analysis, we have examined that the availability of potential sites depends mainly on the population density, the human impact on land, prevailing wind speeds, and the height above sea level. Conclusions: We estimated available land area for potential wind turbine installations in Czechia using our newly developed methodology based on observed site characteristics of today’s wind power infrastructure in Austria and Denmark. Available land area indicated possible overestimation of wind power capacities proposed in the recent studies on the renewable energy transition. Hence, more rigorous consideration of land availability is required for assessments of potential wind power expansion.

Research Organization:
Univ. of Natural Resources and Life Sciences, Vienna (Austria)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
FG02-04ER63917
OSTI ID:
1627039
Journal Information:
Energy, Sustainability and Society (Online), Journal Name: Energy, Sustainability and Society (Online) Journal Issue: 1 Vol. 9; ISSN 2192-0567
Publisher:
BioMed CentralCopyright Statement
Country of Publication:
United States
Language:
English

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