Estimating the economics and adoption potential of agrivoltaics in Germany using a farm-level bottom-up approach

Arndt Feuerbacher, Tristan Herrmann, Sebastian Neuenfeldt, Moritz Laub and Alexander Gocht

Renewable and Sustainable Energy Reviews, 2022, vol. 168, issue C

Abstract: This article presents the first bottom-up assessment of the economics and adoption potential of agrivoltaics (AV) using national farm accountancy data in Germany. A recently developed framework for the economic assessment of dual land-use systems is applied to estimate a national AV electricity supply curve. The estimation accounts for economies-of-scale, regional variation in solar radiation, and farm-specific agronomic effects. The results demonstrate that solar radiation and investment costs are key determinants. Agronomic costs from crop shading and land losses have a small impact, but differences between farm-type and regions can be observed. Accounting for economies-of-scale favors farms endowed with large arable land area, which are predominantly specialist field crop and other livestock farm types found in Eastern Germany. In absence of economies-of-scale, early adopters are largely specialist milk or other livestock farm types located in Southern Germany. In presence of economies-of-scale and at an electricity price of 8.3 EUR-cents kWh−1, the 10% most cost-efficient farms could meet 8.8% of Germany's total electricity demand on about 1% of arable land. The results show that substantial policy-support is required to make AV competitive with ground-mounted photovoltaics, particularly if economies-of-scale cannot be realized. Adequate policy designs are needed to safeguard AV's land-efficiency advantage, as most farmers would be incentivized to abandon farming beneath the AV system.

Keywords: Agrivoltaics; Technology adoption; Economic potential; Renewable energy; Economies-of-scale; Land-use; Energy policy (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (7)

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DOI: 10.1016/j.rser.2022.112784

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