DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Rethinking agrivoltaic incentive programs: A science-based approach to encourage practical design solutions

Journal Article · · Applied Energy

Agrivoltaic systems are promising solutions to address global food and energy challenges by combining agriculture and solar photovoltaics. However, the lack of appropriate regulations to define and guide their implementation constrains the growth of agrivoltaic systems in the U.S. This study uses a shading and radiation tool to evaluate an existing agrivoltaic incentive program that defines agrivoltaic designs based on shading reduction limits and panel height requirements. Our analysis indicates that structuring policy requirements around shading, and not light availability, may lead to an underestimation of crop suitability by neglecting diffuse radiation. Furthermore, we show that agrivoltaic systems can avoid increasing panel height if policy acknowledges use-case scenarios where farming only occurs between rows. In light of these insights, this study proposes two key policy recommendations: (1) benchmark crop suitability based on daily light integral (DLI) requirements for a shade-intolerant crop selected to represent a prevalent crop in the region, and (2) include an incentive scenario where agriculture is only required between rows. Furthermore, these two recommendations can potentially incentivize designs that are practical and closer in cost to conventional solar farms, thereby accelerating the adoption of cost-effective agrivoltaic systems.

Research Organization:
Cornell University, Ithaca, NY (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0010384
OSTI ID:
2530528
Journal Information:
Applied Energy, Journal Name: Applied Energy Vol. 377; ISSN 0306-2619
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (30)

Estimation of the diffuse radiation fraction for hourly, daily and monthly-average global radiation journal January 1982
Environmental impacts from the solar energy technologies journal February 2005
Microclimate under agrivoltaic systems: Is crop growth rate affected in the partial shade of solar panels? journal August 2013
Increasing the total productivity of a land by combining mobile photovoltaic panels and food crops journal November 2017
Integrating social considerations in multicriteria decision analysis for utility-scale solar photovoltaic siting journal April 2021
Integration of bifacial photovoltaics in agrivoltaic systems: A synergistic design approach journal March 2022
Direct and diffuse shading factors modelling for the most representative agrivoltaic system layouts journal June 2023
From niche-innovation to mainstream markets: Drivers and challenges of industry adoption of agrivoltaics in the U.S. journal October 2023
Are big and small solar separate things?: The importance of scale in public support for solar energy development in upstate New York journal April 2022
Optimisation of vertically mounted agrivoltaic systems journal November 2021
Strategic land use analysis for solar energy development in New York State journal August 2021
The National Solar Radiation Data Base (NSRDB) journal June 2018
Combining food and energy production: Design of an agrivoltaic system applied in arable and vegetable farming in Germany journal April 2021
Promotion of lettuce growth under an increasing daily light integral depends on the combination of the photosynthetic photon flux density and photoperiod journal October 2020
The effect of photovoltaic panels on the microclimate and on the tomato production under photovoltaic canarian greenhouses journal October 2018
Water evaporation reduction by the agrivoltaic systems development journal November 2022
Optimization and control of the light environment for greenhouse crop production journal June 2019
Partial shading by solar panels delays bloom, increases floral abundance during the late-season for pollinators in a dryland, agrivoltaic ecosystem journal April 2021
Techno–ecological synergies of solar energy for global sustainability journal July 2019
Agrivoltaics provide mutual benefits across the food–energy–water nexus in drylands journal September 2019
Sustainable co-production of food and solar power to relax land-use constraints journal October 2019
Using a 3-D Virtual Sunflower to Simulate Light Capture at Organ, Plant and Plot Levels: Contribution of Organ Interception, Impact of Heliotropism and Analysis of Genotypic Differences journal August 2007
Crop-Specific Optimization of Bifacial PV Arrays for Agrivoltaic Food-Energy Production: The Light-Productivity-Factor Approach journal March 2022
Introduction to the open source PV LIB for python Photovoltaic system modelling package conference June 2014
Comparative ecophysiology of leaf and canopy photosynthesis journal October 1995
Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems journal July 2021
pvlib python: a python package for modeling solar energy systems journal September 2018
bifacial_radiance: a python package for modeling bifacial solar photovoltaic systems journal June 2020
Longer Photoperiods with the Same Daily Light Integral Increase Daily Electron Transport through Photosystem II in Lettuce journal September 2020
Computer Simulation of Lower Farmland by the Composition of an Agrophotovoltaic System journal January 2020