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2025 Vol.13, Issue 4 Preview Page
Changes in Electrical Characteristics and Crop Yields of Agricultural Solar Systems Based on Module Installation Environment

모듈의 설치환경에 따른 영농형 태양광 시스템 전기적 특성 및 작물 생산량 변화

Seok Jin Jang1
,
Jinjoo Park2
,
Youngkuk Kim3*
,
Junsin Yi3*
장 석진1
,
박 진주2
,
김 영국3*
,
이 준신3*
1Department of Future Energy Engineering, Sungkyunkwan University, Suwon, 16419, Korea
2Department of Energy Convergence Engineering, Cheongju University, Cheongju, 27739, Korea
3College of Information and Communication Engineering, Sungkyunkwan University, Suwon, 16419 , Korea
1미래에너지공학과, 성균관대학교, 수원, 16419
2에너지융합공학과, 청주대학교, 청주, 27739
3정보통신대학, 성균관대학교, 수원, 16419
*Corresponding Author
31 December 2025. pp. 192-199
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Abstract

Agricultural solar systems are highly space efficient systems that enable simultaneous agricultural and power production on the same farmland. The amount of solar radiation reaching the ground surface and the degree of shading generated vary depending on the conditions of the installed modules, necessitating precise design. Using PVSYST simulation, we analyze the module’s power output, the solar radiation reaching the ground surface, and the PPFD and DLI while varying the module installation angle, azimuth angle, and the installation distance (pitch) between modules to predict the relative crop yield Results show that increasing tilt angle strongly improves ground PPFD/DLI by reducing ground shadow and enlarging sky and ground view factors. Higher tilted angle (60–90°) makes higher irradiance on the bottom ground and higher crop production. 30–45°. Wider pitch (≈6–10 m) further mitigates shading, lifting DLI to ≥20 mol/m2･day across the growing season. The recommended envelope for Korean agrivoltaics is high-tilt (≥60°) with ≥6 m pitch, balancing crop preservation and power output.

Keywords
Agrivoltaics
PAR
PPFD
DLI
Crop production
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Information
  • Publisher :Korea Photovoltaic Society
  • Publisher(Ko) :한국태양광발전학회
  • Journal Title :Current Photovoltaic Research
  • Volume : 13
  • No :4
  • Pages :192-199
  • Received Date : 2025-10-14
  • Revised Date : 2025-11-13
  • Accepted Date : 2025-11-25
  • DOI :https://doi.org/10.21218/CPR.2025.13.4.192
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