Techno-economic evaluation of different agri-voltaic designs for the
hot arid ecosystem India
Surendra Poonia
*
, N.K. Jat , Priyabrata Santra , A.K. Singh , Dilip Jain , H.M. Meena
ICAR-Central Arid Zone Research Institute, Jodhpur, 342 003, Rajasthan, India
article info
Article history:
Received 19 July 2021
Received in revised form
12 October 2021
Accepted 20 November 2021
Available online 29 November 2021
Keywords:
Agri-voltaic system
Levelized cost of electricity
Dual-land use
Sensitivity analysis
Photo-voltaic ground mounted
abstract
The rising trend of solar PV generation from ground based installations has led to competition for land
between agriculture and PV generation. The solution to this challenge lies in the agri-voltaic system
(AVS). The AVS systems allows agricultural activities on land while provides opportunity for PV gener-
ation and thus returns additional income from land. Therefore, the Governments of many countries e.g.
Japan, France, USA, South Korea, and China have already introduced policies for installation of AVS on
agricultural land. Following this trend, policy to install AVS in farmers field has also been launched in
India under the national level scheme called KUSUM (Kisan Urja Suraksha evam Utthan Mahaabhiyan)
targeting for energy security and upliftment campaign for farmers. Under the scheme, subsidy is gur-
ranted for installation of PV power plants in farmers field with a capacity between 0.5 and 2 MW
p
and
on-grid net metering connection of the PV power plant. After announcement of the scheme, there has
been increasing interests for installation of AVS by farmers, however, limited knowledge on techno-
economic performance of the system, field scale installations of it has been hindered. In the present
study, techno-economic analysis of different designs of AVS systems (105 kW
p
) established at ICAR-
Central Arid Zone Research Institute has been evaluated with several combinations of rainfed and irri-
gated crops. Field performance of the AVS system of 105 kW
p
has been used to extrapolate cost and
returns for 520 kW
p
system, which lies in the range of KUSUM target. Five AVS designs were considered
in the study: extrapolated into 520 kWp AVS and compared theoretically with the price and returns of a
photo-voltaic ground-mounted (PV-GM) plant the same capacity. Among five designs of PV arrays in the
AVS, the one-row full density photovoltaic array with irrigated brinjal recorded the highest combined net
returns of PV þ crop components followed by rainfed snap melon. Based on the highest returns per
hectare basis, the economic analysis of AVS design for rainfed and irrigated crops is compared to PV-GM.
The higher values of life cycle benefit (LCB) could lead to higher net present worth (NPW) of AVS over PV-
GM. The higher values of internal rate of return (IRR) in AVS lead to quicker repayment of investment cost
as indicated by the pay-back period (PBP), which is shorter by 0.5 and 1.14 years in AVS one row PV array
in rainfed and irrigated as compared to PV-GM (8.61 years). Moreover, the one row PV array with irri-
gated had the lowest Levelized cost of electricity generation (LCOE) (INR 3.17 kWh
1
), which is much
lower than the prevailing electricity tariff (INR 5.0 kWh
1
). Hence, it is inferred that crop production can
be very economical for an AVS. AVS technology shows flexibility up to 6% escalation in cost with no
escalation in returns, as is indicated by sensitivity analysis. One row full density with irrigated is found
the best system based on sensitivity analysis and economic feasibility. The economic analysis of AVS
designs in this study is similar to the cost of other PV systems worldwide. Therefore, all PV systems
analyzed represent a relatively safe investment.
© 2021 Elsevier Ltd. All rights reserved.
* Corresponding author.
E-mail address: surendra.poonia@icar.gov.in (S. Poonia).
Contents lists available at ScienceDirect
Renewable Energy
journal homepage: www.elsevier.com/locate/renene
https://doi.org/10.1016/j.renene.2021.11.074
0960-1481/© 2021 Elsevier Ltd. All rights reserved.
Renewable Energy 184 (2022) 149e163