Solar energy paper index

Consumer preferences and stated willingness to pay for tomatoes grown under agri-photovoltaic systems in North-Central Namibia: insights from a sensory experiment and simple preference choice task

2026-07-05 · Cogent Food & Agriculture

One-line summary

A solar energy research paper on Consumer preferences and stated willingness to pay for tomatoes grown under agri-photovoltaic systems in North-Central Namibia: insights from a sensory experiment and simple preference choice task.

Engineering notes

Engineering notes will be added by the Power for Solar editorial team.

Chinese explanation / 中文解读

中文解读待补充:本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。

Original abstract

Tomato production in Namibia provides significant opportunities to improve food security and strengthen local economies, however, it is constrained by climate change impacts, such as high temperatures. Agri-Photovoltaic systems offer a novel solution mitigating climate risks while generating energy. This study evaluated consumer preferences and stated willingness to pay for tomatoes cultivated under chequered and opaque agri-Photovoltaic shaded conditions in comparison to open-field conditions conducted in Ogongo Constituency North-Central Namibia. A sample of 119 participants was selected for sensory evaluation and stat. Preliminary data analysis employed descriptive statistics, a truncated regression model which revealed that income level emerged as the key determinant of the stated willingness to pay across all treatments at p < 0.01 (open-field and chequered) and p < 0.05 (opaque), Kendall’s coefficient of concordance of 0.02 indicating low consensus of treatment preferences among participants, and lastly an analysis of variance revealed no statistically significant differences in stated willingness to pay across treatments, although the opaque treatment recorded the highest mean value (N$16.4). Attributes size, shape and firmness statistically differed across treatments at p < 0.01. Despite the altered growing conditions, consumer acceptance of agri-Photovoltaic tomatoes has remained positive, suggesting that implementing agri-Photovoltaic in tomato production would not negatively impact economic and market viability, as consumer demand for this product remains strong.

5.0Engineering value
7.0Research novelty
4.0Business relevance

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