The investigation spearheaded by Dr. Antonio Sibilia and Professor Marina Calloni meticulously dissects how 403 operational wind turbines, already exceeding 600 MW in capacity, have redefined Alta Irpinia. With an additional 113 turbines licensed, the proliferation of these structures has transformed the region into what locals increasingly perceive as a resource extraction site, diluting diverse rural identities and reshaping land use. Historically an area marred by seismic activity and demographic decline, Alta Irpinia now confronts the dilemmas posed by ambitious decarbonization goals clashing with entrenched socio-cultural ecosystems.

Expanding renewable energy infrastructure is an indisputable global imperative to mitigate climate change. Yet, as this study compellingly reveals, the absence of robust participatory frameworks in energy planning compounds inequalities and threatens to marginalize the very communities that bear the brunt of these developments. Through a qualitative survey approach featuring 13 semi-structured interviews with residents, farmers, civic groups, and administrators, the research provides an intimate glimpse into societal fractures intensified by the uneven distribution of economic benefits emerging from wind farm installations.

Central to the study’s revelations is the phenomenon referred to by locals as “economic doping.” Royalties channeled predominantly to a select group of large landowners have distorted traditional agricultural markets, undermining small-scale farming operations and deepening socioeconomic divides. The conversion of croplands and pastures into industrial wind energy sites disrupts established production cycles and erodes the rural economies that have sustained Alta Irpinia for generations. In this context, the green energy transition paradoxically engenders distress rather than prosperity for many inhabitants.

The paper importantly dismantles simplistic notions that local opposition to wind farms stems merely from Not In My Back Yard (NIMBY) attitudes. Instead, it elucidates a broader contestation embedded in concerns over environmental justice, democratic inclusion, and territorial autonomy. Resistance movements are thus reinterpreted as legitimate expressions of community agency demanding meaningful participation in decisions that impact their landscapes, livelihoods, and identities. This challenges technocratic paradigms that prioritize centralized control over grassroots engagement within energy policy frameworks.

Culturally, the study situates the landscape as more than a picturesque backdrop; it is an active embodiment of memory, heritage, and social relations. The authors evoke the image of the xoanon, an ancient wooden cult figure with profound archaeological resonance for the province of Avellino, overlaid with wind turbine silhouette and iconic local flora—vineyards, wheat fields, and olive groves—to symbolize the tension between tradition and industrial modernity. Such representations emphasize how landscape transformation intertwines with narratives of belonging and historical continuity.

The consequences of imposing large-scale energy infrastructures in earthquake-vulnerable territories add a layer of complexity often overlooked in climate policy discourses. Physical vulnerability intersects with social disempowerment, raising questions about the resilience of both ecosystems and communities in managing multifaceted risks. Consequently, the push for decarbonization must reckon with place-based vulnerabilities and specificities rather than adopting uniform, top-down models.

Recognizing these dimensions, the study advocates for an alternative energy transition paradigm anchored in local knowledge systems and cultural attachments. This entails designing benefit-sharing mechanisms that equitably redistribute economic gains, thereby counterbalancing the monopolization tendencies observed in the current development model. Equally critical is fostering democratic governance structures where affected stakeholders hold genuine decision-making power, ensuring that transitions are as just as they are sustainable.

Technologically, the research does not undermine the necessity of expanding renewable capacities but calls for integrating social sciences insights into engineering projects from inception through operation. Without embedding social justice principles into energy infrastructure planning, there is a risk of perpetuating exclusionary practices that alienate rural populations and erode the social license essential for long-term sustainability. This interdisciplinary approach is vital in navigating the paradoxes inherent in green transformations.

The Alta Irpinia case study thus serves as a microcosm of global challenges faced in harmonizing urgent climate action with the preservation of rural livelihoods and intangible heritage assets. It spotlights the critical need to recalibrate national energy agendas to accommodate localized contexts, ensuring that vulnerable regions are not mere sites for carbon neutrality targets but active beneficiaries of the green economy. Such recalibration is indispensable if energy transitions are to fulfill promises of equity and resilience.

Ultimately, this research powerfully asserts that energy models are inseparable from social models. The modalities through which energy is produced shape community dynamics, identity constructions, and modes of citizenship participation. Therefore, a just energy future necessitates a holistic understanding that transcends mere technological metrics, embedding core values of redistribution, cultural respect, and environmental stewardship at its foundation.

Alta Irpinia has undeniably contributed significantly to national decarbonization objectives, yet this contribution must be acknowledged not only in megawatts but also in tangible rewards for local communities. The call to “rebalance the transition” resonates as an urgent policy imperative, beckoning governments, planners, and stakeholders worldwide to confront the nuanced socio-environmental intricacies of renewable energy expansion. Only through inclusive, context-sensitive strategies can the promise of a sustainable and equitable energy future be truly realized.

Article Title: Green vs. Green: wind farms and farming communities in Alta Irpinia (Campania Region, Italy)
News Publication Date: 15 September 2025
Web References: https://doi.org/10.55092/rse20250006
Image Credits: Field photographs by A. Sibilia, A. Fasano (Alta Irpinia, 2024-2025); Illustration by A. Sibilia (2025)
Keywords: Energy policy, Resource policy, Environmental justice, Renewable energy transition, Rural development, Social participation

At the heart of their experiment lies an innovative solar panel configuration: vertical, bifacial modules oriented east-west. This design diverges from typical south-facing tilted arrays common in photovoltaic installations. Although vertical panels inherently produce slightly less electricity annually compared to conventional setups, their energy generation peaks in the morning and late afternoon. This pattern better aligns with grid demand cycles, enhancing the economic value and utility of the electricity produced. Thus, energy output quality complements quantity, marking a significant evolution in photovoltaic system design.

From an agricultural perspective, the researchers report promising findings. Tests conducted on wheat and grass-clover mixtures growing among the vertical panels found comparable crop yields to those in open, unshaded fields. Meanwhile, the solar modules occupied only about 10% of the total field area—much less land than would be needed if solar arrays and crops were installed separately. The wind-breaking effect of the panels may also have helped protect plants from harsh weather, a benefit that could translate into more resilient agricultural systems amid climate variability.

Importantly, the vertical bifacial glass-on-glass solar panels offer environmental and structural benefits beyond their land efficiency. Their glass composition results in lower material consumption and consequentially reduced CO₂ emissions throughout the manufacturing process. Additionally, vertical mounting minimizes wind loads on the panels, enhancing stability and longevity while maintaining compatibility with conventional farming machinery. This synergy means the panels do not disrupt routine fieldwork, allowing farmers to maintain their operations with minimal adaptation.

One distinctive aspect of this study is the social dimension—how people perceive and accept agrivoltaic installations in the landscape. The Aarhus team engaged over 100 participants in an immersive virtual reality experiment to gauge public attitudes toward vertical agrivoltaics versus traditional solar parks. The response was clear: vertical panels were rated more positively, perceived as more innovative and environmentally friendly. Participants appreciated that these installations preserved agricultural activity and resembled modern hedgerows rather than industrial solar fields, fostering aesthetic acceptance crucial for large-scale deployment.

Facilitating the development of land-efficient solar power systems is paramount as Europe grapples with rising energy demands, climate commitments, and limited land resources. Agrivoltaics, especially with innovative vertical arrays, uniquely address these intersecting challenges. By maximizing dual land-use efficiency—harvesting watts and crops simultaneously—this approach provides a roadmap toward sustainable, multifunctional landscapes that benefit energy, food production, and biodiversity in tandem.

The project at Foulum serves as both a technological and ecological testbed. Researchers installed two bifacial system variants: traditional tilted south-facing panels and vertical east-west-facing panels. This direct comparison allowed detailed insights into how orientation and configuration impact energy yield, temporal production profiles, and agricultural outcomes under temperate climatic conditions—a research area gaining global importance given the demand for adaptable renewable solutions.

Long-term monitoring remains a vital next step for thoroughly understanding how crop cycles interact with shading patterns, microclimates, and panel performance over multiple seasons. Such longitudinal data will clarify agronomic impacts, panel durability, and potential ecosystem benefits. However, early results confidently debunk the myth that solar infrastructure implies inevitable yield penalties, instead pointing to a future where photovoltaic and agricultural sectors co-evolve sustainably.

Underlying this research is the EU-funded Hyperfarm project (Hydrogen and Photovoltaic Electrification on Farm), which supports multidisciplinary collaborations between departments in mechanical engineering, agroecology, food science, management, and climate research. This holistic approach recognizes that agrivoltaics embody technical, environmental, and social dimensions requiring integrated expertise to optimize design, deployment, and acceptance.

Moreover, vertical agrivoltaic configurations reduce the overall carbon footprint of solar panel production and installation. Less material use, lower CO₂ emissions, and fewer structural supports translate into cleaner manufacturing and logistics. This technical innovation aligns strongly with climate mitigation goals and circular economy principles, positioning agrivoltaics as models for sustainable energy infrastructure.

In conclusion, Aarhus University’s pioneering work reveals that vertical agrivoltaics in temperate climates can revolutionize the landscape of renewable energy and agriculture alike. By enabling energy production that complements crop growth with minimal land use conflict, these systems offer a compelling alternative to conventional, land-intensive solar farms. Coupled with positive social perceptions and environmental benefits, vertical agrivoltaics represent a scalable solution poised to contribute meaningfully to Europe’s green transition and global sustainability efforts. The message is resoundingly clear: it is possible to have wheat and watts, side by side.

Subject of Research: Vertical agrivoltaics in temperate climates including technical, agricultural, meteorological, and social dimensions.

Article Title: Vertical agrivoltaics in a temperate climate: Exploring technical, agricultural, meteorological, and social dimensions

Web References:

• Hyperfarm project: https://hyperfarm.eu/
• DOI: http://dx.doi.org/10.1016/j.nexus.2025.100526

Image Credits: Aarhus University

Keywords: agrivoltaics, vertical solar panels, bifacial photovoltaics, renewable energy, crop yield, land-use efficiency, climate mitigation, social acceptance, sustainable agriculture, energy demand matching, bifacial glass-on-glass panels, EU Horizon 2020

Historically, land use for agriculture and energy production has been viewed as a zero-sum game. The rapid proliferation of ground-mounted solar panels has increasingly encroached upon fertile agricultural land, creating a competition that threatens sustainable land management globally. Current statistics suggest that 13 to 16 percent of these solar installations occupy land formerly dedicated to farming. This overlap intensifies the struggle to balance critical food security objectives against climate-driven energy transitions, raising the stakes for finding integrative solutions.

The concept of agrivoltaics disrupts the binary choice between agricultural and energy land use. This study’s novel spatial agro-hydrological model simulated how 22 different globally relevant rainfed crops respond to varying degrees of solar radiation attenuation caused by PV panels. The research presents compelling evidence that between 22 and 35 percent of rainfed agricultural lands worldwide can support agrivoltaic systems without compromising overall food production capacity substantially. This balance unlocks a revolutionary dual-use approach whereby crops can thrive beneath solar arrays, thereby maximizing land productivity in a mutually beneficial manner.

At the core of this research lies a sophisticated biophysical simulation framework, accounting not only for light reduction but also for complex climate interactions and soil moisture dynamics. By varying radiation constraints—ranging from configurations allowing complete yield maintenance to scenarios permitting up to a 20 percent yield reduction—the model delineated global zones of viable agrivoltaic implementation with unprecedented spatial precision. The triangular bivariate color scheme developed visualizes the overlap between harvested areas and their agrivoltaic convertibility potential, charting a detailed global map for land-use planning.

One of the remarkable insights highlighted by co-author Nikolas Galli, a researcher with the Glob3Science Lab, emphasizes the scalability of agrivoltaics across diverse agroecological contexts. "Agrivoltaics cannot be applied everywhere," Galli acknowledges, "but according to our results, it would be possible to combine cultivation and energy production in many global regions without significant yield penalties." This underscores the tailored, location-specific approach necessary to unlock agrivoltaics’ full potential and avoid a one-size-fits-all mentality often seen in land management policies.

Moreover, Giampaolo Manzolini, a professor in the Department of Energy, elaborates on the synergies from an engineering and energy efficiency perspective. "Utilizing the same land for crops and photovoltaic modules increases the output per surface area and reduces production costs. Additionally, vegetation beneath panels can lower their operating temperature, enhancing photovoltaic efficiency." This thermal regulation effect attests to the intricate eco-technical feedback loops agrivoltaic systems can harness, fostering both agronomic and energy optimization.

Beyond the technical advantages lies a profound environmental and socio-economic significance. Maria Cristina Rulli, the lab coordinator and co-author, stresses its role in promoting sustainability: "This technology has the potential to reduce land competition while improving the sustainability of agricultural and energy systems." Integrating agrivoltaics could lessen pressures on natural ecosystems by reducing the need to convert forests or other high-biodiversity habitats into farmland or solar parks, thereby aligning with global conservation targets.

The study’s comprehensive global mapping opens avenues for policy makers and investors to strategically target agrivoltaic deployment where it is most effective. Such informed decision-making can generate high-impact returns on investment, ensuring renewable energy expansion does not come at the expense of food security. By presenting agrivoltaics as a scalable and scientifically validated land-use strategy, the research supports a paradigm shift from trade-offs toward synergies in land management.

Technically, the integration of photovoltaic systems with crop cultivation necessitates careful engineering design to optimize module spacing, tilt, and height, ensuring sufficient light penetration for photosynthesis. Agrivoltaic arrangements must balance shade patterns, crop type sensitivities, and local climatic conditions. The research’s use of an agro-hydrological model is pivotal in quantifying these variables over diverse environments, advancing the precision with which agrivoltaic projects can be planned and executed.

It is important to note the role of crop selection in agrivoltaics’ success. The 22 crops analyzed include cereals, legumes, and horticultural species with varying radiation tolerance and water requirements, reinforcing that agrivoltaic applicability is crop- and context-dependent. This crop-specific modeling ensures that proposed land-use integrations maintain agronomic viability while supporting energy generation goals.

As global climate systems grow increasingly volatile, strategies like agrivoltaics can enhance resilience by diversifying land functions and buffering against market or climatic shocks. Multipurpose land use smooths risk profiles and contributes to circular economy principles, positioning agrivoltaics as a forward-looking solution with both immediate and long-term benefits.

Ultimately, the research by the Politecnico di Milano team signals a compelling step toward reconciling two of the 21st century’s greatest challenges: sustainable food production and clean energy generation. By scientifically validating the feasibility and benefits of agrivoltaic systems at a global scale, this study paves the way for transformative land policies that harness the latent synergy between sunlight and soil.

Subject of Research: Agrivoltaics and land-use synergy between solar energy and agriculture
Article Title: Global Land-Water Competition and Synergy Between Solar Energy and Agriculture
News Publication Date: 18-Feb-2025
Web References: http://dx.doi.org/10.1029/2024EF005291
Image Credits: Politecnico di Milano
Keywords: Photovoltaics, Solar energy, Crops, Land use, Renewable energy, Energy policy, Climate systems, Sustainable energy, Solar radiation, Crop yields, Sustainable agriculture, Agricultural policy, Crop domestication, Solar power