Trend watch: Agrivoltaics & dual-use farmland in 2026 — signals, winners, and red flags

Global agrivoltaic capacity surpassed 14 GW in 2025, a 44% increase from the prior year, and the market is projected to reach 80 GW by 2030 as governments, energy developers, and farmers race to co-locate solar panels and food production on the same land. In a world where farmland scarcity and clean energy targets compete for the same acres, agrivoltaics offers a dual-revenue model that is reshaping rural economies from Japan to France to the American Midwest. This trend watch breaks down the five signals defining 2026, identifies who is winning, and flags the risks that could derail momentum.

Why It Matters

Agriculture occupies roughly 37% of global land area, and solar energy requires large contiguous tracts to achieve gigawatt-scale deployment. These two demands are increasingly colliding. In the EU alone, the REPowerEU plan calls for 600 GW of solar by 2030, while the Common Agricultural Policy prioritizes food security and biodiversity. Agrivoltaics resolves this tension by enabling both uses on the same parcel: elevated or spaced solar panels generate electricity above while crops, livestock, or pollinators continue to use the land below.

The economic case is strengthening. Farmers who adopt agrivoltaics can earn $500 to $1,200 per acre annually from energy lease payments on top of crop income. For energy developers, dual-use projects increasingly bypass permitting objections tied to farmland conversion. For policymakers, agrivoltaics offers a politically viable path to meet renewable targets without triggering rural opposition to ground-mounted solar.

Key Concepts

Agrivoltaics (agri-PV): The co-location of solar photovoltaic systems and agricultural activity on the same land. Panels may be elevated (3 to 5 metres), vertically mounted (bifacial east-west orientation), or semi-transparent to allow light transmission to crops beneath.

Land Equivalent Ratio (LER): A metric comparing combined output of agrivoltaic systems to separate solar and farming operations. An LER above 1.0 means the combined system produces more total value per hectare. Studies consistently report LERs of 1.3 to 1.7 for well-designed systems.

Dual-use farmland: A broader category encompassing any agricultural land used simultaneously for energy production, including wind, solar, and emerging technologies. Agrivoltaics is the fastest-growing segment.

Crop compatibility: Not all crops perform equally under panels. Shade-tolerant species (lettuce, spinach, berries, herbs) thrive in agrivoltaic settings. Some heat-sensitive crops (potatoes, peppers) show yield improvements of 5 to 20% due to reduced heat stress.

Grazing solar: Solar installations designed to accommodate livestock grazing, typically sheep. This is the most common form of dual-use solar in the US and UK, with lower design complexity than elevated crop systems.

Signal 1: Policy Frameworks Moving from Pilots to Mandates

France led the regulatory wave by defining agrivoltaics in law through its 2023 energy acceleration legislation, establishing that solar installations on agricultural land must maintain viable farming as the primary activity. Germany followed with its DIN SPEC 91434 standard, creating technical specifications for agrivoltaic installations. In 2025, Italy allocated 1.1 billion euros through its PNRR fund specifically for agrivoltaic projects, requiring a minimum of 70% continued agricultural use.

In 2026, watch for the UK's response. DEFRA is consulting on updated planning guidance for dual-use solar on Grade 3 and 4 agricultural land. Japan, which pioneered agrivoltaics in 2004, is tightening its renewal requirements: temporary permits now require proof that crop yields remain within 80% of pre-installation levels.

The direction is clear: policy is codifying agrivoltaics as a distinct category, separate from conventional ground-mount solar, with specific agricultural performance requirements.

Signal 2: Developer Revenue Models Shifting to Dual-Income Structures

Early agrivoltaic projects treated farming as a secondary afterthought: developers paid a lease and left farming to the landowner. The 2026 model is evolving toward integrated economics where energy companies share crop revenue upside.

EDF Renewables' 30 MW Tresserre project in southern France generates electricity while producing organic grapes beneath semi-transparent panels. The combined revenue per hectare exceeds conventional farming or solar alone by 35%. In Colorado, Jack's Solar Garden (operated by Namaste Solar) has demonstrated that pollinator-friendly ground cover beneath panels increases honey production and supports adjacent crop pollination, adding a third revenue stream.

Investors are noticing. Climate-focused funds allocated $2.4 billion to agrivoltaic projects in 2024-2025, a threefold increase from 2022-2023. The premium for agrivoltaic projects over conventional solar in feed-in tariff systems (France offers a 10% bonus) and in planning approval success rates is driving developer interest.

Signal 3: Crop Yield Data Maturing from Anecdotal to Systematic

The Fraunhofer Institute for Solar Energy Systems (ISE) has published multi-year yield data from its Heggelbach research facility in Germany. Results across wheat, potatoes, celery, and clover show an average yield retention of 80 to 95% under elevated panels, with water savings of 15 to 20% due to reduced evapotranspiration.

The University of Arizona's Biosphere 2 agrivoltaics research demonstrated that chiltepin peppers produced three times the fruit yield under PV panels compared to open field conditions, while cherry tomatoes doubled their output. These results were achieved in arid climates where shade is a net positive.

In 2026, the Oregon State University InSPIRE (Innovative Site Preparation and Impact Reductions on the Environment) project is scaling controlled trials across 30 sites in five US states. This dataset will provide the first statistically robust, multi-climate, multi-crop evidence base for agrivoltaic performance at commercial scale.

The shift from small-plot research to large-scale, replicated field trials is the critical inflection point. Financiers, insurers, and regulators need bankable yield data, and 2026 is when that data becomes available at meaningful scale.

Signal 4: Livestock Integration Becoming the Default Entry Point

Sheep grazing under solar panels is now standard practice for major developers in the US, UK, and Australia. The American Solar Grazing Association reports that over 1,200 solar sites in the US incorporate managed grazing, up from 350 in 2021. Sheep reduce vegetation management costs by $200 to $400 per acre annually while generating wool and lamb revenue.

In the UK, Lightsource bp operates multiple sites with integrated sheep grazing, reporting that flock health improves due to panel shade reducing heat stress. NextEnergy Solar Fund has incorporated pollinator habitats at 90% of its UK sites, with biodiversity net gain assessments showing measurable improvements in species counts.

The trend for 2026 is expansion beyond sheep. Poultry integration pilots are underway in France and the Netherlands. Beekeeping co-location is growing, with the Solar Energy Industries Association (SEIA) estimating that 40% of new US utility-scale solar sites now include pollinator habitat plans.

Signal 5: Financing and Insurance Structures Catching Up

Agricultural lenders have historically struggled to underwrite agrivoltaic projects because they span two asset classes: energy infrastructure and farmland. In 2025, Rabobank launched a dedicated agri-solar lending product in the Netherlands. The European Investment Bank approved a 150 million euro credit line for agrivoltaic projects across southern Europe.

Crop insurers are also adapting. French mutual insurer Groupama now offers policies that cover yield losses specifically on agrivoltaic parcels, with premiums adjusted for the reduced drought risk that panel shading provides. In the US, the USDA Risk Management Agency is reviewing whether to extend Federal Crop Insurance to dual-use installations.

The remaining gap: standardized performance warranties that integrate panel degradation curves with crop yield guarantees. This is the product that project finance banks need to reach investment-grade confidence.

What's Working

Elevated panel systems in Mediterranean and arid climates deliver the strongest combined returns. Shade benefits are measurable: crops that struggle with heat and drought show material yield improvements. Grazing solar has proven scalable and low-risk, making it the easiest entry point for landowners and developers. Policy incentives in France, Italy, and Germany are accelerating deployment. Community engagement is generally positive when agrivoltaics preserves visible farming activity, reducing the "industrialisation of the countryside" objection common to conventional solar farms.

What's Not Working

High upfront costs remain a barrier. Elevated agrivoltaic structures cost 10 to 30% more than conventional ground-mount solar due to taller racking, wider spacing, and heavier foundations. In northern climates with low solar irradiance and limited shade benefit, the economic case is weaker. Mechanization constraints persist: large combine harvesters cannot operate beneath some panel configurations, limiting crop choices. Regulatory fragmentation across jurisdictions creates compliance complexity for developers operating in multiple markets. Some early projects in Japan have been criticized for "sham agrivoltaics" where minimal, non-viable farming was conducted solely to obtain agricultural land permits for solar.

Key Players

Established Leaders

• EDF Renewables: Operating multiple agrivoltaic projects in France, including the 30 MW Tresserre wine-solar installation. Invested over 500 million euros in dual-use solar.
• BayWa r.e.: German developer operating commercial agrivoltaic sites across Europe, with berry and apple orchards under elevated panels in the Netherlands and Austria.
• Lightsource bp: One of the largest global solar developers, integrating sheep grazing across its UK and US portfolio of over 8 GW.
• NextEnergy Solar Fund: UK-listed fund with pollinator and grazing integration at 90%+ of operational sites.

Emerging Startups

• Sun'Agri: French agrivoltaics specialist using dynamic tracking panels that adjust tilt to optimize light for crops. Operating 12 pilot sites across vineyards and orchards.
• Agri Solar Clearing House: US-based research and matchmaking platform connecting farmers with solar developers for dual-use projects.
• Ombrea: French startup developing intelligent shade structures for high-value crops, using sensor data to modulate panel angles in real time.
• TuNur: North African developer exploring agrivoltaics for arid-climate food production combined with export-scale solar.

Key Investors and Funders

• European Investment Bank: 150 million euro credit facility for agrivoltaic deployment in southern Europe.
• Rabobank: Launched dedicated agri-solar lending products in 2025 for Dutch and European farmers.
• Breakthrough Energy Ventures: Invested in next-generation agrivoltaic panel technologies and crop-optimized system designs.

Action Checklist

1. Assess your land portfolio for agrivoltaic suitability, prioritizing parcels with shade-tolerant crops, livestock operations, or arid conditions where panel shade improves yields.
2. Engage developers early to negotiate dual-revenue structures rather than simple lease agreements.
3. Review national and regional policy incentives: France, Italy, and Germany offer feed-in tariff bonuses or dedicated funding for agrivoltaic installations.
4. Evaluate crop compatibility using Fraunhofer ISE and Oregon State InSPIRE datasets to select species proven to perform under panels.
5. Secure agricultural insurance coverage that accounts for the modified microclimate under panels.
6. Plan panel layouts around existing farm machinery: ensure row spacing accommodates tractors, harvesters, and irrigation equipment.
7. Monitor regulatory developments in your jurisdiction, particularly planning guidance for dual-use classification and agricultural performance requirements.
8. Start with grazing solar or pollinator habitat as a low-risk entry point before investing in elevated crop systems.

FAQ

What crops grow best under solar panels? Shade-tolerant leafy greens (lettuce, spinach, kale), berries (strawberries, blueberries, raspberries), herbs, and root vegetables perform well. In hot climates, heat-sensitive crops like peppers and tomatoes often show improved yields under partial shade.

How much does an agrivoltaic system cost compared to conventional solar? Elevated agrivoltaic systems typically cost 10 to 30% more than standard ground-mount solar due to taller structures, wider spacing, and reinforced foundations. However, the combined revenue from energy and agriculture can deliver 20 to 60% higher returns per hectare over the project lifetime.

Does agrivoltaics reduce crop yields? Well-designed systems retain 80 to 95% of baseline crop yields for compatible species. Some crops, particularly in hot or arid environments, show yield increases of 5 to 200% due to reduced heat stress and water conservation. Poorly designed systems with insufficient light penetration can reduce yields below viable thresholds.

What is the Land Equivalent Ratio and why does it matter? The LER compares the total productivity of an agrivoltaic system (energy plus crops) to the same outputs produced on separate dedicated parcels. An LER of 1.5 means the combined system produces 50% more total output per hectare. Most published studies report LERs of 1.3 to 1.7.

Can livestock graze under solar panels? Sheep grazing is widely practiced and commercially proven at over 1,200 sites in the US alone. Sheep manage vegetation, reducing maintenance costs, while producing wool and lamb revenue. Cattle and poultry integration is in early pilot stages.

Sources

1. Fraunhofer Institute for Solar Energy Systems. "Agrivoltaics: Opportunities for Agriculture and the Energy Transition." Fraunhofer ISE, 2025.
2. Barron-Gafford, G.A. et al. "Agrivoltaics provide mutual benefits across the food-energy-water nexus in drylands." Nature Sustainability, 2019.
3. European Commission. "REPowerEU Plan: Solar Energy Strategy." European Commission, 2024.
4. IRENA. "Renewable Energy and Agri-Food Systems: Advancing Energy and Food Security." International Renewable Energy Agency, 2025.
5. American Solar Grazing Association. "Solar Grazing Annual Report." ASGA, 2025.
6. Oregon State University. "InSPIRE: Innovative Site Preparation and Impact Reductions on the Environment." OSU, 2025.
7. Italian Ministry of Environment and Energy Security. "PNRR Agrivoltaic Incentive Programme Results." Italian Government, 2025.