Solar Highway Market Report Scope & Overview:

The Global Solar Highway Market was valued at USD 492.6 Million in 2025 and is expected to reach USD 6,014.5 Million by 2035, growing at a CAGR of 28.43% from 2026 to 2035.

Solar highways are novel infrastructural and energy production solutions involving the use of photovoltaics on roads, guardrails, and other transportation infrastructures, which include the lighting of roads, operation of the traffic system, provision of electricity at charging points for electric vehicles, and supplying energy to the grid. The continued growth in the number of smart roads and intelligent transport systems, whose operation depends on renewable energy sources, is continuously increasing the market size for solar highways due to energy decentralization.

In March 2025, Liaison, a project of the European Union, presented an innovative photovoltaic guardrail solution on the highways around Erbusco, Italy, with the use of ultrathin solar panels producing about 25 megawatts of energy per kilometer in one year, capable of powering 20 homes.

Market Size and Forecast

• Market Size in 2026E: USD 632.7 Million

• Market Size by 2035: USD 6,014.5 Million

• CAGR: 28.43% from 2026 to 2035

• Fastest Growing Region: Europe

• Largest Region: North America

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Solar Highway Market Trends

• Growing adoption of guardrail and noise barrier-mounted photovoltaic systems is emerging as a lower-risk alternative to embedded road-surface solar panels.

• Rising integration of solar highway infrastructure with electric vehicle charging networks is broadening the technology's addressable transportation applications.

• Expanding smart-city investment and aggressive renewable efergy targets across developed and emerging economies are accelerating solar highway pilot deployment.

• Increasing focus on structurally robust photovoltaic materials capable of withstanding vehicle weight continues to drive road-surface panel engineering advancement.

• Growing modular solar paving tile deployment is expanding decentralized renewable energy generation across pedestrian walkways, cycling paths, and parking facilities.

U.S. Solar Highway Market Outlook

The U.S. Solar Highway Market was valued at USD 142.1 Million in 2025 and is projected to reach USD 1,735.4 Million by 2035, growing at a CAGR of 28.43% during 2026-2035.

Growing environmental concern and accelerating demand for alternative and renewable energy resources continue to support robust market growth across the United States. Leading technology companies continue to conduct pilot testing across multiple state highway corridors addressing rising interest in decentralized, road-integrated power generation. Growing government infrastructure investment continues to reinforce sustained solar highway pilot program development across the country's transportation network nationwide.

Colas's Wattway photovoltaic road surfacing technology has been tested at a pilot site in West Point, Georgia, with the installation estimated to generate approximately 7,000 kilowatt-hours annually, reflecting continued technology validation efforts across U.S. state highway corridors as developers work to refine structurally durable, vehicle-rated solar road surfacing suited to American climate and traffic conditions.

Solar Highway Market Segment Analysis

• By Product Type, Solar Panels led the Solar Highway Market with a 42.60% share in 2025, while Solar Power Tiles is the fastest-growing product type segment with a CAGR of 30.60% from 2026-2035.

• By Application, Highways led the Solar Highway Market with a 46.60% share in 2025, while EV Charging Points is the fastest-growing application segment with a CAGR of 32.60% from 2026-2035.

• By Component, Photovoltaic Cells led the Solar Highway Market with a 52.60% share in 2025, while Batteries/Energy Storage is the fastest-growing component segment with a CAGR of 31.80% from 2026-2035.

By Product Type, Solar Panels Dominated the Market While Solar Power Tiles Is the Fastest-Growing Segment

Solar Panels dominated the Solar Highway Market, contributing 42.60% to revenue, due to the commercial viability of solar panels as the most mature photovoltaic technology that can be integrated into road surfaces, guardrails, and related infrastructure. Solar panels built for strength and resistance to the weight of automobiles have been the largest and most technically mature category of products, ensuring the leadership of the product type within the wider solar highway market.

Solar Power Tiles are anticipated to register the highest CAGR of 30.60% from 2026 to 2035, attributable to the widespread use of modular tiles on walking and cycling paths, as well as parking lots, owing to the easier installation than road surface technology. The increase in demand for distributed and maintenance-free renewable power generation on small transport infrastructure continues to support the strong growth of this segment.

By Application, Highways Dominated the Market While EV Charging Points Is the Fastest-Growing Segment

Highways was the leading segment of the Solar Highway Market with a revenue share of 46.60% in 2025 owing to the extent of highways' infrastructure that constitutes the largest surface area available for installation of solar cells. This type of installation continues to provide the highest overall potential for energy generation due to the wide geography and availability of sunlight. This application's dominance in the Solar Highway Market is ensured by these features.

EV Charging Points is estimated to be the fastest-growing segment with a CAGR of 32.60% in 2026-2035. The growth is attributed to the growing number of solar installations that are associated with the infrastructure for EVs charging. This trend results from the increasing demand in electric vehicles' numbers and infrastructure for EVs charging and the rising convergence between transportation electrification and distributed renewable energy generation.

By Component, Photovoltaic Cells Dominated the Market While Batteries/Energy Storage Is the Fastest-Growing Segment

The Photovoltaic Cells segment accounted for the largest revenue share of 52.60% in the Solar Highway Market in 2025 owing to the vital nature of photovoltaic cells in serving as the basic energy conversion technology forming the foundation of every solar highway application irrespective of the form of the product.

The Batteries/Energy Storage segment will witness the highest CAGR of 31.80% during the forecast period 2026-2035, owing to the increasing requirement for constant power generation that can enable the operation of highways at nighttime and during low irradiance through their lights, traffic signaling, and EV charging stations. Increasing incorporation of energy storage systems continues to support the impressive growth trend exhibited by this segment as compared to the more conventional photovoltaic cell and inverter components.

Regional Analysis

North America Solar Highway Market Insights

North America held the largest regional share of the Solar Highway Market in 2025 at 34.09% of global revenue, driven by growing environmental concern accelerating demand for alternative and renewable energy resources across the region. Substantial government infrastructure investment and active pilot program development continue to reinforce North America's leadership position across the broader solar highway landscape.

The US had an estimated 84.60% share in the North American market in 2025, due to its presence of companies engaged in the development of advanced solar highway technology and ongoing implementation of a multi-state pilot project program. Canada is playing an important role in growth within the region with investment in renewable energy infrastructure projects.

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Europe Solar Highway Market Insights

Europe is anticipated to have the highest CAGR in the forecast period of 2026-2035 due to its aggressive targets for renewable energy adoption, investments in smart cities, and implementation of pilots of photovoltaic guardrails and photovoltaic road surfaces in key member countries. The dominance of Europe in the development of solar highway technology based on its pioneering firms and EU-funded pilots will continue to sustain its high growth trend.

Italy emerged as the leader in the European market with a regional market share of 26.40% in 2025 owing to the EU's Liaison photovoltaic guardrail pilot project and increasing government investments in smart highway systems. France, the Netherlands, and Germany are also making significant contributions to the regional market growth due to their key players in solar roads technology.

Asia Pacific Solar Highway Market Insights

The Asia Pacific region held a significant market share in the global Solar Highway Market in 2025 owing to increasing government-led smart infrastructure initiatives and investments in renewable energy in China, Japan, and South Korea. The development of urban transport infrastructure is expected to increase regional demand for solar highway technology.

The China market held a market share of about 36.60% of the Asia Pacific market in 2025 on account of increasing domestic solar panel production capabilities in the country and government-led investment in smart highway pilot projects. Japan and South Korea are also playing a significant role in driving regional growth due to strong demand for photovoltaic infrastructure integration technology.

Middle East & Africa and Latin America Solar Highway Market Insights

The Middle East and Africa region shows steady growth owing to increasing solar irradiation along with increasing renewable energy diversification programs by governments in Gulf states. The region of Latin America also reaps the benefit of increasing investments in renewable energy infrastructures along with sustainable transportation programs.

UAE was the leader in the Middle East and Africa region accounting for a regional share of 22.60% in 2025 due to high solar irradiation along with huge investments made by the government in smart infrastructures. Brazil held a share of 24.60% in the region of Latin America in 2025 due to increasing investments in renewable energy infrastructures.

Market Dynamics

Growth Drivers: Smart Road Adoption and Energy Decentralization Priorities Driving Market Growth

The Solar Highway Market is mainly driven by the increasing use of smart roads and intelligent traffic systems that require a stable and renewable energy source, together with the rising importance of energy decentralization, which promotes the use of highways as a means of generating power. Environmental issues have been increasingly gaining the attention of people across the globe, and this has spurred the demand for alternative and renewable energy sources, where solar highways offer a viable solution.

As the deployment of guardrail- and noise barrier-mounted photovoltaic systems continues to increase, it is seen as a relatively safer technology than surface road-based solar technologies because of their durability problems and high cost. The increasing use of solar highway technologies together with the electric vehicle charging system is opening up new opportunities for its use in the transportation sector. Increased investments in smart cities and strong renewable energy targets are fast tracking the solar highway pilot projects.

Restraints: High Initial Costs and Technology Performance Limitations Limiting Market Expansion

While there are underlying demand drivers that favor this market, there are certain constraints that arise because of the high upfront costs of constructing solar highway infrastructure, coupled with repair costs of solar panels and performance constraints. Some of the early large scale road surfacing pilot projects such as the Wattway project in France saw lower than expected energy production because of shading and wear by traffic.

Durability concerns associated with embedding photovoltaic technology directly into road surfaces subject to constant vehicle traffic, weather exposure, and maintenance activity continue to limit large-scale commercial deployment relative to more protected installation formats including guardrails and noise barriers. Growing competitive intensity among an expanding roster of solar highway technology developers also continues to fragment the still-emerging competitive landscape.

Opportunities: Guardrail-Mounted Systems and EV Infrastructure Convergence Creating New Growth Avenues

Substantial opportunity exists in continued development of guardrail-mounted and noise barrier photovoltaic systems that reduce direct vehicle traffic exposure while maintaining highway-adjacent energy generation capability. Companies that successfully commercialize durable, lower-maintenance installation formats stand to capture significant share of category growth as the industry addresses durability lessons learned from earlier road-surface pilot projects.

Increased convergence between the rise of electric transportation and solar highway infrastructure systems provides another important growth path, given that the expansion of electric vehicle charging stations is integrating decentralized sources of renewable energy. Modular solar tiles in pedestrian traffic and low-vehicle traffic scenarios offer another potential area for growth opportunities for suppliers.

Recent Developments:

• 2026: PLATIO Solar continued expanding deployment of its modular solar paving tile systems across European pedestrian walkways, cycling paths, and parking lot applications.

• 2025: Sun-Ways SA advanced its removable solar panel installation system designed to be laid directly over existing road markings without requiring surface reconstruction.

• 2026: Onyx Solar Group continued expanding its photovoltaic glass and structural solar material portfolio into transportation infrastructure applications including noise barriers.

• 2025-2026: Leading European highway operators continued piloting integrated photovoltaic guardrail and noise barrier systems as a lower-risk alternative to embedded road-surface panels.

Solar Highway Market key players are:

• Solar Roadways

• Colas Group (Wattway)

• Solmove GmbH

• Solar Earth Technologies Ltd.

• Innovatív Térburkolatfejlesztő Kft. (PLATIO Solar)

• Beijing Wistron Technology Co., Ltd.

• SolaRoad B.V.

• Panasonic Corporation

• First Solar, Inc.

• Hanwha Solutions Corporation

• TotalEnergies SE

• Enel X

• Signify N.V.

• Bouygues Construction

• Vinci SA

• Sun-Ways SA

• Onyx Solar Group LLC

• Pavegen Systems Ltd.

• NEXT Renewable Materials

• GreenLab Skive

Solar Highway Market Report Scope: