Rooftop Solar EPC Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented, By Capacity (Up to 1 kW, 1 to 10 kW, 10 to 50 kW, 50 kW to 1 MW), By End-User (Residential, Commercial and Industrial), By Region & Competition, 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 17.11 Billion
CAGR (2026-2031)	6.16%
Fastest Growing Segment	Residential
Largest Market	North America
Market Size (2031)	USD 24.49 Billion

Market Overview

The Global Rooftop Solar EPC Market will grow from USD 17.11 Billion in 2025 to USD 24.49 Billion by 2031 at a 6.16% CAGR. The Global Rooftop Solar EPC Market comprises companies that provide comprehensive Engineering, Procurement, and Construction services for deploying photovoltaic systems on residential, commercial, and industrial rooftops. These entities manage the entire project lifecycle, ranging from initial feasibility studies and technical design to the sourcing of high-quality components and final on-site installation. Key drivers propelling this sector include rising grid electricity prices that encourage self-consumption, stringent corporate decarbonization mandates, and supportive government policies aimed at enhancing national energy security and reducing carbon footprints.

This sector's expansion is evidenced by the substantial volume of capacity being deployed worldwide. According to SolarPower Europe, in 2024, the global solar industry installed a record 597 GW of new capacity, representing a 33% increase compared to the previous year. However, a significant challenge impeding broader market acceleration is the limitation of existing grid infrastructure, which often struggles to integrate the rapid influx of distributed generation, leading to interconnection delays and technical bottlenecks.

Key Market Drivers

Supportive government regulatory frameworks and financial incentives serve as a primary catalyst for the Rooftop Solar EPC market. Governments are deploying aggressive capital subsidies and tax credits to lower upfront installation costs for residential and commercial users, directly accelerating project pipelines for engineering and construction firms. These fiscal measures improve the return on investment for end-users, thereby stimulating installation volumes. For instance, according to the Press Information Bureau of India, February 2024, in the 'Cabinet approves PM-Surya Ghar: Muft Bijli Yojana' release, the central government approved a financial outlay of Rs 75,021 crore to facilitate rooftop solar installations for one crore households. Such substantial public funding creates immediate demand for engineering services, ensuring a steady stream of contracts for market players operating in favorable regulatory environments.

Corporate commitments to decarbonization and ESG goals are simultaneously reshaping the commercial segment of this industry. Large enterprises are contracting EPC providers to retrofit their facilities with photovoltaic systems to meet net-zero targets and mitigate reputational risks. According to the Solar Energy Industries Association, May 2024, in the 'Solar Means Business 2024' report, top corporate solar adopters in the United States have cumulatively installed nearly 40 gigawatts of solar capacity to power their operations. This shift is further amplified by the economic benefits of on-site generation, which offers a hedge against volatile energy markets. Reflecting this broader trend, according to the International Energy Agency, in 2024, distributed solar applications are projected to account for nearly half of total global photovoltaic expansion, highlighting the critical role of rooftop systems.

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Key Market Challenges

The limitation of existing grid infrastructure constitutes a formidable barrier to the Global Rooftop Solar EPC Market. As the volume of distributed photovoltaic systems accelerates, legacy electrical networks are increasingly unable to manage the technical complexities of interconnecting decentralized power sources. This physical incapacity results in significant procedural delays, denying EPC contractors the ability to finalize project commissioning and hindering the recognition of revenue tied to operational milestones. For engineering firms, these technical bottlenecks introduce severe unpredictability into project scheduling, often forcing them to absorb costs related to idle labor and inventory storage while awaiting utility interconnection approvals.

The magnitude of this constraint effectively caps the convertible market potential for EPC providers. According to the International Energy Agency, in its World Energy Investment 2025 report, approximately 205 GW of advanced-stage solar and wind capacity was stalled in grid connection queues globally in 2024. This substantial backlog indicates that a large volume of projects, having already cleared feasibility and design stages, are unable to come online. This dynamic directly hampers market growth by converting viable construction contracts into stranded assets, causing commercial and industrial clients to hesitate in approving new capital expenditures due to the high risk of indefinite interconnection delays.

Key Market Trends

The integration of Battery Energy Storage Systems (BESS) is shifting the market focus from standalone generation to holistic energy management. EPC contractors are increasingly designing hybrid architectures that allow clients to store excess solar production for evening use, effectively countering grid volatility. This technical evolution requires providers to acquire specialized expertise in load analysis and complex system sizing to meet the demand for energy resilience. According to Solar Builder, March 2025, in the 'Battery storage sales buoy sinking home solar market' article, residential energy storage deployments in the United States surged by 66% year-over-year in the fourth quarter of 2024, underscoring the rapid consumer shift toward resilient, paired technologies.

Simultaneously, the industry is witnessing a transition toward high-efficiency photovoltaic module technologies, specifically n-type TOPCon and bifacial variants, which maximize energy yield on constrained rooftops. This technological migration compels engineering teams to update procurement strategies and installation protocols to accommodate the distinct electrical characteristics and higher current ratings of these advanced modules. The speed of this adoption is significant; according to VDMA, April 2025, in the 'International Technology Roadmap for Photovoltaic (ITRPV) 16th Edition', n-type TOPCon technology captured a market share of approximately 60% in 2024, displacing legacy p-type PERC cells as the new industry standard for installation projects.

Segmental Insights

The Residential segment is currently positioned as the fastest-growing category within the Global Rooftop Solar EPC Market. This accelerated expansion is primarily driven by the sharp decline in photovoltaic component costs, which has made solar installations increasingly affordable for individual homeowners. Simultaneously, escalating utility electricity tariffs are incentivizing households to adopt self-generation strategies to ensure long-term cost savings. Government bodies globally are further supporting this momentum through favorable regulatory frameworks, such as investment subsidies and net metering schemes. Consequently, there is a surging demand for specialized engineering and construction services to deliver customized residential energy solutions.

Regional Insights

North America leads the Global Rooftop Solar EPC Market due to a robust regulatory framework and substantial government incentives that lower adoption barriers. The region benefits significantly from federal policies, such as the Investment Tax Credit, which reduce financial liabilities for residential and commercial installations. Furthermore, initiatives supported by the U.S. Department of Energy effectively promote grid integration and technology costs reduction. This supportive policy environment, combined with increasing corporate mandates for renewable energy compliance, secures North America's dominant position in the global sector.

Recent Developments

• In August 2025, JinkoSolar unveiled a new rooftop-optimized 48-cell module within its Tiger Neo series, utilizing high-efficiency N-type TOPCon 3.0 technology. This product launch was designed to revolutionize the residential market by delivering superior power output tailored for limited roof spaces. The module featured advanced cell architecture that enhanced performance under low-light conditions, addressing key challenges in residential installations. By introducing this specialized product, the company aimed to strengthen its position in the distributed generation sector and support the growing global demand for high-performance home energy solutions. The innovation underscored the manufacturer's commitment to advancing photovoltaic technology for rooftop applications.
• In November 2024, TotalEnergies ENEOS successfully completed the installation of a 2.2 megawatt-peak rooftop solar system for a leading chocolate confectionery producer in Indonesia. The project involved the deployment of over 3,700 solar modules, generating approximately 3,250 megawatt-hours of renewable electricity annually. Under this long-term agreement, the company fully funded and constructed the system, allowing the client to access clean energy without upfront capital expenditure. This development was expected to cover roughly 9% of the facility's power needs and reduce carbon dioxide emissions by approximately 2,600 tons per year, effectively demonstrating the value of onsite solar generation for industrial operations.
• In July 2024, Tata Power Renewable Energy Limited signed a Memorandum of Understanding with NHPC Renewable Energy Limited to spearhead the installation of rooftop solar projects on government buildings across India. This strategic partnership focused on achieving 100% solarization of central and state government offices by December 2025, aligning with national renewable energy schemes. The collaboration leveraged the combined technical and project management strengths of both entities to accelerate the deployment of distributed energy assets. This initiative was poised to significantly reduce the carbon footprint of the public sector while promoting sustainable energy adoption through efficient engineering and execution models.
• In March 2024, Gentari Renewables appointed a subsidiary of Solarvest Holdings to install rooftop solar power systems at over 300 service stations across Malaysia. This collaboration aimed to deploy approximately 5.4 MWp of solar capacity, which was scheduled to be fully operational by 2027. The project represented a significant commitment to decarbonizing retail fuel operations and contributing to national clean energy targets. By leveraging Solarvest’s engineering, procurement, and construction expertise, the initiative sought to reduce carbon emissions by an estimated 5,035 tons annually. This partnership highlighted the growing trend of integrating renewable energy solutions into existing commercial infrastructure to drive sustainability.

Key Market Players

• BELECTRIC GmbH
• Canadian Solar Inc
• CHINT Group
• CJR Group
• UAB Eternia Solar LT
• Goldi Solar Pvt Ltd.
• Jakson Group
• JUWI Group
• Mahindra Group
• Tata Power Solar Systems Limited

By Capacity	By End-User	By Region
Up to 1 kW 1 to 10 kW 10 to 50 kW 50 kW to 1 MW	Residential Commercial and Industrial	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Rooftop Solar EPC Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Rooftop Solar EPC Market, By Capacity:

• Up to 1 kW
• 1 to 10 kW
• 10 to 50 kW
• 50 kW to 1 MW

• Rooftop Solar EPC Market, By End-User:

• Residential
• Commercial and Industrial

• Rooftop Solar EPC Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE