|
Forecast
Period
|
2026-2030
|
|
Market
Size (2024)
|
USD
4.28 Billion
|
|
Market
Size (2030)
|
USD
6.17 Billion
|
|
CAGR
(2025-2030)
|
6.13%
|
|
Fastest
Growing Segment
|
1 to 10 kW
|
|
Largest
Market
|
China
|
Market Overview
The Asia-Pacific Rooftop Solar EPC Market was valued at USD 4.28 Billion in 2024 and
is expected to reach USD 6.17 Billion by 2030 with a CAGR of 6.13% during the
forecast period.
The Asia-Pacific Rooftop Solar EPC
(Engineering, Procurement, and Construction) market is witnessing substantial
momentum, fueled by growing energy consumption, rising environmental awareness,
and proactive government support for renewable energy. Rooftop solar solutions
are emerging as a highly efficient and cost-effective alternative to
traditional grid-based electricity, particularly in densely populated urban
areas where land availability for ground-mounted systems is limited. As
governments across the region intensify their commitment to carbon neutrality
and energy self-sufficiency, rooftop solar adoption is being accelerated
through favorable regulations, financial subsidies, and net metering
frameworks.
The market is further driven by the
declining cost of photovoltaic (PV) technology and the increasing affordability
of solar components. Advancements in module efficiency, inverter performance,
and energy storage integration have significantly improved the return on
investment for rooftop solar installations. EPC providers are capitalizing on
these advancements to offer turnkey solutions that reduce installation time,
improve reliability, and ensure optimal energy yields. The emergence of
innovative solutions such as automated panel cleaning systems and real-time
monitoring platforms has further boosted customer confidence and system
performance.
Commercial and industrial users
represent the largest market segment, given their focus on energy cost
optimization and sustainability targets. Large rooftops in manufacturing
facilities, office buildings, and retail establishments provide ample space for
solar panels, enabling organizations to lower their electricity bills and
reduce carbon footprints. Additionally, residential adoption is on the rise,
aided by low-interest financing schemes and increased consumer awareness of
long-term energy savings.
Countries such as China, India,
Australia, and Japan are leading the region's rooftop solar expansion, driven
by ambitious national targets and strong policy frameworks. Meanwhile, emerging
Southeast Asian nations are gaining traction as key growth frontiers, supported
by urbanization and rising electricity tariffs. As demand for clean,
decentralized energy grows, the Asia-Pacific Rooftop Solar EPC market is
expected to expand rapidly, creating numerous opportunities for EPC
contractors, technology providers, and investors across the value chain.
Key Market Drivers
Government Policy Support and Solar Incentives
Government initiatives and policy frameworks across
Asia-Pacific are a major driver of rooftop solar EPC adoption. Countries are
actively promoting rooftop solar through subsidy programs, tax benefits, net
metering policies, and renewable energy mandates aimed at reducing grid
dependence and achieving climate goals.
India’s government, under the Pradhan Mantri Surya
Ghar Yojana, is targeting 10 million rooftop solar connections for residential
users, offering financial subsidies to
households for system installation. Similarly, in China, policies mandate that 50%
of new public and commercial buildings integrate rooftop solar systems by 2025.
Australia has one of the highest rates of rooftop
solar penetration globally, with over 3.6 million rooftop solar systems
installed as of early 2024. Japan
and South Korea also offer feed-in tariffs and capital subsidies to accelerate
adoption. These initiatives are creating a favorable environment for EPC
contractors by generating consistent demand and reducing consumer acquisition
barriers.
Incentive-driven deployment ensures a predictable
pipeline for rooftop solar EPC providers, allowing them to scale operations,
reduce costs through economies of scale, and streamline installation services.
As governments continue to prioritize distributed energy systems, policy
support will remain a key growth enabler for the rooftop solar EPC market
across the region.
Declining Solar Component Costs
The consistent reduction in the cost of
photovoltaic components—particularly solar panels, inverters, and mounting
structures—is significantly driving rooftop solar EPC growth. Declining costs
make rooftop solar installations increasingly viable for both residential and
commercial users, enabling EPC firms to offer more competitively priced
packages.
Between 2010 and 2023, the average cost of
crystalline silicon PV modules dropped by approximately 85% across global
markets. In the Asia-Pacific region, system costs fell below USD 1,000 per
kilowatt for commercial rooftop installations in several countries, making
solar competitive with conventional energy sources.
The availability of low-cost, high-efficiency
panels from regional manufacturers—especially in China—has further reduced the
financial burden of system procurement for EPC players. Additionally,
innovations in inverter technology and battery storage have improved energy
output and reliability, enhancing the long-term value proposition of rooftop
systems.
These cost reductions directly influence project
feasibility and return on investment, increasing the number of viable
installations across industrial parks, commercial rooftops, and residential
buildings. As solar technology continues to evolve and prices decline, EPC
providers are better positioned to scale operations and serve a wider market
base across Asia-Pacific.
Corporate Sustainability Goals and Net-Zero Targets
Asia-Pacific businesses are increasingly investing
in rooftop solar as part of broader sustainability commitments and net-zero
carbon goals. Corporations are under growing pressure to decarbonize their
operations, reduce reliance on fossil fuels, and publicly report on
sustainability metrics. Rooftop solar is an accessible and measurable solution
that aligns with these objectives.
As of 2024, over 700 companies in the Asia-Pacific
region have set science-based targets aligned with climate goals, many of which
include direct investment in renewable energy. Manufacturing and logistics companies are leading adopters of rooftop
solar due to their large energy footprints and extensive rooftop space.
For example, a major textile manufacturer in
Bangladesh commissioned a 3 MWp rooftop solar system in 2024 to cut operating
costs and meet sustainability KPIs.
Similarly, companies across India and Southeast Asia are using rooftop solar to
power factories, warehouses, and data centers while improving ESG performance.
This corporate-led demand is generating sustained
project flow for rooftop solar EPC firms. Unlike residential projects,
corporate installations are larger in scale, enabling EPCs to secure long-term
contracts, develop custom solutions, and build strong client portfolios. As
more companies embrace sustainability and pursue on-site generation, rooftop
solar EPC providers are set to benefit from this accelerating corporate
transformation.
Urbanization and Rising Energy Demand
The Asia-Pacific region is home to several of the
fastest-growing urban centers globally. Rapid urbanization is driving increased
electricity demand, infrastructure strain, and the need for more decentralized,
sustainable energy solutions—creating strong market pull for rooftop solar EPC
services.
Urban population growth is expected to increase by
over 400 million people in Asia-Pacific cities by 2035. This population growth is fueling residential and
commercial construction, with rooftops becoming valuable real estate for solar
deployment in cities where land availability is limited.
In countries like Indonesia, Vietnam, and the
Philippines, electricity demand is growing at 6–8% annually, prompting governments and businesses to explore
distributed energy sources to supplement the grid. Rooftop solar is ideal for
densely populated areas as it generates electricity where it’s consumed,
minimizing transmission losses and grid congestion.
EPC companies are responding to this urban energy
challenge with tailored solutions for apartment complexes, schools, malls,
hospitals, and government buildings. Smart metering, compact designs, and
modular installation methods are also being adopted to adapt solar systems to
urban constraints. As cities grow and energy security becomes a higher
priority, rooftop solar EPC firms will play a vital role in shaping resilient
urban energy ecosystems.
Technological Advancements and Digital Integration
Technological innovations are significantly
enhancing the performance, management, and attractiveness of rooftop solar
systems. Advancements in solar panel efficiency, inverter functionality, and
digital integration are allowing EPC contractors to offer smarter, more
reliable, and cost-effective solutions.
New-generation solar modules now exceed 22%
efficiency rates, while inverters with AI-based algorithms optimize power
output and system health in real-time. The integration of Internet of Things
(IoT) platforms, remote monitoring systems, and mobile apps has improved system
transparency and consumer engagement.
Additionally, automated robotic cleaning
technologies and predictive maintenance software are being adopted in
industrial and commercial installations to ensure optimal performance over
time. For example, a recent 3 MWp rooftop system in South Asia included robotic
cleaning units that reduced performance loss due to dust accumulation by over 15%.
Battery storage technologies are also gaining
traction, with rooftop solar-plus-storage systems becoming more prevalent,
especially in regions facing grid instability or peak-time tariff structures.
These smart energy solutions are helping EPC providers differentiate their
offerings and provide end-users with greater control over energy production and
consumption.
As these technologies become more mainstream and
cost-effective, they will increase adoption rates and enhance project
economics—further strengthening the value proposition of rooftop solar EPC
services across the Asia-Pacific region.
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Key Market Challenges
Regulatory Fragmentation and Policy Inconsistencies
One of the most pressing challenges in the
Asia-Pacific Rooftop Solar EPC market is the fragmented and inconsistent
regulatory landscape across different countries and states. While some nations
such as India and Australia have clear national solar policies, others operate
with decentralized frameworks where local governments regulate solar adoption.
This patchwork of policies creates confusion and uncertainty for EPC companies
operating in multiple regions.
In countries like Indonesia or the Philippines,
rooftop solar deployment often requires approvals from multiple authorities,
including energy boards, municipal governments, and utility companies. These
procedures delay project timelines and inflate costs, discouraging EPC
providers from expanding operations in such markets.
Even within a single country, frequent policy
changes and revisions to net metering rules, feed-in tariffs, or subsidy
disbursement schedules can disrupt business models. For instance, sudden
reductions in incentive rates or delays in subsidy payments adversely impact
cash flow and return on investment for both EPCs and customers.
Additionally, in some emerging markets, there is a
lack of clear standardization and quality certification for rooftop solar
components and services. This hinders the development of a mature, transparent
market where EPC providers can compete fairly based on quality and innovation.
EPC firms must often adapt their solutions to local compliance needs, which
increases overhead and reduces economies of scale.
To mitigate this challenge, industry stakeholders
need better coordination between central and local governments, greater
regulatory transparency, and consistent policy support to provide EPC firms
with the confidence and framework to invest long-term. Without regulatory
harmonization, the Asia-Pacific rooftop solar EPC market may face uneven growth
despite the strong regional demand for clean energy.
Financing Barriers and Customer Credit Risk
Access to affordable and reliable financing remains
a key bottleneck in the Asia-Pacific rooftop solar EPC market, especially in
residential and SME segments. While solar EPC services are capital-intensive
and require upfront investment, many end-users lack the ability or willingness
to make large initial payments, especially in price-sensitive developing
economies.
Many households and small commercial businesses
find it difficult to secure loans due to lack of formal credit history,
inadequate collateral, or complex loan approval processes. This issue is
particularly prevalent in Southeast Asia and South Asia, where informal
economies dominate and banking penetration remains uneven.
For EPC companies, offering deferred payment models
or solar-as-a-service solutions increases exposure to credit risk. Uncertain
repayment rates, defaults, or delayed collections affect the financial
viability of projects and deter long-term investments. Furthermore, high
interest rates and limited financial innovation in some regions restrict the
availability of solar-specific lending products.
In countries where green finance initiatives do
exist, awareness among customers remains low, and disbursement procedures are
often bureaucratic and time-consuming. The lack of tailored loan schemes for
rooftop solar—especially for small-scale installations—continues to limit
project flow for EPC contractors.
To overcome this challenge, partnerships between
EPC providers, banks, and development finance institutions are essential to
create accessible, low-risk financing solutions. Digital lending, credit
guarantees, and government-backed loan subsidies could also help reduce
barriers. However, until financing ecosystems mature across the region, EPC
players will face significant friction in expanding rooftop solar adoption at
scale.
Grid Integration and Infrastructure Limitations
As rooftop solar capacity grows in Asia-Pacific,
the challenge of integrating distributed generation into existing grid
infrastructure becomes more pronounced. Many countries in the region have aging
or underdeveloped electrical grids that were not designed for bi-directional
energy flow. This creates technical bottlenecks that affect the deployment and
performance of rooftop solar systems.
In densely populated urban areas like Manila,
Mumbai, or Jakarta, the local distribution network often operates near
capacity, making it difficult for utilities to accommodate additional rooftop
solar systems without upgrading infrastructure. Grid saturation in
high-penetration zones can result in voltage fluctuations, back-feed risks, and
reduced system efficiency.
EPC firms face limitations in implementing projects
where grid stability is questionable or where utilities impose restrictive
technical requirements, such as limiting export capacity or mandating
curtailment. These technical challenges delay commissioning, add engineering
complexity, and in some cases, lead to project cancellations.
Moreover, in rural and peri-urban regions, the
absence of modern metering infrastructure or transformer upgrades hampers net
metering implementation. EPC providers must often bear additional costs for
technical studies, grid assessments, or equipment upgrades, which strain
project margins.
Some utilities also resist rooftop solar adoption
due to perceived revenue loss, creating regulatory friction and limiting
cooperation. Without significant investment in grid modernization, including
smart meters and flexible infrastructure, the growth of rooftop solar
installations will remain constrained.
Therefore, resolving grid integration challenges
requires stronger collaboration between EPC providers, utilities, and
regulators. Investments in digital grid management, demand response systems,
and decentralized storage will be critical to enabling high-volume rooftop
solar adoption across Asia-Pacific.
Skilled Workforce Shortage and Quality Concerns
The Asia-Pacific rooftop solar EPC market is facing
an acute shortage of skilled labor across several countries, which is hampering
the pace and quality of installations. The rapid growth of the solar sector has
outpaced the development of a trained and certified workforce capable of
executing complex rooftop EPC projects at scale.
In markets like India, Vietnam, and Indonesia, EPC
providers report challenges in sourcing qualified electricians, system
designers, and solar engineers—especially outside major urban centers. This
leads to inconsistent installation practices, longer commissioning times, and
higher operational costs. Inadequate training also increases the risk of system
failures, poor output, and safety hazards.
Furthermore, the lack of standardized vocational
training programs, certification frameworks, and quality audits results in a
fragmented labor market. Smaller EPC firms or subcontractors often rely on
informal labor, which raises concerns about compliance and after-sales service
capabilities.
The issue extends beyond installation to
post-installation operations such as monitoring, maintenance, and repairs. Many
end-users face difficulties in receiving timely support or upgrades due to
workforce constraints, which erodes customer trust and affects EPC firm
reputations.
To address this challenge, governments and industry
associations must invest in solar-specific workforce development programs.
Offering skill certifications, continuous training modules, and quality audits
will help raise industry standards and support long-term scalability.
Until a qualified and widespread talent pool is
developed across the region, EPC providers will struggle to maintain
consistency, scale efficiently, and ensure customer satisfaction—especially as
project volumes and technical complexity continue to rise.
Land and Rooftop Space Constraints in Urban Areas
Despite the high potential for rooftop solar
adoption in cities, space constraints and structural limitations often impede
project implementation. In densely populated Asia-Pacific urban centers such as
Tokyo, Hong Kong, and Bangkok, rooftop areas are limited, fragmented, or
structurally unsuitable for solar installation.
Many older buildings lack the load-bearing capacity
to support solar panel installations without expensive retrofitting. In
multi-tenant buildings, legal and ownership complexities make it difficult to
obtain the necessary permissions from all stakeholders. This is a significant
hurdle for EPC companies targeting the residential and small commercial
segments in metropolitan areas.
Moreover, in high-rise environments or shared
apartment complexes, limited roof access and competition with other utilities
such as HVAC units, water tanks, and communication antennas restrict usable
rooftop space. As a result, the per-building solar potential is often lower
than the energy consumption requirement, reducing project attractiveness.
Even where space is available, shading from nearby
buildings or trees can significantly reduce solar output, complicating system
design and decreasing ROI. These technical constraints make urban rooftop
projects more challenging and costly to execute.
To work around these issues, EPC providers must
invest in advanced system design tools, shading analysis software, and
customized racking solutions, which increase project cost and complexity.
Rooftop rental models, community solar, and building-integrated photovoltaics
(BIPV) offer alternatives but are not yet widely adopted.
Thus, despite urban energy demand being high,
spatial and architectural constraints continue to be a barrier. Addressing
these challenges will require innovative business models, regulatory
flexibility, and greater collaboration among property owners, governments, and
EPC contractors.
Key Market Trends
Integration of Digital Technologies in EPC
Workflows
Digital transformation is emerging as a key enabler
in enhancing the operational efficiency and scalability of rooftop solar EPC
companies across the Asia-Pacific region. From site survey and system design to
installation and performance monitoring, digital tools are increasingly being
embedded across the EPC lifecycle.
Advanced software platforms such as drone-based
surveying, 3D modeling, and remote shading analysis tools are now widely used
to optimize rooftop layouts, reduce design errors, and accelerate project
approvals. This leads to reduced lead times and better accuracy in estimating
system performance, which is critical in densely packed urban environments.
On the installation front, digital project
management systems are streamlining logistics, labor coordination, and supplier
scheduling—allowing EPC companies to execute more projects in less time.
Real-time data tracking during installation helps in identifying bottlenecks
early and ensures smoother project handover.
Post-installation, Internet of Things (IoT)-enabled
monitoring systems allow EPC firms to track energy output, detect faults, and
manage predictive maintenance remotely. This capability is particularly
valuable in regions where servicing access is limited or costly. Many EPC
players now offer integrated performance dashboards and mobile apps to
customers, increasing transparency and satisfaction.
Data analytics is also enhancing financial
forecasting, helping EPC firms plan procurement, evaluate return on investment
models, and structure tailored financing packages. Artificial intelligence and
machine learning are starting to be used in system optimization and fault
prediction.
This growing digital integration is improving
quality control, reducing costs, and boosting scalability—factors critical to
the growth of rooftop solar in Asia-Pacific. As competition intensifies, EPC
firms that embrace digital tools will be better positioned to deliver value,
scale rapidly, and remain profitable in an evolving solar ecosystem.
Transition Toward Solar + Storage Solutions
A notable trend shaping the Asia-Pacific rooftop
solar EPC market is the increasing integration of battery energy storage
systems (BESS) alongside rooftop photovoltaic installations. The solar +
storage model is gaining traction across commercial, industrial, and even
residential segments, driven by the need for energy reliability, grid
independence, and peak load management.
Frequent power outages, grid instability, and
fluctuating electricity prices in several countries such as the Philippines,
India, and Sri Lanka are prompting businesses and homeowners to invest in
battery-backed rooftop solar systems. EPC providers are adapting by bundling
energy storage with solar projects to offer uninterrupted power supply,
especially for mission-critical facilities.
The declining cost of lithium-ion batteries is
making solar + storage systems more economically feasible. As battery prices
continue to fall, EPC companies are expanding offerings that include hybrid
inverters, smart controllers, and battery monitoring platforms, enabling
customers to maximize solar usage and minimize reliance on grid power during
peak hours.
Additionally, policy support for storage-enabled
solar systems is gradually improving across the region. Government incentives,
pilot programs, and energy arbitrage opportunities are encouraging commercial
users to deploy larger rooftop systems with behind-the-meter storage. EPC firms
with in-house storage expertise or strong supplier partnerships are gaining
competitive advantage.
For EPC players, integrating storage into projects
requires upgraded technical capabilities, new design standards, and added
regulatory compliance, but it also opens higher-margin service opportunities.
These include energy optimization, demand response participation, and long-term
O&M contracts.
As energy consumption patterns become more dynamic
and reliability-focused, the rooftop solar + storage model is likely to become
a standard offering. This trend will significantly shape the direction of
rooftop EPC services across Asia-Pacific in the coming years.
Rise of Third-Party Ownership and Leasing Models
Third-party ownership (TPO) and leasing models are
rapidly gaining traction in the Asia-Pacific rooftop solar EPC market,
especially in commercial and SME sectors. Under these models, customers avoid
the burden of upfront capital expenditure by allowing a third party—typically
an EPC firm or investor—to finance and own the solar system while the customer
pays a monthly fee or a per-kWh charge.
This shift is enabling a broader customer base to
access rooftop solar, particularly those with limited liquidity or aversion to
long-term capital investments. It’s gaining popularity in countries like India,
Malaysia, and Thailand, where financial institutions are partnering with EPC
firms to offer attractive Power Purchase Agreements (PPAs) or lease-to-own
schemes.
For EPC players, this model allows them to
establish long-term customer relationships and recurring revenue streams
through O&M contracts and energy billing services. It also increases
overall project volume, as more customers can participate without the capital
barrier.
The TPO model is particularly suited for industrial
parks, malls, and office complexes that seek predictable energy costs and
minimal maintenance responsibility. Customers benefit from immediate savings
and system performance guarantees, while EPC providers diversify their business
model into energy service companies (ESCOs).
However, this trend also pushes EPC firms to
collaborate with investors, banks, and asset management entities to secure
project funding and manage energy sales. Strong financial structuring and risk
management are essential.
As rooftop solar adoption expands, third-party
ownership and leasing models are expected to play a critical role in driving
inclusive growth. They reduce market entry barriers, especially in developing
Asia-Pacific economies, and position EPC providers as long-term energy partners
rather than one-time service vendors.
Government-Led Urban Solarization Initiatives
Several Asia-Pacific governments are rolling out
large-scale rooftop solarization initiatives in urban areas to meet climate
targets, reduce grid pressure, and encourage distributed energy. These top-down
programs are creating significant business opportunities for EPC firms
specializing in rooftop installations.
Urban solar mandates for government buildings,
public housing, and municipal infrastructure are becoming common across cities
in India, Australia, Singapore, and Japan. These initiatives typically come
with structured tenders, subsidies, and net metering benefits, facilitating
predictable project pipelines for EPC providers.
For instance, smart city projects across the region
are integrating rooftop solar into broader sustainability strategies that
include electric vehicle charging, battery storage, and IoT-enabled energy
management. EPC companies with multidisciplinary expertise are well-positioned
to deliver comprehensive urban energy solutions under these schemes.
In addition, public-private partnerships (PPPs) are
emerging as a preferred model to implement urban rooftop projects. EPC
providers collaborate with utility companies, municipalities, or housing
authorities to deploy and maintain rooftop solar at scale. These partnerships
often include performance-based contracts, ensuring accountability and
long-term engagement.
Moreover, governments are using digital platforms
to streamline application processes, approvals, and subsidy disbursements,
improving transparency and project turnaround time. EPC companies that adapt to
these e-governance systems gain a first-mover advantage in capturing city-level
opportunities.
This trend toward urban solarization not only
boosts rooftop solar penetration but also encourages innovation in design,
installation, and monitoring processes. As more cities commit to renewable
energy transitions, urban rooftop solar EPC will become a cornerstone of
Asia-Pacific’s energy transformation.
Segmental Insights
Capacity Insights
10 to 50 kW segment dominated in the Asia-Pacific Rooftop Solar EPC market
in 2024 due to its optimal
alignment with the needs of small to mid-sized commercial and institutional
buildings, as well as affluent residential consumers. This segment strikes a
balance between capacity, cost, and scalability, making it highly attractive
across a diverse range of end users.
Small and medium enterprises (SMEs),
educational institutions, hospitals, and apartment complexes throughout
Asia-Pacific are increasingly opting for solar systems in this capacity range.
These users typically have available rooftop space and moderate energy demands,
making 10–50 kW installations cost-effective while ensuring substantial energy
savings. Moreover, rising electricity prices and a focus on sustainability
goals are pushing these entities to adopt solar energy to reduce operational
costs and carbon footprints.
In urban and semi-urban areas,
especially in India, Vietnam, Thailand, and the Philippines, the 10–50 kW
capacity range meets net metering thresholds and local regulatory caps for
rooftop installations, simplifying approvals and grid integration. This has
made them a preferred option for EPC providers seeking to minimize complexity
while maximizing deployment efficiency.
From an EPC perspective, systems within
this capacity range offer predictable design and installation workflows. These
projects are large enough to benefit from economies of scale but small enough
to avoid the heavy permitting and engineering requirements typical of
higher-capacity systems. As a result, EPC firms can offer faster project
turnaround and better margins.
In addition, financing options—including
third-party leasing and government subsidies—are often tailored to support this
capacity segment, encouraging wider adoption among cost-sensitive customers.
This segment’s compatibility with battery storage add-ons and smart monitoring
systems further enhances its appeal, especially as grid reliability concerns
grow.
Collectively, these factors have
positioned the 10–50 kW segment as the dominant force in the Asia-Pacific
Rooftop Solar EPC market in 2024, reflecting both practical deployment
considerations and growing demand for distributed solar energy.
End-User Insights
Residential segment dominated in the Asia-Pacific Rooftop Solar EPC
market in 2024 due to rising energy costs, supportive government policies, and
a growing environmental consciousness among homeowners. Across key markets such
as India, China, Japan, and Australia, residential rooftop solar adoption has
seen significant acceleration as households seek greater energy independence
and long-term cost savings.
In countries like India, government-led schemes
such as the Pradhan Mantri Surya Ghar Yojana have incentivized residential
users with upfront subsidies, tax benefits, and streamlined financing options.
As a result, more homeowners are turning to solar energy to reduce reliance on
expensive grid electricity. The increasing availability of easy EMI options
through partnerships between EPC players and banks has further boosted
affordability and adoption.
Technological advancements in compact solar modules
and integrated battery storage have also made residential systems more
efficient and easier to install, especially in space-constrained urban
environments. These improvements have broadened the target customer base for
EPC providers, allowing them to deliver tailor-made solutions for different
household types, from single-story houses to multi-family buildings.
In dense metropolitan regions, where electricity
consumption is high, rooftop solar systems help reduce peak load demand,
leading to reduced monthly energy bills. Net metering policies in many
Asia-Pacific countries allow homeowners to sell surplus energy back to the
grid, further improving return on investment.
Moreover, climate change awareness is influencing
personal energy choices. Many residential consumers are choosing solar energy
not only for its economic benefits but also to contribute to a sustainable
future. This shift in mindset is driving organic demand growth in the sector.
The convergence of cost-effectiveness, favorable
policy frameworks, and increasing consumer interest has firmly established the
residential segment as the leading contributor to rooftop solar EPC
installations in Asia-Pacific in 2024, a trend that is expected to persist
throughout the forecast period.
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Country Insights
Largest Country
China dominates the Asia-Pacific Rooftop Solar EPC
market in 2024 due to a
combination of policy-driven momentum, massive manufacturing capacity,
technological leadership, and a rapidly expanding residential and commercial
user base. The Chinese government's strategic push toward achieving carbon
neutrality by 2060 has significantly bolstered investments in distributed solar
energy, especially rooftop installations.
In 2024, China's "Whole County
Rooftop Solar Pilot Program" continues to accelerate rooftop solar
deployment by promoting solar installations across entire counties. This
initiative mandates local governments to install solar systems on a large
percentage of public buildings, industrial zones, and residential rooftops. As
of early 2024, several provinces had already achieved gigawatt-scale rooftop
additions under this program, fueling demand for Engineering, Procurement, and
Construction (EPC) services.
China’s dominance is also driven by its
unparalleled manufacturing base. The country produces over 70% of the world’s
solar panels, which drastically reduces costs and ensures supply chain control.
This vertical integration advantage allows Chinese EPC firms to offer
competitive turnkey rooftop solar solutions at lower costs than their regional
counterparts.
The rising demand from both residential
and commercial sectors is another crucial factor. Rooftop solar has become
particularly attractive in China’s Tier 1 and Tier 2 cities where electricity
costs are high and rooftop space is underutilized. With support from net
metering and favorable feed-in tariff policies in several regions, customers
are increasingly motivated to invest in rooftop solar to cut electricity bills
and even generate passive income by feeding excess power into the grid.
Additionally, the presence of major EPC
firms such as Sungrow, Trina Solar, and Huawei Digital Power, along with local
partnerships, ensures that large-scale and small-scale rooftop projects are
executed efficiently. Combined, these factors solidify China’s leadership in
the Asia-Pacific Rooftop Solar EPC market in 2024.
Emerging Country
Japan was the emerging country in the Asia-Pacific Rooftop
Solar EPC market in the coming period due
to its strong policy support, high electricity prices, and limited land
availability favoring rooftop solutions. The government’s Green Growth Strategy
aims to achieve net-zero emissions by 2050, encouraging decentralized solar
adoption. Residential and commercial sectors are increasingly adopting rooftop
solar systems to reduce energy costs and enhance energy security. Additionally,
advancements in storage technologies and building-integrated photovoltaics
(BIPV) are driving innovation. Japan's mature technology ecosystem and skilled
EPC players position it as a promising and expanding market for rooftop solar
in the coming years.
Recent Developments
- In January 2025, Vikram Solar secured a 1 GW solar
module supply order, committing to providing its advanced Hypersol N-Type
Glass-to-Glass Modules, each with a capacity of 580 Wp or more. These modules
are designed to deliver superior efficiency, making them well-suited for
large-scale solar installations.
- In May 2024, Sunel Group and Ameresco entered into
a strategic partnership for the Delfini project by Cero Generation in northern
Greece. This 100 MW project emphasizes both innovation and sustainability,
integrating solar PV modules into challenging terrains. The collaboration
includes Trina Solar for high-quality PV modules, Sungrow Supply Co., Ltd. for
advanced inverters and MV stations, Mevaco for durable mounting structures, and
Inaccess by Power Factors for an innovative SCADA system.
- In February 2025, Tata Power Renewable Energy
Limited (TPREL), a subsidiary of The Tata Power Company Limited, signed a
Memorandum of Understanding (MoU) with Bank of Baroda to offer affordable
financing solutions for residential rooftop solar installations under the
Pradhan Mantri Surya Ghar Yojana (PMSGY). This partnership aims to accelerate
rooftop solar adoption in India, providing accessible financing options for
households, thereby supporting the nation’s renewable energy transition and
sustainability goals.
- In February 2025, Solar EPC Development Ltd, a
prominent solar project developer, installed a 3 MWp rooftop solar system at
Rising Spinning Mills Ltd in Manikganj. This project marks a significant
milestone in industrial energy transition, incorporating advanced automated
robotic cleaning technology to enhance solar panel efficiency and ensure
long-term performance.
Key
Market Players
- Tata Power Solar Systems Ltd.
- Sungrow Power Supply Co.,
Ltd.
- Adani Solar
- CleanMax Enviro Energy
Solutions Pvt. Ltd.
- Trina Solar Limited
- LONGi Green Energy
Technology Co., Ltd.
- Sungreen Power and Renewable
Energy Pvt. Ltd.
- NTPC Renewable Energy Ltd.
- Canadian Solar Inc.
- Risen Energy Co., Ltd.
|
By Capacity
|
By End-User
|
By Country
|
- Up to 1 kW
- 1 to 10 kW
- 10 to 50 kW
- 50 kW to 1 MW
|
- Residential
- Commercial
- Industrial
|
- China
- Japan
- India
- South Korea
- Australia
- Singapore
- Thailand
- Malaysia
|
Report Scope:
In this report, the Asia-Pacific Rooftop Solar EPC
Market has been segmented into the following categories, in addition to the
industry trends which have also been detailed below:
- Asia-Pacific Rooftop Solar EPC Market,
By Capacity:
o Up to 1 kW
o 1 to 10 kW
o 10 to 50 kW
o 50 kW to 1 MW
- Asia-Pacific Rooftop Solar EPC Market,
By End-User:
o Residential
o Commercial
o Industrial
- Asia-Pacific Rooftop Solar EPC Market, By Country:
o China
o Japan
o India
o South Korea
o Australia
o Singapore
o Thailand
o Malaysia
Competitive Landscape
Company Profiles: Detailed analysis of the major companies present in the Asia-Pacific
Rooftop Solar EPC Market.
Available Customizations:
Asia-Pacific Rooftop Solar EPC Market report
with the given market data, TechSci Research offers customizations according
to a company's specific needs. The following customization options are
available for the report:
Company Information
- Detailed analysis and profiling of additional
market players (up to five).
Asia-Pacific Rooftop Solar EPC Market is an
upcoming report to be released soon. If you wish an early delivery of this
report or want to confirm the date of release, please contact us at [email protected]