The global shift toward cleaner power generation is accelerating investments in solar, wind, hydropower, bioenergy, energy storage, and decentralized electricity systems. Governments, utilities, corporations, and infrastructure developers are increasingly incorporating renewable power into their long-term energy strategies as electrification expands across transportation, manufacturing, commercial buildings, and residential applications.
Renewable energy companies are responding to this transition by expanding generation capacity, investing in offshore and onshore wind projects, developing large-scale solar facilities, integrating battery storage, and exploring emerging technologies such as green hydrogen and hybrid renewable systems. Corporate power purchase agreements, grid modernization programs, clean-energy policies, and declining renewable generation costs are also creating opportunities for companies operating across the renewable energy value chain.
According to Global Growth Insights, the global Renewable Energy Industry was valued at USD 948.71 billion in 2025 and is projected to increase from USD 1,035.04 billion in 2026 to USD 1,129.23 billion in 2027, eventually reaching USD 2,266.63 billion by 2035. The industry is expected to record a CAGR of 9.1% during 2026–2035.
Solar energy represents more than 30% of renewable energy adoption, while wind contributes about 27%. At the regional level, Asia-Pacific accounts for 42% of the Industry, followed by Europe with 29%, North America with 21%, and the Middle East & Africa with 8%.
What Strategies Are Renewable Energy Companies Using to Strengthen Their Position?
Major renewable energy companies are increasingly diversifying their generation portfolios instead of depending on a single technology. Solar PV, onshore and offshore wind, hydropower, battery storage, green hydrogen, smart-grid solutions, and hybrid renewable projects are becoming important areas of investment.
Companies are also expanding through strategic partnerships, acquisitions, power purchase agreements, regional capacity additions, technology upgrades, and digital energy-management platforms. Growing demand for decentralized electricity is encouraging further investment in rooftop solar, microgrids, storage-backed renewable systems, and renewable solutions for industrial customers.
Energy storage is becoming particularly important as renewable penetration increases. Storage capacity associated with renewable power systems has grown by nearly 40%, while hybrid renewable systems recorded a 22% rise in adoption in the latest reporting cycle covered by the Industry study.
10 Prominent Renewable Energy Companies and Their Role in the Industry
1. Enel
Enel is one of the prominent companies operating across the global renewable power industry, with activities spanning solar, wind, hydropower and other clean-energy technologies. The company continues to expand renewable generation infrastructure while integrating storage and digital technologies that can improve grid reliability.
According to the Renewable Energy Industry report, Enel added more than 1.2 GW of renewable capacity across Latin America in 2023. Solar projects represented more than 35% of these additions and wind accounted for 28%. The company also increased the integration of battery-storage units by 22%, supporting greater operational flexibility across renewable projects.
2. Iberdrola
Spain-headquartered Iberdrola has developed a substantial renewable energy portfolio with a particularly strong presence in wind power. The company operates across renewable generation, electricity networks and energy services while continuing investments in offshore wind and other low-carbon infrastructure.
The report states that Iberdrola represents nearly 11% of wind energy capacity share within the renewable energy landscape examined. In 2024, the company completed commissioning of a major offshore wind development exceeding 800 MW, increasing its offshore wind portfolio by 18%. About 25% of the project's turbine components were locally sourced.
3. China Three Gorges Corporation
China Three Gorges Corporation is a major renewable electricity producer with a particularly significant position in hydropower. Its clean-energy portfolio has increasingly expanded beyond conventional hydropower into solar, wind and other renewable generation technologies.
Global Growth Insights reports that China Three Gorges Corporation accounts for about 18% of global hydropower capacity share within the analysis. The company has also expanded floating photovoltaic deployment across reservoir surfaces. Its 2023 floating solar developments increased floating PV capacity by 21%, demonstrating the growing role of water-based solar installations where land availability is constrained.
4. ACCIONA
ACCIONA participates across renewable power development and sustainable infrastructure, with investments spanning wind, solar and emerging clean-energy technologies. The company has increasingly explored solutions that connect renewable electricity generation with industrial decarbonization.
Green hydrogen is one of the areas gaining attention. According to the Industry report, ACCIONA initiated a green hydrogen pilot plant in 2023 based on 100% solar-powered electrolysis. The initiative recorded a 19% increase in hydrogen-yield efficiency and helped demonstrate how renewable electricity can support clean-fuel production for industrial applications.
5. Invenergy
Invenergy develops and operates renewable and clean-energy infrastructure, including solar, wind and energy-storage assets. Hybridization has become increasingly important to its development strategy as renewable projects require greater flexibility and the ability to respond to changing electricity demand.
In 2024, Invenergy implemented projects integrating wind, solar and battery storage across four new North American energy parks. According to the report, these hybrid projects improved total generation efficiency by 27% while supporting more flexible load balancing.
6. RWE Group
RWE Group is active across renewable electricity generation and energy infrastructure, with investments spanning onshore wind, offshore wind, solar and storage. Its renewable activities reflect the wider shift among established power companies toward larger portfolios of low-carbon generation.
Offshore wind is becoming especially important across Europe, where the technology accounts for more than 36% of regional renewable capacity according to the Renewable Energy Industry report. Continued investment in utility-scale wind, solar and supporting grid infrastructure is creating additional development opportunities for companies such as RWE.
7. Vattenfall AB
Vattenfall is another major European power company expanding its presence in renewable electricity. Its clean-energy activities include wind, solar and hydroelectric generation, alongside broader electrification initiatives designed to reduce emissions from power and industrial operations.
European renewable development remains supported by strong policy frameworks and infrastructure investment. More than 58% of the region's energy investment is now directed toward clean and renewable sources, while solar PV installations have increased by 31% across important European Industrys. These conditions provide an expanding operating environment for renewable developers and utilities including Vattenfall.
8. Tata Power
Tata Power is an important participant in India's evolving electricity sector and is included among the major companies profiled in the Renewable Energy Industry report. Its presence across renewable generation reflects the rapid build-out of solar and wind infrastructure throughout Asia-Pacific.
Asia-Pacific represents the largest regional share of the renewable energy industry at 42%, supported particularly by large-scale solar and wind deployment in China and India. Solar accounts for more than 41% of regional renewable capacity, while wind contributes about 29%, creating substantial opportunities for renewable developers serving expanding electricity demand.
9. Duke Energy
Duke Energy is among the North American utility companies participating in the expansion of renewable electricity generation and grid infrastructure. The transition toward larger amounts of solar, wind and storage capacity is increasingly influencing utility investment strategies across the region.
More than 48% of newly added power capacity in North America comes from renewable sources, according to the Industry study. Battery storage connected with renewable power plants has also increased by 44%, helping utilities manage variable solar and wind generation while improving grid flexibility.
10. China Huaneng Group
China Huaneng Group is included among the major renewable energy companies profiled by Global Growth Insights. The company participates in China's broad energy-generation landscape while renewable capacity additions continue to accelerate across the country's electricity system.
Its operating environment is supported by Asia-Pacific's extensive renewable infrastructure development. Across the region, rural electrification initiatives have contributed to a 33% rise in off-grid renewable projects, while 38% of city-level utilities are deploying renewable-based systems as electricity networks become increasingly modernized and digitally managed.
What Is Driving the Expansion of Renewable Energy Companies?
One of the strongest growth factors is the rising integration of renewable electricity into national power grids. More than 50% of utility providers covered in the study are integrating solar and wind directly into electricity networks, while smart-grid infrastructure supporting intermittent renewable generation has expanded by 43%.
Investment is another major catalyst. More than 62% of total energy investments referenced by the report are being directed toward renewable infrastructure. Solar receives roughly 44% of renewable investment, while wind attracts about 36%. Investment in battery energy storage has increased by more than 35%, reflecting the growing need to balance variable renewable generation.
Corporate procurement is also strengthening demand. More than 47% of corporate power purchase agreements are now associated with renewable electricity sources. Businesses are increasingly using long-term renewable contracts to support decarbonization objectives, manage electricity sourcing, and improve access to clean energy.
Solar, Wind and Energy Storage Set to Reshape the Competitive Landscape
Solar power is expected to remain one of the central technologies influencing renewable industry expansion. Solar already represents more than 30% of renewable adoption, while rooftop installations have increased by 26%. Utility-scale projects are also expanding across regions with favorable land availability and solar resources.
Wind power represents another major component, contributing roughly 27% of the renewable energy mix. Offshore wind installations have risen by more than 18%, encouraging investment in larger turbines, offshore transmission networks, specialized vessels, and supporting port infrastructure.
Energy storage is increasingly connecting these technologies. Battery systems enable developers and utilities to store electricity produced during periods of strong solar irradiation or wind generation and discharge it when demand increases. The integration of solar, wind and storage is consequently creating opportunities for hybrid renewable plants capable of delivering more consistent electricity output.
Decentralized Renewable Energy Creates New Growth Opportunities
Renewable generation is also moving closer to consumers. About 33% of rural electrification programs cited in the report are supported by decentralized renewable systems, while demand for solar microgrids has risen by 29%. Rooftop solar installations have increased by 26%, expanding opportunities beyond traditional centralized utility projects.
Decentralized generation is particularly important in areas where conventional grid expansion is costly or technically difficult. Solar-plus-storage systems, microgrids, small-scale wind installations and renewable-powered commercial facilities can provide local electricity while reducing dependence on centralized generation infrastructure.
Challenges Renewable Energy Companies Need to Address
Despite rapid expansion, renewable energy developers continue to encounter supply-chain, grid and infrastructure constraints. Nearly 47% of manufacturers covered by the study report supply-chain disruptions affecting project schedules. Critical materials used in solar modules, wind turbines and battery systems can also face geographic concentration and trade-related risks.
Grid integration presents another issue. More than 35% of energy transmission infrastructure cited in the report remains insufficiently prepared to accommodate large volumes of variable renewable electricity. This increases the need for transmission investment, storage facilities, digital load management and more flexible electricity networks.
Permitting processes, logistics costs, raw-material availability and changing regulatory frameworks can also influence project economics and deployment schedules. Companies capable of combining renewable generation with energy storage, grid-management technologies and diversified procurement strategies may be better positioned to respond to these operating challenges.
Renewable Energy Industry Outlook
The renewable energy industry is entering a period of accelerated infrastructure development as solar, wind, hydropower, bioenergy and storage become increasingly integrated into electricity systems worldwide. The industry's projected expansion from USD 1,035.04 billion in 2026 to USD 2,266.63 billion by 2035, at a 9.1% CAGR, highlights the scale of investment expected across clean-energy technologies.
Asia-Pacific currently accounts for 42% of the global Industry, while Europe holds 29%, North America 21%, and the Middle East & Africa 8%. Regional strategies differ, but investment in solar, wind, storage, transmission infrastructure and decentralized power systems is strengthening across all major Industrys.
For companies such as Enel, Iberdrola, China Three Gorges Corporation, ACCIONA, Invenergy, RWE, Vattenfall, Tata Power, Duke Energy and China Huaneng Group, future opportunities are increasingly tied not only to installing additional renewable capacity but also to building integrated energy ecosystems. Battery storage, smart grids, green hydrogen, hybrid power plants, digital energy management and distributed generation are likely to play increasingly important roles as renewable electricity becomes a larger component of the global energy system.
For a more detailed assessment of Industry size, segmentation, regional opportunities, competitive developments and the outlook through 2035, explore the complete Renewable Energy Industry report from Global Growth Insights.