Clean Energy Market Report 2025: Key Data & Innovation Insights

​The Clean Energy Market Report 2025 highlights the major role of renewable technologies in improving the global energy landscape. ​Innovations in solar energy, such as perovskite tandem cells and bifacial panels, are improving efficiency and energy capture.

Similarly, advances in wind turbines and battery storage, like floating offshore farms and longer-lasting systems, are improving how energy producers, consumers, and policymakers interact. The report offers stakeholders, including investors, policymakers, and analysts, a detailed overview of the market’s current health and projected growth trajectory.

Executive Summary: Clean Energy Market Outlook 2025

• Industry Growth Overview: The clean energy market has over 165 000 companies and 8450+ startups. It is expected to grow to USD 2231.4 billion by 2031 at a compound annual growth rate (CAGR) of 10.7%. On a granular level, the market has experienced a growth rate of 3.05% over the past year as per our platform’s latest data.
• Manpower & Employment Growth: The market employs over 23 million individuals globally, with an increase of 1 million+ new jobs added in the last year.
• Patents & Grants: The clean energy market features over 963 770+ patents and 23 820+ grants. The patent growth rate is 6.01% yearly, with China and the United States leading in patent issuance.
• Global Footprint: Key hubs for the clean energy market include the United States, the United Kingdom, Germany, India, and Spain, showcasing a diverse global infrastructure supporting market growth. Major city hubs encompass London, New York City, Sydney, Melbourne, and Singapore.
• Investment Landscape: The average investment value per funding round exceeds USD 81 million, with over 53 420 funding rounds closed. More than 29K investors are actively engaged in the clean energy market.
• Top Investors: Major investors include the European Investment Bank, KKR, US Department of Energy, Goldman Sachs, and more are collectively investing over USD 93 billion across numerous companies.
• Startup Ecosystem: Five innovative startups, ivBOT (central monitoring system, DeepPower (geothermal drilling), Windeed (floating offshore wind technology), Renous Global FZCO (robotic cleaning machines for solar PV modules), and Soleolico (greenhouse gas eliminating material) showcase the market’s global reach and entrepreneurial spirit.

Methodology: How we created this Clean Energy Industry Report

This report is based on proprietary data from our AI-powered StartUs Insights Discovery Platform, which tracks 7 million global companies, 20K+ technologies and trends as well as 150M patents, news articles and market reports. This data includes detailed firmographic insights into approximately 7 million startups, scaleups, and tech companies. Leveraging this exhaustive database, we provide actionable insights for startup scouting, trend discovery, and technology landscaping.

For this report, we focused on the evolution of clean energy over the past 5 years, utilizing our platform’s trend intelligence feature. Key data points analyzed include:

• Total Companies working in the sector
• News Coverage and Annual Growth
• Market Maturity and Patents
• Global Search Volume & Growth
• Funding Activity and Top Countries
• Subtrends within clean energy

Our data is refreshed regularly, enabling trend comparisons for deeper insights into their relative impact and importance.

Additionally, we reviewed trusted external resources to supplement our findings with broader market data and predictions, ensuring a reliable and comprehensive overview of the clean energy market.

What Data is used to create this Clean Energy Market Report?

Based on data provided by the StartUs Insights Discovery Platform, we observe that the clean energy market stands out in the following categories relative to the 20K+ technologies and trends we track.

These categories provide a comprehensive overview of the market’s key metrics and inform the future direction of the market.

• News Coverage & Publications: The clean energy market has been featured in over 57 400 publications in the last year, which showcase major media attention.
• Funding Rounds: There have been more than 53 420 funding rounds recorded in our database for this domain.
• Manpower: The global workforce in the clean energy market exceeds 23 million, with an additional 1 million+ employees added in the past year alone.
• Patents: The clean energy market holds more than 963 770 patents.
• Grants: Over 23 820 grants have been awarded to companies within the clean energy domain.
• Yearly Global Search Growth: The clean energy market has experienced a yearly global search growth of 10.52%.

Explore the Data-driven Clean Energy Market Report for 2025

According to The Insight Partners, the global clean energy market is projected to reach USD 2231.4 billion by 2031 with a CAGR of 10.7%.

Credit: The Insight Partners

Our database includes 8450+ startups, with a total of over 165 010+ companies contributing to the clean energy market’s growth. Despite a modest market growth of 3.05% in the past year, the clean energy market continues to thrive.

Precedence Research reports that the global renewable energy market size was estimated at USD 1.48 billion in 2024 and is anticipated to reach around USD 7.28 billion by 2034, expanding at a CAGR of 17.23% from 2025 to 2034.

Additionally, the global workforce for these companies exceeds 23 million, with an employee growth of 1 million+ over the last year. The key hubs driving innovation within the clean energy market are located in the United States, the United Kingdom, Germany, India, and Spain, with top cities including London, New York City, Sydney, Melbourne, and Singapore.

A Snapshot of the Global Clean Energy Market

Over the past year, the clean energy market has experienced a modest annual growth of 3.05%. Our database includes 8450+ startups, with over 5020+ early-stage companies.

Additionally, more than 8240+ mergers and acquisitions (M&A) have occurred, which indicates consolidation and growth within the clean energy market.

The patent landscape reveals 963 770+ patents filed, with a yearly patent growth rate of 6.01%. Further, the top issuer of patents is China, accounting for over 370 390 patents, followed by the United States with 152 780+patents, highlighting the technological advancements in clean energy.

Explore the Funding Landscape of the Clean Energy Market

The average investment value per round exceeds USD 81 million which showcases the major financial backing the clean energy market attracts. With over 53 420 funding rounds closed, more than 29K investors have actively contributed to shaping the market’s growth and innovation.

Additionally, these investments span across 17 150+ companies which highlight the broad appeal and diverse opportunities within the clean energy market.

Who is Investing in the Clean Energy Market?

The combined investment value of the top investors in the clean energy market exceeds USD 93 billion. Here is a breakdown of their contributions:

• European Investment Bank has invested USD 19.9 billion in 108 companies. Also, the EIB and EIF joined Santander Bank Polska to unlock PLN 5 billion for Polish SMEs and gender equality.
• KKR has backed 38 companies with USD 12.2 billion. It acquired a 12% stake in medical and dental supply company Henry Schein.
• US Department of Energy has invested USD 10.4 billion in 78 companies. The DOE invested USD 2.2 billion in eight projects across 18 states to upgrade the US power grid.
• Goldman Sachs has funded 52 companies with USD 8.4 billion. Goldman Sachs Asset Management further acquired Synthon, a maker of complex generics, for over EUR 2 billion.
• Rabobank has committed USD 8.2 billion to 59 companies. Moreover, it collaborated with EDGE to finance the EDGE Coolsingel project in Rotterdam.
• Sumitomo Mitsui Banking has invested USD 7.3 billion in 61 companies. SMBC led a USD 15 million funding round to support MODIFI, a digital trade finance platform for SMEs.
• Deutsche Bank has allocated USD 7 billion to 40 companies. Deutsche Bank and K-Sure provided a USD 20 million invoice discounting facility to Posco International Singapore.
• BlackRock has contributed USD 6.8 billion to 48 companies. BlackRock plans to acquire HPS Investment Partners, a credit investment manager with USD 148 billion in assets, for around USD 12 billion.
• Societe Generale has diversified its portfolio by investing USD 6.5 billion across 53 companies. Palantir partnered with Societe Generale to deploy anti-financial crime solutions across the bank’s global retail operations.
• Global Infrastructure Partners has invested USD 6.3 billion in 15 companies.

Top Clean Energy Innovations & Trends

Discover the emerging trends in the clean energy market along with their firmographic details:

• The Green Hydrogen segment is a vital part of clean energy innovation with over 1840 companies and a workforce of 231K+. The addition of 15K employees in the past year reflects its rapid expansion, supported by an annual growth rate of 34.55%. Green hydrogen uses renewable energy to produce a clean fuel that emits only water. It decarbonizes hard-to-abate sectors like heavy industry, aviation, and shipping.
• Photovoltaics is improving clean energy with 83 920+ companies and 7 million+ employees in this domain. Its annual growth rate of 4.04% and the addition of 364K employees highlight its steady momentum. Photovoltaics is a scalable and cost-effective renewable technology that actively reduces global carbon emissions and drives the transition to a sustainable energy future.
• Geothermal Energy is advancing clean energy, with 4880+ companies employing 414K+ professionals. Although the growth rate stands at 2%, the addition of 15K+ employees last year signals ongoing investments in the sector. Geothermal energy delivers reliable, baseload renewable power while minimizing emissions and land use. This in turn, makes it essential for decarbonizing power grids and strengthening energy security.

5 Top Examples from 13K+ Innovative Clean Energy Startups

The five innovative startups showcased below are picked based on data including the trend they operate within and their relevance, founding year, funding status, and more. Book a demo to find promising startups, emerging trends, or industry data specific to your company’s needs and objectives.

ivBOT offers a Central Monitoring System (CMS)

UK-based startup ​ivBOT develops a platform that manages and optimizes renewable energy assets. It integrates data from solar panels, wind turbines, battery storage systems, and green hydrogen production facilities into a unified interface.

The platform also provides real-time monitoring, predictive maintenance, and remote control capabilities for efficient operation and safety. Moreover, ivBOT provides centralized access to diverse energy assets. This access enables businesses to make informed decisions, maximize energy production, and reduce operational costs.

DeepPower specializes in Geothermal Drilling

​US-based startup DeepPower develops XDrill, which is a geothermal drilling technology to access the earth’s vast reserves of clean thermal energy. This technology modifies traditional oil and gas drilling methods by introducing a novel drill design.

It also alters the drilling process to reduce stress around the wellbore and weaken the surrounding rock. This requires less mechanical energy and enables faster and deeper drilling at lower costs. Moreover, XDrill accesses superhot rock zones and unlocks more heat energy than shallower wells.

Windeed makes Floating Offshore Wind Technology

Swedish startup Windeed develops a lightweight floating platform for offshore wind energy generation. Its design minimizes material usage while maintaining structural integrity. The platform also allows rapid, scalable deployment of wind turbines in deep waters.

Moreover, its low-motion characteristics reduce stress on turbines and improve durability. The modular construction also facilitates efficient assembly and maintenance at sea, which decreases operational downtime.

​Further, Windeed provides cost-effective and sustainable offshore wind power solutions, driving the global transition to clean energy.

Renous Global FZCO delivers Robotic Cleaning Machines for Solar PV Modules

​Renous Global FZCO, a Bahraini startup, delivers green energy technology systems. Its offerings include solar photovoltaic, wind energy, green hydrogen generation, and long-duration energy storage solutions.

Its solar photovoltaic systems use solar energy, while its wind turbines change wind into electricity, diminishing dependence on fossil fuels. Moreover, the startup’s energy storage solutions maintain grid stability by preserving surplus energy for peak demand periods.

Renous Global FZCO offers a range of products, including robotic cleaning machines for solar photovoltaic modules and thermodynamic solar water heating systems. It also provides electric vehicle charging stations and self-cleaning solar streetlights with remote monitoring.

Soleolico provides Greenhouse Gas Eliminating Material

​Spanish startup Soleolico develops hybrid renewable energy systems that integrate wind and solar power generation while actively reducing greenhouse gases.

The technology integrates photovoltaic panels into wind turbine blades, referred to as sails. These sails use a patented magnetic system to adjust their orientation and optimize energy capture from changing wind directions.

Additionally, Soleolico applies a specialized 3D-printed coating utilizing Pure.Tech technology to the turbines. This material employs catalytic and photocatalytic reactions to adsorb and convert carbon dioxide, nitrogen oxides, and volatile organic compounds into harmless particles.

Moreover, the design improves energy production efficiency and enables continuous electricity generation by utilizing wind and solar resources.

Gain Comprehensive Insights into Clean Energy Trends, Startups, and Technologies

By 2025, the clean energy market will improve energy storage, green hydrogen, and AI-powered grid management to reshape the global energy landscape. From next-gen wind technologies to decentralized energy systems, companies are adopting innovations to reduce emissions and increase resilience. These advances are driving progress toward climate targets.

Get in touch to explore 13K+ startups and scaleups, as well as all market trends impacting clean energy companies.