Clean Energy Market Report 2026

The clean energy market size has grown rapidly in recent years. It will grow from $959.44 billion in 2025 to $1.06 trillion in 2026 at a compound annual growth rate (CAGR) of 10.5%. The growth in the historic period can be attributed to expansion of renewable energy capacity additions, declining costs of solar and wind technologies, government incentives for clean energy projects, increasing electricity demand, early adoption of grid-scale renewables.

The clean energy market size is expected to see rapid growth in the next few years. It will grow to $1.56 trillion in 2030 at a compound annual growth rate (CAGR) of 10.2%. The growth in the forecast period can be attributed to increasing electrification of transportation and industry, rising investments in energy storage technologies, expansion of hydrogen and hybrid energy systems, growing demand for grid flexibility solutions, increasing focus on net-zero energy targets. Major trends in the forecast period include expansion of utility-scale renewable installations, rising deployment of distributed energy resources, growing integration of energy storage systems, increased adoption of grid-connected renewable solutions, enhanced focus on clean power reliability.

The increasing demand for energy is anticipated to drive the growth of the clean energy market in the coming years. Energy, defined as the capacity to perform work or induce change, appears in various forms such as heat, light, motion, electrical, chemical, and nuclear energy, and is essential for operating physical systems and processes. This growing energy demand is being driven by rising populations, expanding economies, and rapid technological advancements that boost energy consumption. Clean energy meets this demand by converting natural sources like sunlight, wind, and water into electricity or heat used in homes, industries, and transportation. For example, in February 2025, the World Resources Institute, a U.S.-based non-profit organization, reported that solar energy reached a new milestone in 2024 by adding approximately 39.6 gigawatts (GW) of capacity, surpassing the 27.4 GW added in 2023. Hence, the surge in energy demand is fueling the clean energy market.

Major companies in the clean energy sector are prioritizing the development of innovative technologies, such as solid oxide fuel cell and electrolysis manufacturing solutions, to improve efficiency, lower emissions, and accelerate the shift toward a sustainable energy future. Solid oxide fuel cells (SOFC) and solid oxide electrolysis cells (SOEC) are high-temperature electrochemical devices that either convert fuels (like hydrogen) into electricity or split water into hydrogen and oxygen with greater efficiency and lower emissions than conventional combustion-based power generation, offering benefits such as fuel versatility, modular scalability, and compatibility with renewable energy sources. For example, in September 2025, Elcogen AS, a UK-based clean energy technology company, inaugurated its ELCO I high-volume solid oxide fuel cell and electrolyzer manufacturing facility, a cutting-edge 14,000 m² plant designed to expand production capacity from 10 MW to 360 MW annually to meet global demand for efficient clean energy solutions. The facility enables the production of SOFC and SOEC cells, stacks, and modules for integration into distributed energy systems, green hydrogen generation, off-grid and stationary power applications, and Power-to-X solutions, featuring advanced automation and sustainable design elements that reduce emissions and enhance output consistency.

In September 2023, Repsol S.A., a Spain-based energy company, acquired Connect Gen for an undisclosed amount. Through this acquisition, Repsol aimed to broaden its renewable energy presence and speed up its entry into the U.S. onshore wind market while advancing its strategic goals for global renewable capacity expansion. Connect Gen LLC is a U.S.-based renewable energy developer focused on creating a substantial portfolio of onshore wind, solar, and energy storage projects throughout the United States.

Major companies operating in the clean energy market are Enel Spa, Siemens AG, General Electric Company, ABB Ltd., Next Era Energy Partners, Acconia SA, Orsted A/S, Jinko Solar Holding Co., Vestas Wind Systems, Trina Solar Limited, JA Solar Technology Co., Canadian Solar, Nordex SE, Renewable Energy Group, First Solar Inc., Sun Power Corporation, Suzlon Energy Ltd., Plug Power, Neoen Pty Ltd., Scatec ASA.

Asia-Pacific was the largest region in the clean energy market in 2025. The regions covered in the clean energy market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the clean energy market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The clean energy market consists of revenues earned by entities by providing services such as energy storage solutions, grid integration and management, energy efficiency consulting, and microgrid and distributed energy services. The market value includes the value of related goods sold by the service provider or included within the service offering. The clean energy market also includes sales of solar panels and solar power systems, wind turbines, hydrogen fuel cells and electrolyzers, and geothermal and biomass systems. Values in this market are ‘factory gate’ values, that is, the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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