U.S. Renewable Energy Certificate (REC) Market Size - By Capacity, By Type, By Customer, By Source, Analysis, Share & Growth Forecast, 2025 - 2034

U.S. Renewable Energy Certificate Market Size

The U.S. renewable energy certificate market was valued at USD 5.9 billion in 2024. The market is expected to grow from USD 6.5 billion in 2025 to USD 13.3 billion by 2034, at a CAGR of 8.3%, according to Global Market Insights Inc.

• The U.S. renewable energy certificate market growth is driven by a confluence of regulatory mandates, corporate sustainability goals, technological innovation, and evolving consumer preferences. As a market-based instrument designed to promote renewable energy generation, RECs serve as proof that one megawatt-hour (MWh) of electricity was generated from a renewable source and fed into the grid.
   
• These certificates are pivotal in aiding utilities, corporations, and individuals meet renewable energy targets and carbon neutrality commitments. In addition, increasing stringency of Renewable Portfolio Standards (RPS) across U.S. states is further influencing the renewable energy certificate market landscape.
   
• For illustration, as per the U.S. Energy Information Administration (EIA), as of December 2023, 28 states and the District of Columbia have established an RPS and 7 have renewable portfolio goals. In addition, 11 states have CES or goals along with 17 states and the District of Colombia aiming for the goal of 100% renewable or clean electricity by 2050 or earlier.
   
• These mandates compel utilities and large energy consumers to either generate renewable energy or purchase RECs to demonstrate compliance, thereby adding to the industry growth. Furthermore, this regulatory pressure has created a robust compliance market, which has accounted for the majority of REC transactions over the past few years.
   
• Increasing corporate sustainability initiatives have emerged as a major force in REC market growth. Businesses across sectors are increasingly aligning with net-zero goals, and RECs offer a flexible mechanism to offset carbon emissions. Technological advancements are also reshaping the REC landscape with blockchain, and smart tracking technologies have enhanced transparency and reduced fraud risks.
   
• For reference, in March 2024, CRS, through its Green e-Energy certification program, certified more than 114 million megawatt-hours (MWh) in 2022 through 158 companies, the highest number of certified retail MWh till 2022. This surge reflects growing environmental awareness and the strategic integration of RECs into corporate carbon accounting frameworks.
   
• The increase in renewable energy generation & credit issuance has streamlined the certification process, making REC transactions more secure and efficient. Additionally, the emergence of standardized systems like the International Renewable Energy Certificate (I-REC) Standard has facilitated cross-border trading, expanding the market’s reach and interoperability.
   
• Favorable government policies along with rising concern towards carbon emissions have further proliferated the industry landscape. For reference, The Inflation Reduction Act (IRA) of 2022 has been a game-changer for the U.S. REC market. By offering substantial tax incentives for renewable energy projects, the IRA has catalyzed investment in solar, wind, and other clean energy sources.
   

U.S. Renewable Energy Certificate Market Trends

• The U.S. market for renewable energy certificate is experiencing dynamic growth, propelled by a diverse set of emerging factors beyond traditional regulatory mandates and corporate sustainability goals. These alternative growth drivers are reshaping the landscape, fostering innovation, and expanding participation across sectors and regions.
   
• Significant rise in the adoption of voluntary RECs, driven by corporate and individual sustainability commitments, is augmenting the industry scenario. This shift reflects a broader cultural and economic transformation where environmental responsibility will become a core business strategy rather than a regulatory obligation.
   
• For instance, In September 2024, the U.S. Commodity Futures Trading Commission (CFTC) approved the nation’s first framework for trading derivative contracts linked to voluntary carbon credits. These financial instruments are based on carbon credits, which represent the authorization to emit one metric ton of carbon dioxide or its equivalent to other greenhouse gases.
   
• Continuous & exponential electrification of various sectors along with increasing energy security concern is bolstering the REC industry across renewable industries. As electric vehicles (EVs), heat pumps, and other electrified systems gain traction, overall electricity demand will rise, which in turn is creating favorable scenario for RECs, especially across energy generation from renewables.
   
• Geopolitical and energy security concerns are also influencing REC market dynamics. The global disruptions including shipping lane blockages and fossil fuel price volatility, corporations are investing in renewables for sustainability and operational resilience. Renewable energy offers insulation against geopolitical risks, making RECs a strategic asset for companies seeking energy independence and stability.
   
• For instance, in August 2025, Apple Inc., announced an investment of around USD 100 billion, totaling to the overall U.S. investments to USD 600 billion for over the next four years. The company will increase its investment across America and incentivize global companies to manufacture even more critical components in the U.S.
   
• The voluntary REC market is also expanding rapidly, driven by consumer demand for green energy and corporate environmental commitments. Unlike the compliance market, which is regulated, the voluntary market allows individuals and organizations to purchase RECs to offset their carbon footprint. This segment is expected to grow significantly, supported by the increasing availability of bundled and unbundled REC products from utilities and third-party aggregators.
   
• The Western U.S. leads in REC generation and market size, driven by states including California, Oregon, and Washington. The Western Renewable Energy Generation Information System (WREGIS) is the largest REC tracking system, covering a broad geographic area and facilitating high-volume transactions. Other key regions include PJM Interconnection, ISO New England, and the Midcontinent ISO, each with distinct regulatory frameworks and market dynamics.
   

U.S. Renewable Energy Certificate Market Analysis

Learn more about the key segments shaping this market

Download Free PDF

• Based on capacity, the market is segmented into 5 MW, > 5 MW - 15 MW, > 15 MW - 30 MW, and > 30 MW. The > 30 MW capacity range renewable project industry holds a market share of 78.7% in 2024 and will grow at a CAGR of 8.3% till 2034. These installations, often spanning hundreds of acres, are the backbone of utility procurement strategies.
   
• For instance, as per Solar Energy Industries Association, in 2023 alone, the U.S. added 32.4 GW of solar capacity, especially from utility-scale farms. These projects generate massive quantities of RECs, which are used to meet both compliance and voluntary market demands, thereby adding to the industry dynamics.
   
• Rise of small-scale solar and community energy projects along with increasing financial viability through REC monetization is augmenting the market dynamics. In addition, open access policies and net metering have empowered small producers such as cooperatives, schools, and municipalities to participate in the REC market, monetizing their clean energy output.
   
• For instance, as of December 2024, the EPA reported increased participation in voluntary REC markets from residential and small business sectors, with over 1 million residential customers purchasing RECs through Green-e certified programs. This has led to a surge in small-scale renewable deployments, especially in semi-urban and rural areas where grid access is improving and land availability is less constrained.
   
• The REC market is also evolving in terms of capacity segmentation with smaller-scale projects under 5 MW gaining prominence due to open access policies and financial incentives. These projects, developed by independent power producers and rural cooperatives, contribute to decentralized energy generation and democratize access to the REC market.
   
• > 5 MW - 15 MW industry will grow at a CAGR of 8.1% through 2034. Mid-sized solar and wind projects in this range were actively pursued by commercial entities in 2024. According to EPA, these projects are tied to corporate PPAs, allowing companies to meet internal sustainability goals while generating RECs for voluntary markets. States with strong RPS mandates, including Illinois and Massachusetts, witnessed increase in deployment in this segment.
   
• Projects between 15 MW and 30 MW will grow at rate of over 7.5% till 2034 and is playing a major role in compliance REC markets. Their scale allows them to meet the stringent requirements of state-level RPS programs, and their output is often contracted by utilities to fulfil mandated renewable energy quotas. This segment is expected to grow steadily as states raise their clean energy targets.

Learn more about the key segments shaping this market

Download Free PDF

• Based on source, the market is segmented into bioenergy, hydro, solar, and wind. The wind source industry showcased a 74.9% market share in 2024 and stood at USD 4.4 billion. The DOE’s Wind Energy Technologies Office projects that 30 GW of offshore wind will be operational by 2030, supplying electricity to 10 million homes. These projects are expected to generate billions of dollars in REC value, especially in states like New York and Massachusetts with aggressive offshore wind targets.
   
• Rising distributed offshore wind projects supported by federal and state incentives will augment the industry. These installations contribute significantly to REC generation, particularly in regions with strong wind resources like the Midwest and Great Plains. For instance, in August 2025, the U.S. government decided to cancel various projects worth USD 679 million for the construction of offshore wind projects.
   
• The solar based source industry will grow at a CAGR of 10.5% till 2034. Solar REC growth is fueled by long-term tax credits under the Inflation Reduction Act and state-level solar carve-outs. These incentives are driving investment in both rooftop and utility-scale solar, expanding the REC supply and making solar a cornerstone of clean energy compliance strategies.
   
• For instance, in 2023, the U.S. added 32.4 GW of solar capacity, a 51% increase from the previous year. Utility-scale solar farms are major contributors to REC generation, with companies and utilities purchasing these certificates to meet RPS mandates and sustainability goals.
   
• The hydropower industry will grow at a rate of 8% till 2034. Modernization of hydropower existing infrastructure along with the integration with energy storage will influence the market dynamics. In addition, The U.S. Department of Energy reports that hydropower capacity increased by 2.1 GW from 2010 to 2022, primarily through upgrades to existing plants. These modernized facilities are more efficient and capable of generating RECs at higher volumes.

Looking for region specific data?

Download Free PDF

• The U.S. renewable energy certificate market stood at USD 5.9 billion in 2024 and will grow at a CAGR of 8.3% through 2034. The Pacific state region comprising of California and Oregon is dominating the market and will grow at a rate of 8.7% by 2034, driven by the expansion of solar & offshore wind projects along with active adoption of RPS standards.
   
• For instance, in July 2025, the governor of California stated that the state grid runs on 100% clean electricity for an average of 7 hours/day. This data, compiled by the California Energy Commission showcases that clean energy has powered the equivalent of 51.9 days in the state, nearly 30% of the year to date running on 100% clean electricity.
   
• The North East region will grow at a CAGR of 9% till 2034, driven by high value REC industry along with decreasing cost of solar installations. The region is dominated by various states including New York, New Jersey, Pennsylvania, among others, with their active involvement in curbing carbon emissions and favorable government initiatives.
   
• For instance, in September 2025, as reported by New York State Energy Research and Development Authority (NYSERDA), the Climate Leadership and Community Protection Act had set a goal of having 6 gigawatts of solar power installed in New York by the end of 2025. However, this was achieved earlier this year and has enough solar generating capacity to power more than 1 million homes.
   
• The mountain state region will cross USD 4 billion by 2034, owing to high utility-scale solar growth along with voluntary REC increase across tourism & hospitality industries. Arizona and Nevada are leading in utility-scale solar deployments, contributing significantly to REC generation. The region’s high solar irradiance and vast land availability make it ideal for large-scale projects.
   
• In addition, states including Colorado and Utah are witnessing increased REC purchases from the tourism and hospitality sectors. Ski resorts and eco-tourism operators are using RECs to offset emissions and appeal to environmentally conscious consumers, thereby adding to industry growth.
   

U.S. Renewable Energy Certificate Market Share

• The top 5 companies in the U.S. renewable energy certificate market are 3Degrees, Constellation, Duke Energy Corporation, Enel Green Power, and Avangrid Renewables, that collectively contribute around 25% of the market in 2024.
   
• 3Degrees Inc. is on the major players in the voluntary REC segment serving a wide range of corporate and utility clients through Green-e certified products and community solar programs. As a privately held company, 3Degrees recently secured a USD 60 million debt round in July 2025, supporting its expansion across clean energy services.
   

U.S. Renewable Energy Certificate Market Companies

Major players operating in the U.S. renewable energy certificate industry are:
 

• 3Degrees
• Avangrid Renewables
• Carbon Better
• CMS Energy
• Constellation
• Climate Impact Partners
• ClimeCo LLC
• Duke Energy Corporation
• EDF Trading Limited
• Entergy
• ENGIE
• Ecohz
• Enel Green Power
• Green Mountain Energy Company
• Native Energy
• STX Group
• Shell
• Statkraft
• Sterling Planet Inc.
• TerraPass
   
• Duke Energy Corporation as a major utility in the U.S., the company integrates RECs into its regulated and deregulated offerings. In 2024, the company posted USD 31.3 billion in revenue, maintaining a strong dividend and a utilities sector market share of 7.36%.
   
• Enel Green Power North America (EGPNA) has a renewable capacity of 11,620 MW and is a key developer of wind and solar projects in the U.S., supporting corporate sustainability through long-term PPAs. In 2025, the company invested USD 50 million to expand its wind capacity by 285 MW, expected to generate an additional USD 50 million in annual EBITDA.
   
• Avangrid Renewables, a subsidiary of Avangrid Inc., is a significant player in utility-scale REC generation and is actively developing offshore wind projects like Vineyard Wind. The company announced that it grew its investment with U.S. suppliers to USD 4.3 billion in 2024, representing a 16% increase compared to 2023.
   

U.S. Renewable Energy Certificate Industry News

• In May 2025, the American Clean Power (ACP) association announced that the country has added 7.4GW of new renewable energy capacity in the first three months of 2025, with deployments and planned projects concentrated in Republican states. This trend is anticipated to increase down the line owing to increasing demand of energy in the country.
   
• In April 2025, the Colorado Tourism Office (CTO) announced the 12 recipients of the 2025 Tourism Management Grant. Organizations from across the state have been awarded grants for their innovative projects in the tourism sector including the Ute Mountain Ute Tribe and nine rural counties. The grant amount of up to USD 20,000 will advance tourism and destination stewardship efforts across the state, thereby facilitating the tourism & hospitality industries, contributing to REC market.
   
• In April 2024, Avangrid and Statkraft signed a strategic Virtual Power Purchase Agreement (VPPA), where Statkraft will receive Renewable Energy Certificates (RECs) from Avangrid’s 300 MW Streator Cayuga Ridge South Wind Farm in Illinois with this short term VPPA.
   

This U.S. renewable energy certificate market research report includes in-depth coverage of the industry with estimates & forecasts in terms of revenue (USD Billion) from 2021 to 2034, for the following segments:

Click here to Buy Section of this Report

Market, By Capacity

• 5 MW
• > 5 MW - 15 MW
• > 15 MW - 30 MW
• > 30 MW

Market, By Type

• Voluntary
• Compliance

Market, By Customer

• Commercial
• Residential
• Wholesale

Market, By Source

• Bioenergy
• Hydro
• Solar
• Wind
• Others

The above information has been provided for the following regions:

• East North Central
• West South Central
• South Atlantic
• North East
• East South Central
• West North Central
• Pacific States
• Mountain States