米国の再生可能エネルギー市場：タイプ (太陽・風力・水力・地熱・その他)・用途 (住宅・商業・産業・その他)・地域別の機会および予測

米国の再生可能エネルギーの市場規模は、予測期間中にCAGR 5.7％で推移し、設置ベースでは2024年の445GWから2032年には695GWに成長すると予測されています。

米国の再生可能エネルギー市場は、オフグリッド型再生可能エネルギー源の需要増加や急速な都市化の影響を背景に、成長を遂げています。太陽光発電プロジェクトへの投資が拡大しており、今後も力強い成長が続くと見込まれています。また、再生可能エネルギーの利点に関する一般の認識が高まりつつあり、個人および企業が太陽光発電を中心とした電力ソリューションを導入する動きが強まっています。環境に優しい代替エネルギーへの志向の高まりも、市場全体での需要を押し上げる要因となっています。

さらに、米国では従来のエネルギー源への依存を減らし、エネルギー自給自足を実現するため、従来型とは異なる発電技術への投資が進められています。これにより、再生可能エネルギー市場は一層拡大しています。近年の再生可能エネルギー生産への大規模な投資が市場の成長を支えており、今後も予測期間中はこの傾向が続くと見られています。再生可能エネルギーは本質的に地域密着型であるため、各州が燃料を輸入せずに独自の電力を生産することが可能です。国民の支持の高まりや環境問題への関心の高まりも、再生可能エネルギー技術の導入や発展を推進する政策・取り組みに影響を与えており、米国の再生可能エネルギー市場のさらなる成長を後押ししています。

当レポートでは、米国の再生可能エネルギーの市場を調査し、市場の定義と概要、市場規模の推移・予測、各種区分別の詳細分析、産業構造、市場成長への影響因子の分析、競合情勢、主要企業のプロファイルなどをまとめています。

目次

第1章 プロジェクトの範囲と定義

第2章 調査手法

第3章 米国の関税の影響

第4章 エグゼクティブサマリー

第5章 顧客の声

• 回答者の人口統計
• 購入決定時に考慮される要素
  • 均等化発電原価 (LCOE)
  • 初期資本コスト
  • 投資収益率 (ROI)
  • 運用および保守コスト
  • 政府の補助金と優遇措置
  • 回収期間

第6章 米国の再生可能エネルギー市場の展望

• 市場規模の分析・予測
• 市場シェアの分析・予測
  • タイプ別
    • 太陽エネルギー
    • 風力エネルギー
    • 水力発電
    • 地熱エネルギー
    • その他
  • 用途別
    • 住宅
    • 商用
    • 産業
    • その他
  • 地域別
    • 北東部
    • 南西部
    • 西部
    • 南東部
    • 中西部
  • 企業シェア分析 (上位5社およびその他-)
• 2024年市場マップ分析

第7章 バリューチェーン分析

第8章 ポーターのファイブフォース分析

第9章 PESTLE分析

第10章 市場力学

• 市場促進要因
• 市場の課題

第11章 市場動向・展開

第12章 ケーススタディ

第13章 競合情勢

• 上位5社の競合マトリックス
• 上位5社のSWOT分析
• 上位10社の情勢
  • NextEra Energy, Inc.
  • Clearway Energy, Inc.
  • Ormat Technologies, Inc.
  • Invenergy LLC
  • Apex Clean Energy
  • Cypress Creek Renewables, LLC
  • LS Power Development, LLC
  • EDF power solutions
  • AVANGRID, Inc.
  • DESRI Renewables, LLC

第14章 戦略的提言

第15章 調査会社について・免責事項

List of Tables

• Table 1. Competition Matrix of Top 5 Market Leaders
• Table 2. Mergers & Acquisitions/ Joint Ventures (If Applicable)

List of Figures

• Figure 1. United States Renewable Energy Market, By Value, in USD Billion, 2018-2032F
• Figure 2. United States Renewable Energy Market, By Volume, in Gigawatt, 2018-2032F
• Figure 3. United States Renewable Energy Market Share, By Type, in USD Billion, 2018-2032F
• Figure 4. United States Renewable Energy Market Share, By Application, in USD Billion, 2018-2032F
• Figure 5. United States Renewable Energy Market Share, By Region, in USD Billion, 2018-2032F
• Figure 6. By Type Map-Market Size (USD Billion) & Growth Rate (%), 2024
• Figure 7. By Application Map-Market Size (USD Billion) & Growth Rate (%), 2024
• Figure 8. By Region Map-Market Size (USD Billion) & Growth Rate (%), 2024

United States renewable energy market is projected to witness a CAGR of 5.7% during the forecast period 2025-2032, growing from 445 GW in 2024 to 695 GW in 2032, in terms of installed base. The United States renewable energy market is growing due to rising demand for off-grid renewable energy sources and the impact of rapid urbanization, which is further boosting market expansion. Increasing investments in solar power projects are expected to sustain a strong pace of growth in the coming years. Additionally, growing public awareness about the benefits of renewable energy is influencing both individuals and businesses to adopt solar-based power generation solutions. The rising preference for eco-friendly alternatives is also contributing to the high demand for renewable energy across the market.

Furthermore, the nation is investing in unconventional power generation technologies to reduce its dependence on traditional energy sources, and to achieve energy self-sufficiency-thereby further boosting the renewable energy market. Significant investments in renewable energy production have supported market growth in recent years and are expected to continue driving expansion during the forecast period. Renewable energy sources are local by nature, enabling states to generate their own energy without relying on imported fuels. Rising public support and growing concerns about environmental issues are also fueling the growth of the United States renewable energy market by influencing policies and initiatives that promote the development and adoption of renewable energy technologies.

For instance, in 2024, the country is witnessing a surge in the construction of large-scale wind, solar and hydroelectric projects such as Gemini Solar Project in Nevada and Vineyard Wind Project in Massachusetts and others, reflecting the growing demand for clean energy. These projects are essential not only for meeting the nation's climate goals but also for fostering economic growth and ensuring energy security.

Recent Regulatory Development Expected to Impact the United States Renewable Energy Market

Recent regulatory developments are poised to negatively impact the United States renewable energy market. The ongoing tariff war, particularly taxes on imported solar panels and wind turbine parts are expected to a significant rise in project costs, thereby increasing expenses for developers and consumers and discouraging new projects and innovation. Further the government is not keen on increasing investment in the renewable energy sector. For instance, in May 2025, the Department of Energy cancelled the USD 3.7 billion of clean energy grants. In another instance, in January 2025, United States government put on hold on new or renewed wind energy leasing from areas on the Outer Continental Shelf. This order also led to a halt in construction of a wind farm off the coast of New York, which was designed to power 500,000 homes. Further, in May 2025, the United States House passed "One Big Beautiful Bill Act" (H.R. 1) which drastically cuts U.S. clean energy tax credits, repealing key incentives for clean electricity, hydrogen, and EVs. This aims to start the process of rolling back Inflation Reduction Act provisions, potentially increasing emissions and impacting investment. The bill signals a significant shift away from current clean energy support. Such regulatory landscape is expected to slow the potential growth of the United States renewable energy market.

Growing Public Awareness and Rising Demand for Clean Energy Boosting Market Growth

United States has a rising public awareness and support for renewable energy. Residential and commercial sectors are becoming conscious of climate change and are demanding greener and more sustainable energy sources which drive the demand for renewable energy in the market. Public push on the policymakers, authorities and businesses are resulting in a favorable market climate for the renewable energy industry. Many states in the United States are at the forefront of the renewable energy movement by setting an ambitious target of achieving 100% sustainable energy by 2045. The rising commitment to a sustainable energy future in the country has been substantially bolstering the demand for renewable energy among the state's residents. Moreover, renewable energy sources are assisting in overcoming the concern about the environmental consequences of fossil fuel dependence and the associated public health risks.

For instance, in January 2025, the United States Department of Agriculture (USDA) announced to invest over USD 6 billion through several programs for the development of renewable energy in rural area of the country. The programs included such as Empowering Rural America (New ERA) and Powering Affordable Clean Energy (PACE) with investments in rural communities across 30 states in the U.S. This development highlights that the government is investing in renewable energy generation which boosts the growth of the renewable energy market in the forecast period.

In addition, the United States renewable energy market has been attracting foreign investors in the energy sector. Over the past decade, foreign investment in the country's renewable energy market has played a pivotal role in its expansion. Foreign investors have recognized the potential of renewable energy and have actively contributed to the country's growth. In terms of capital commitment, the United States ranked second during 2011-2021, with an estimated USD 83.1 billion in investments in different renewable energy generation projects.

Government Policies and Initiatives Creating Market Opportunity

The United States government has implemented several policies and incentives to encourage the development of the renewable energy sector. The growing emphasis on diversifying the energy mix is driving support for policies that promote clean energy development, thereby creating a favorable environment for market growth. Government policies and initiatives are playing a pivotal role in creating substantial opportunities in the United States renewable energy market. Legislative measures such as the Inflation Reduction Act (IRA), production and investment tax credits (PTC and ITC), and renewable portfolio standards (RPS) at the state level are encouraging the deployment of clean energy technologies. The United States government has introduced regulations mandating the use of renewable energy at certain levels in both commercial and residential sectors. Furthermore, the federal government has set ambitious decarbonization targets across various sectors, including electricity generation and transportation. These efforts are supported by federal tax rebates, grants, and other incentives aimed at accelerating renewable energy adoption. Recent federal actions are expected to significantly expand the renewable energy market.

In addition, the government has set bold targets for federal agencies, including achieving 100% carbon pollution-free electricity consumption by 2030 and net-zero emissions from federal procurement by 2050. These goals are being supported through initiatives such as streamlining regulations for renewable energy projects and increasing investments in the domestic clean energy sector. For instance, in April 2024, the Department of the Interior decided to invest USD 19 million to install solar panels over irrigation canals in California, Oregon and Utah, simultaneously decreasing evaporation of critical water supplies and advancing clean energy goals. This development highlights the government investment in the renewable energy sector which boosts the renewable energy market to grow in the coming years.

Solar Segment to Dominate United States Renewable Energy Market

The country has witnessed a significant transformation in its energy landscape through the increased adoption of solar energy. Concerns about climate change and the need to reduce greenhouse gas emissions have driven a surge in renewable energy deployment. Solar energy is emerging at the forefront and is expected to contribute the most to utility-scale renewable power generation capacity. This momentum reflects a growing national commitment to sustainability and a reduced reliance on fossil fuels. As the country continues to prioritize clean and sustainable energy solutions, the shift toward solar marks a vital step toward a more environmentally friendly and resilient power grid.

For instance, as per the United States Energy Information Administration report projections, in 2024, United States had an installed solar energy capacity of 127.7 GW, highlighting the dominance of solar energy generation in the country.

Midwest Region is Expected to be the Fastest Growing Region in Renewable Energy Market

The Midwest is emerging as the fastest-growing region in the United States renewable energy market, driven by its abundant renewable resources and increasingly supportive government policies. States such as Iowa, South Dakota, and Kansas offer vast open landscapes ideal for large-scale solar projects and possess some of the most favorable wind conditions in the country, creating strong momentum for renewable energy expansion. The acceleration is further fueled by state-level and utility-led decarbonization targets, along with ambitious clean energy commitments from major corporations. The region also benefits from a cooperative policy landscape and evolving market structures that attract both public and private investment. With its geographic advantages, economic incentives, and rising demand for sustainable energy solutions, the Midwest is rapidly transitioning from a regional stronghold to a national growth engine for renewable energy in the United States.

For instance, in September 2024, the Iowa Energy Fund (IEF) was created to help fund building efficiency and renewable energy projects across Iowa. IEF is proud to serve as a federal clean energy implementation hub for Iowa and help bring resources to low-income and rural Iowans. The organization can bridge the gap between public and private investments to help make more clean energy projects a reality in Iowa. This development highlights the rising investment in the renewable energy sector, which drives market growth in the coming years.

Impact of the United States Tariffs on United States Renewable Energy Market

The new tariff policies have driven up the cost of renewable energy projects, especially solar and energy storage projects, creating uncertainty in the market.

The tariffs have disrupted established global supply chains for solar panels, batteries, and wind components, impacting market growth.

Higher costs and supply chain uncertainty are causing delays and even cancellations of renewable energy projects.

Key Players Landscape and Outlook

Companies operating in the United States renewable energy sector are actively pursuing a range of strategic initiatives to thrive in this rapidly evolving market. These initiatives include diversifying energy sources, investing in advanced technologies, engaging with local communities, and aligning with sustainability goals. Furthermore, companies are forming partnerships and collaborations with other industry players, research institutions, and government bodies to drive innovation and achieve shared objectives. Many players are also increasing their investments in the renewable energy sector to expand their presence and gain a larger share of the market.

For instance, In June 2024, NextEra Energy Resources (Part of NextEra Energy, Inc.) decided to enter into a joint agreement with Entergy for the development of 4.5 GW new solar and energy storage projects. This development highlights the rising investment in the renewable energy sector which boosts the market share in the market.

Table of Contents

1. Project Scope and Definitions

2. Research Methodology

3. Impact of U.S. Tariffs

4. Executive Summary

5. Voice of Customer

• 5.1. Respondent Demography
• 5.2. Factors Considered in Purchase Decisions
  • 5.2.1. Levelized Cost of Energy (LCOE)
  • 5.2.2. Upfront Capital Cost
  • 5.2.3. Return on Investment (ROI)
  • 5.2.4. Operational And Maintenance Costs
  • 5.2.5. Government Subsidies and Incentives
  • 5.2.6. Payback Period

6. United States Renewable Energy Market Outlook, 2018-2032F

• 6.1. Market Size Analysis & Forecast
  • 6.1.1. By Value
  • 6.1.2. By Volume
• 6.2. Market Share Analysis & Forecast
  • 6.2.1. By Type
    • 6.2.1.1. Solar Energy
    • 6.2.1.2. Wind Energy
    • 6.2.1.3. Hydroelectric Energy
    • 6.2.1.4. Geothermal Energy
    • 6.2.1.5. Others
  • 6.2.2. By Application
    • 6.2.2.1. Residential
    • 6.2.2.2. Commercial
    • 6.2.2.3. Industrial
    • 6.2.2.4. Others
  • 6.2.3. By Region
    • 6.2.3.1. Northeast
    • 6.2.3.2. Southwest
    • 6.2.3.3. West
    • 6.2.3.4. Southeast
    • 6.2.3.5. Midwest
  • 6.2.4. By Company Market Share Analysis (Top 5 Companies and Others - By Value, 2024)
• 6.3. Market Map Analysis, 2024
  • 6.3.1. By Type
  • 6.3.2. By Application
  • 6.3.3. By Region

7. Value Chain Analysis

8. Porter's Five Forces Analysis

9. PESTLE Analysis

10. Market Dynamics

• 10.1. Market Drivers
• 10.2. Market Challenges

11. Market Trends and Developments

12. Case Studies

13. Competitive Landscape

• 13.1. Competition Matrix of Top 5 Market Leaders
• 13.2. SWOT Analysis for Top 5 Players
• 13.3. Key Players Landscape for Top 10 Market Players
  • 13.3.1. NextEra Energy, Inc.
    • 13.3.1.1. Company Details
    • 13.3.1.2. Key Management Personnel
    • 13.3.1.3. Products and Services
    • 13.3.1.4. Key Financials (As Reported)
    • 13.3.1.5. Key Market Focus and Geographical Presence
    • 13.3.1.6. Recent Developments/Collaborations/Partnerships/Mergers and Acquisition
  • 13.3.2. Clearway Energy, Inc.
  • 13.3.3. Ormat Technologies, Inc.
  • 13.3.4. Invenergy LLC
  • 13.3.5. Apex Clean Energy
  • 13.3.6. Cypress Creek Renewables, LLC
  • 13.3.7. LS Power Development, LLC
  • 13.3.8. EDF power solutions
  • 13.3.9. AVANGRID, Inc.
  • 13.3.10. DESRI Renewables, LLC

Companies mentioned above DO NOT hold any order as per market share and can be changed as per information available during research work.

14. Strategic Recommendations

15. About Us and Disclaimer