Industry Analysis

Renewable Energy Trends 2025

Global Market Outlook and Strategic Implications for the Energy Transition

March 2025
Energy & Sustainability Practice

Contents

Executive Summary

The global renewable energy sector is experiencing unprecedented growth in 2025, with solar and wind technologies driving the transformation of the world's power systems. This report examines the key trends, market dynamics, and strategic implications for stakeholders across the energy value chain.

793 GW New Renewable Capacity 2025
$1.5T Global Market Size
43% Renewables Share by 2030

Key Findings

Finding 1: Solar PV dominates capacity additions, accounting for nearly 80% of renewable growth. Global solar capacity is projected to reach 600 GW of new installations in 2025, with cumulative capacity approaching 2.5 TW. Low module costs, efficient permitting, and broad social acceptance continue to drive acceleration.
Finding 2: Wind power installations are accelerating, with 150 GW expected in 2025. The first half of 2025 saw 72.2 GW of new wind capacity added, a 64% year-on-year increase. China leads with 51.4 GW of additions, more than double the previous year.
Finding 3: Renewables are set to surpass coal as the largest electricity source by end-2025. Electricity generation from renewables is expected to increase 60% from 9,900 TWh in 2024 to 16,200 TWh by 2030, meeting over 90% of global electricity demand growth.
Finding 4: Investment reached record levels despite policy headwinds. Renewable energy investments hit $386 billion in the first half of 2025, up 10% year-on-year. However, the IEA has revised its 2025-2030 forecast down by 5% due to policy changes in key markets.
"Solar and wind are now expanding fast enough to meet all new electricity demand, a milestone reached in the first three quarters of 2025." — Ember Energy Analysis, 2025

The renewable energy landscape in 2025 is characterized by both remarkable growth and emerging challenges. While solar and wind technologies continue their rapid expansion, policy uncertainties, grid integration issues, and supply chain vulnerabilities are creating headwinds that require strategic navigation. Organizations across the energy sector must adapt to this evolving environment to capitalize on opportunities while managing risks.

1. Solar Energy: The Dominant Force

Solar photovoltaic (PV) technology has emerged as the undisputed leader in renewable energy capacity additions, fundamentally reshaping the global power landscape. In 2025, solar continues to outpace all other technologies, driven by cost competitiveness, technological improvements, and supportive policy frameworks.

1.1 Market Size and Growth

The global solar market is experiencing extraordinary expansion. According to the International Energy Agency (IEA), solar PV is expected to account for nearly 80% of the total global renewable electricity capacity increase between 2025 and 2030. This represents approximately 3.6 terawatts of new solar capacity over this period.

Table 1: Global Solar Capacity Growth Projections (2025-2030)
Year New Capacity (GW) Cumulative Capacity (GW) Growth Rate
2025 600 2,465 +32%
2026 500+ 2,965 +20%
2027 550+ 3,515 +19%
2028 580+ 4,095 +17%
2029 600+ 4,695 +15%
2030 700 5,395 +15%

The growth trajectory, while impressive, shows signs of moderation following the extraordinary 85% growth in 2023 and 33% in 2024. The IEA has revised its forecast downward by 5% for the 2025-2030 period, reflecting policy changes in major markets including the United States and China.

1.2 Regional Dynamics

China continues to dominate the global solar market, having added 277 GW of solar capacity in 2024 and maintaining its position as the world's largest market and manufacturer. The country's combined solar and wind capacity exceeded 1,400 GW by the end of 2024, achieving its 2030 targets six years ahead of schedule.

India has emerged as the second-largest growth market, with the IEA revising its forecast upward by nearly 10% due to record auction volumes in 2024 and the introduction of new rooftop PV support schemes. The country is expected to add close to 345 GW of renewable capacity between 2025 and 2030, with solar accounting for nearly 60% of this increase.

Emerging Market Spotlight: Africa

Solar is accelerating across Africa, with imports of Chinese solar panels rising 60% in the 12 months to June 2025. Total imports reached 15 GW of capacity, up from 9.4 GW the previous year. Algeria's imports rose 33-fold, Zambia eightfold, and Botswana sevenfold.

1.3 Key Challenges

Despite the positive outlook, the solar industry faces several challenges:

Utility-scale solar PV auction awards totaled over 14 GW in the first half of 2025, a 63% drop from the previous year, likely due to more merchant projects and policy uncertainty.

2. Wind Energy: Accelerating Momentum

Wind power is experiencing a renaissance in 2025, with global installations accelerating significantly. The technology continues to mature, with larger turbines, improved capacity factors, and expanding offshore developments driving growth.

2.1 Global Capacity Expansion

The global wind sector recorded strong growth in the first half of 2025, with installations rising by 64% compared to the same period in 2024. A total of 72.2 GW of new capacity was added between January and June 2025, following 44.1 GW in the first half of 2024.

Table 2: Global Wind Power Statistics (2025)
Metric Value Change (YoY)
H1 2025 Additions 72.2 GW +64%
12-Month Additions (Jul 24-Jun 25) 148 GW +18%
Total Installed Capacity (June 2025) 1,245 GW +13.5%
Annual Growth Rate 13.5%
Global Electricity Share ~12% +1.5 pp
2025 Full-Year Outlook ~150 GW Record

By the end of June 2025, total installed wind power capacity reached 1,245 GW (1.25 terawatts), representing a 13.5% annual growth rate. Wind energy now provides approximately 12% of global electricity demand.

China dominates the market, adding 51.4 GW in the first half of 2025, more than double the previous year. The United States is expected to install over 7 GW of wind capacity in 2025, a 36% increase from 2024.

2.2 Offshore Wind Developments

Offshore wind represents a critical frontier for the industry, though it faces significant headwinds. Global offshore wind capacity reached 78.5 GW by the end of 2024, with the industry adding 11 GW of new capacity during the year.

However, the sector is experiencing challenges:

Technology Advantage

Offshore wind turbines benefit from stronger, more consistent winds, delivering capacity factors of 35-50% compared to 25-35% for onshore wind. Modern turbines generating 4-15 MW each provide economies of scale impossible to achieve on land, with blade spans exceeding 200 meters.

2.3 Technology Trends

Several technological developments are shaping the wind industry:

Turbine Scaling: Larger turbines with higher capacity factors are improving project economics. Modern onshore turbines regularly exceed 3 MW, while offshore units reach 15 MW.

Repowering: Accelerated repowering of aging wind farms is boosting output and reducing costs. Older turbines are being replaced with more efficient models, often doubling capacity at the same sites.

Floating Wind: As a fresh frontier for innovation, floating wind technology is capturing interest in markets with deep-water resources including the UK, Japan, South Korea, Norway, and France.

Grid Integration: Pumped-storage hydropower (PSH) capacity additions are forecast to double to 16.5 GW by 2030, driven by the growing need for flexibility and long-term storage to integrate variable wind and solar resources.

3. Investment and Policy Landscape

The renewable energy investment environment in 2025 is characterized by record capital flows, shifting geographic patterns, and evolving policy frameworks that are reshaping market dynamics.

3.1 Investment Trends

Renewable energy investments set another record in the first half of 2025, rising 10% from the same period in 2024 to reach $386 billion. However, asset finance for utility-scale solar and onshore wind was down 13%, reflecting an adverse policy environment in some key markets.

The global renewable energy market has reached $1.4-1.5 trillion in 2025, representing a 12-15% compound annual growth rate over the past five years. Solar energy commands 42% of the renewable market ($420-500 billion), while wind power holds 25-30% ($350-420 billion).

Table 3: Regional Market Distribution (2025)
Region Market Share Capacity (GW) Growth Rate
Asia-Pacific 55% 2,382 +21.5%
Europe 19% 849 +9.0%
North America 13% 573 +8.7%
Other Regions 13% 644 +8.0%

3.2 Policy Environment

The policy landscape is mixed, with supportive measures in some regions countered by headwinds in others:

United States: The IEA has revised its U.S. forecast down by almost 50%, reflecting policy changes including the earlier phase-out of federal tax credits, new import restrictions, suspension of new offshore wind leasing, and restrictions on onshore wind permitting.

Europe: Germany awarded nearly 11 GW of new onshore wind capacity in tenders, an all-time high representing a 70% year-on-year increase. The implementation of the EU Renewable Energy Directive's "overriding public interest" principle has streamlined permitting, reducing Germany's backlog from 11 GW in 2019 to 3 GW in 2023.

China: The country continues to lead global renewable deployment, with its wind and solar pipeline growing from 1.2 TW to 1.5 TW in 2025. China has passed 1.6 TW of operating wind and solar projects.

G7 Gap: Despite controlling roughly half of global wealth, G7 countries account for only 11% of the world's prospective wind and utility-scale solar capacity additions. The G7 pipeline has remained mostly unchanged at around 520 GW since 2023.

4. Strategic Implications and Outlook

The renewable energy sector in 2025 presents a complex landscape of opportunity and challenge. As the industry approaches a tipping point where renewables become the dominant source of global electricity, stakeholders must navigate an evolving environment characterized by rapid growth, technological innovation, and policy uncertainty.

4.1 Key Strategic Considerations

Grid Integration Imperative: The rapid deployment of variable renewable energy systems is presenting integration challenges that require coordinated investment in grid infrastructure, storage, and demand-side management. Organizations must factor these requirements into their planning and investment decisions.

Supply Chain Resilience: The concentration of manufacturing capacity in China creates vulnerabilities that are prompting diversification efforts. Companies should assess their supply chain exposure and develop strategies to mitigate risks.

Policy Risk Management: The divergence in policy trajectories across major markets requires sophisticated risk assessment and scenario planning. The 5% downward revision in IEA forecasts demonstrates the material impact of policy changes on market outlooks.

Technology Evolution: Continued improvements in solar and wind technologies, alongside emerging solutions like floating offshore wind and advanced storage, will reshape competitive dynamics. Organizations should monitor these developments to identify opportunities and threats.

4.2 Outlook to 2030

The IEA projects that global renewable power capacity will increase by approximately 4,600 GW between 2025 and 2030, roughly equivalent to adding the combined installed power capacity of China, the European Union, and Japan to the global energy mix.

2030 Projections

Renewables will account for 43% of global electricity generation by 2030 Up from 32% in 2024, with variable renewable energy sources set to almost double to 27%.
Solar PV will overtake hydropower as the largest renewable energy source Solar alone will account for over half of the projected 60% increase in renewable generation.
Wind will contribute 30% of renewable electricity growth Both onshore and offshore wind will play critical roles in the energy transition.

The path to 2030 will require sustained investment, supportive policies, and continued technological innovation. While challenges exist, the fundamental drivers of renewable energy growth—cost competitiveness, climate imperatives, and energy security concerns—remain strong. Organizations that position themselves effectively in this evolving landscape will be well-placed to capture value from the ongoing energy transition.

"With the right conditions in place, the wind industry stands ready to triple growth to the 320 GW necessary to reach climate goals." — Global Wind Energy Council, 2025

References

  1. International Energy Agency (2025). Renewables 2025: Analysis and Forecasts to 2030. IEA Publications. Available at: https://www.iea.org/reports/renewables-2025
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  4. World Wind Energy Association (2025). Global Wind Power Growth Accelerates in the First Half of 2025. WWEA Half-Year Report 2025.
  5. Wood Mackenzie and American Clean Power Association (2025). U.S. Wind Energy Monitor Q3 2025. Quarterly Market Analysis.
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  7. BloombergNEF (2025). "Record Renewable Energy Investment in 2025: Three Things to Know." BNEF Insights, September 2025.
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  10. IRENA (2025). Renewable Capacity Highlights 2025. International Renewable Energy Agency, March 2025.
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