Global Renewable Energy Growth: Trends and Challenges

The International Energy Agency (IEA) projects that global renewable energy capacity will more than double by 2030, increasing by 4,600 gigawatts (GW). Solar energy is expected to drive approximately 80% of this growth, followed by wind, hydro, bioenergy, and geothermal sources. However, the IEA has significantly downgraded its forecast for renewable energy deployment in the United States, predicting an increase of only 250 GW by the end of 2030—nearly 50% lower than previous estimates. This reduction is attributed to policy changes, including the early termination of federal tax credits and new restrictions on offshore and onshore wind and solar projects.

The IEA has significantly downgraded its forecast for renewable energy growth in the US through 2030Renewable capacity in Asia-Pacific ex-China to almost double over next 5 years: IEAGlobal Renewable Energy Capacity Set to More Than Double by 2030, IEA SaysRenewable energies surpass coal: the planet enters a new global electric era that cares for the environmentIndia Set to Power the World: Nation to Remain a Global Wind Energy Export Hub Through 2030

In the Asia-Pacific region, excluding China, renewable energy capacity is anticipated to expand by 670 GW between 2025 and 2030, with India expected to account for half of this growth. The region is projected to see a significant increase in solar photovoltaic systems, which will make up nearly 75% of total renewable capacity additions. Vietnam and Indonesia are also expected to contribute notably to this growth, with Vietnam leading the ASEAN region.

Renewable capacity in Asia-Pacific ex-China to almost double over next 5 years: IEAThe IEA has significantly downgraded its forecast for renewable energy growth in the US through 2030India Set to Power the World: Nation to Remain a Global Wind Energy Export Hub Through 2030Renewable energies surpass coal: the planet enters a new global electric era that cares for the environmentGlobal Renewable Energy Capacity Set to More Than Double by 2030, IEA Says

China continues to lead the global renewable energy sector, meeting all of its power demand growth in the first half of 2025 through clean electricity generation. Reports indicate that China accounted for 55% of the global rise in solar generation and 82% in wind generation during this period. Despite ongoing coal plant expansions, China's clean energy transformation is reshaping the global energy economy, making renewables and related technologies more accessible worldwide.

China DailyRenewable energies surpass coal: the planet enters a new global electric era that cares for the environmentThe IEA has significantly downgraded its forecast for renewable energy growth in the US through 2030India Set to Power the World: Nation to Remain a Global Wind Energy Export Hub Through 2030Renewable capacity in Asia-Pacific ex-China to almost double over next 5 years: IEA

The International Renewable Energy Agency (IRENA) highlights the importance of gender inclusion in the renewable energy workforce. As of 2023, women represent only 32% of the sector's workforce, a figure lower than in other industries. IRENA calls for gender-sensitive policies and initiatives to enhance women's participation in decision-making roles, emphasizing that achieving gender equality is crucial for a successful energy transition.

Empowering Equality: IRENA’s 2025 Report Highlights Women’s Role In Driving The Global Renewable Energy Transition

The U.S. renewable energy sector faces significant challenges due to recent policy shifts under the Trump administration, which has prioritized fossil fuels and imposed stricter regulations on solar and wind projects. The cancellation of the Esmeralda 7 solar project in Nevada exemplifies this trend, raising concerns about the future of renewable energy development in the U.S. Critics argue that these policies could hinder emissions reductions and slow the transition to cleaner energy sources.

Trump Axes 6.2GW “Vegas-Sized” Solar Farm in Nevada – Renewable Energy Industry Reels

While the IEA expects renewables to surpass coal as the largest source of electricity generation globally by the end of 2025, challenges remain. Issues such as supply chain vulnerabilities, financing difficulties, and the need for grid modernization are pressing concerns. The success of the renewable energy transition will depend on effective policy implementation, investment in infrastructure, and addressing gender disparities within the workforce.

Global Renewable Energy Capacity Set to More Than Double by 2030, IEA Says

• “China's clean energy development benefits the world by making renewables and related technologies cheaper and more accessible,” — Xiao-Ping Zhang, Professor of Electrical Power Systems

China Daily

• “In conclusion, IRENA stresses that the renewable energy transition presents a once-in-a-generation opportunity to not only build a cleaner planet but also a fairer society.” — IRENA Report

Empowering Equality: IRENA’s 2025 Report Highlights Women’s Role In Driving The Global Renewable Energy Transition

• “Kabir Green (NRDC) said the approach isn’t about oversight but “unfettered obstruction” of projects “that create jobs, cut pollution, lower costs” [38].” — Kabir Green, NRDC

Trump Axes 6.2GW “Vegas-Sized” Solar Farm in Nevada – Renewable Energy Industry Reels

Discrepancies exist regarding the future growth of renewable energy in the U.S. The IEA's downward revision contrasts with more optimistic projections from other sources, indicating a potential "boom-bust" scenario for clean energy investments. Additionally, while some reports highlight significant growth in renewable energy capacity globally, others point to persistent challenges that could impede this progress.

The IEA has significantly downgraded its forecast for renewable energy growth in the US through 2030