According to a recent estimate by Climate Analytics and the Climate Institute, important countries must considerably increase wind and solar electricity to limit global warming to 1.5°C. The study looked at 11 countries, which account for more than 70% of global wind and solar capacity. Wind and Solar energy must increase fivefold to achieve the Climate Goals of the Paris Agreement by 2030 and eightfold by 2035. This would necessitate a three-times increase in annual growth rates as compared to the current levels.

Countries like China, India, the United States, and Germany, pioneers in renewable energy deployment, must accelerate their efforts to scale wind and solar power. Although progress has been made, it is insufficient to meet the 1.5°C climate objective. The study emphasises the importance of speeding up renewable energy growth and the critical role of international cooperation and finance, particularly in emerging nations.

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Country-level Progress and Challenges

China, the world’s leading greenhouse gas emitter, has already surpassed its 2030 target of 1.2 terawatts (TW) of wind and solar power, six years ahead of schedule. This rapid increase establishes China as a global leader in renewable energy deployment. If the country continues to grow at its current rate, it will be able to construct the 4.5 TW of capacity required by 2030 to reach the 1.5°C objective. To replace China’s significant reliance on coal power, wind and solar energy must increase fivefold to achieve climate goals and meet the country’s electricity demand.

India has also made great advances, although it confronts financial challenges in expanding its wind and solar capacity. To satisfy its climate commitments and growing energy demand, the country must raise its renewable capacity fivefold to more than 600 gigawatts (GW) by 2030. India will need more international climate money, concessional loans, and increased global cooperation to achieve this. These financial structures are critical to lowering the country’s coal reliance and guaranteeing a smooth transition to clean energy.

To meet the 1.5°C goal, wind and solar capacity in the United States must be significantly increased. By 2030, the country’s renewable capacity must have nearly fivefold increased, reaching approximately 1,400 GW. While the Inflation Reduction Act has hastened the adoption of renewable technologies, the report warns that more work is required to achieve the country’s goal of completely decarbonising the electricity industry by 2035.

In contrast, Germany will reach its wind and solar capacity ambitions by 2030. To enable a Paris-compatible energy transition, the research recommends that Germany agree to phase out coal by 2030 and fossil gas by 2035. Achieving these goals will allow the country to continue its leadership position in renewable energy.

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The Way Forward for Global Renewables

The research intends to help nations set ambitious new climate targets in line with the COP28 promise to triple renewable energy capacity by 2030. It emphasises that wind and solar power are essential to global energy transformation. In the short term, wind energy will be necessary, generating more electricity than solar power until the mid-2030s. However, by 2050, solar power is expected to be the dominant source of electricity, accounting for roughly half of global output.

As countries update their climate commitments, prioritising wind and solar energy will be critical to aligning global efforts with the 1.5°C target. The research emphasises that meeting these goals will necessitate national action and more international cooperation and financial assistance, particularly for developing nations. By accelerating the deployment of renewable technology, the world can lessen its reliance on fossil fuels and set a more sustainable path for future generations.

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