《世界能源转型展望：1.5°C路径》（英文）-IRENA-312页_8mb

World Energy Transitions Outlook: 1.5°C Pathway Summary

Core Content

The World Energy Transitions Outlook: 1.5°C Pathway by the International Renewable Energy Agency (IRENA) outlines the necessary steps for transitioning the global energy system to a low-carbon, climate-safe future by 2050. It emphasizes the importance of renewable energy, energy efficiency, and electrification in achieving the 1.5°C temperature goal. The report provides a comprehensive analysis of current trends, investment needs, policy frameworks, and socio-economic impacts of the energy transition.

Main Viewpoints

• Renewables are becoming the most cost-effective energy source in many markets, with their costs plummeting to the point where new fossil-based electricity is no longer competitive.
• The energy transition is accelerating due to advancements in technology, supportive policies, and international cooperation.
• Climate change mitigation is now a mainstream policy approach, with a growing number of countries committing to net-zero strategies.
• The 1.5°C pathway is achievable, but requires significant investment, structural changes, and a shift in the global energy system.
• A holistic and inclusive policy framework is essential to ensure a just transition and maximize the socio-economic benefits of the energy shift.

Key Information

1.5°C Scenario Overview

• The 1.5°C Scenario aims to reduce global greenhouse gas emissions by 45% from 2010 levels by 2030.
• It relies on renewable energy, energy efficiency, electrification, and green hydrogen as the main drivers of decarbonisation.
• The scenario assumes a rapid phase-out of coal and oil, with the share of renewables in total primary energy supply increasing significantly by 2050.

Investment Needs

• The report highlights the need for new investment priorities in renewable energy and related technologies.
• Funding structures are evolving, with an emphasis on green bonds, institutional investors, and innovative financing mechanisms.
• The energy transition will have a significant impact on capital markets, requiring a reallocation of investment to support low-carbon technologies.

Policy Framework

• Cross-cutting policies such as carbon pricing, innovation incentives, and regulatory reforms are critical to enabling the transition.
• Sector-specific policies are also outlined, including those for the power, transport, industry, and building sectors.
• Just transition policies are needed to support workers and communities affected by the shift away from fossil fuels, ensuring equity and inclusion.

Socio-Economic Impacts

• The energy transition is expected to create millions of jobs, particularly in renewable energy and related industries.
• It will have a positive impact on GDP, employment, and welfare, while also reducing environmental degradation.
• The socio-economic footprint analysis shows that the 1.5°C Scenario leads to better outcomes across all dimensions compared to the business-as-usual (PES) scenario.

Key Challenges

• The existing infrastructure is not aligned with the new energy system, requiring significant structural changes.
• Policy and market misalignments may hinder the transition, particularly in the electricity generation and distribution sectors.
• Investment risks remain, especially in emerging and developing countries, and need to be mitigated through appropriate financial tools and frameworks.

Conclusion

IRENA's World Energy Transitions Outlook provides a clear roadmap for achieving a climate-safe and sustainable energy future. It underscores the urgency of the transition, the importance of renewable energy and innovation, and the necessity of inclusive and just policies. The report serves as a valuable resource for policymakers, investors, and stakeholders to guide the global shift toward a low-carbon, resilient, and equitable energy system.