Global Energy Outlook 2026: Challenges of the 1.5°C Climate Target and Real Considerations for Energy Transition

Global Energy Outlook 2026: Challenges to the 1.5°C Climate Goal and Real Considerations for Energy Transition

Introduction

The global energy landscape in 2025 is undergoing a profound structural transformation. The long-standing commitment worldwide to limit the average temperature rise to 1.5°C is facing unprecedented real-world tests. As policymakers prioritize energy security and affordability over climate goals, the energy transition is no longer a linear technological upgrade but a complex system engineering challenge involving geopolitics, capital flows, and infrastructure reshaping. This article will examine the current energy structure, the evolution of climate policy, based on long-term scenario analyses from international energy agencies (IEA) and others, and discuss the systemic challenges and future evolutionary paths facing the global energy transition in the current environment.

Industry Background

Current Energy Structure and Global Trends ext{Global energy consumption and emissions continue to grow, although some scenarios predict a peak in emissions between 2030 and 2035. However, global CO2 emissions related to energy already exceeded 38 billion tons in 2024. The latest assessments from climate science clearly indicate that the path to achieving net-zero emissions by 2050 is significantly uncertain under the existing policies and technological pathways. Many long-term energy scenarios suggest that even with aggressive emission reduction measures, global temperatures could still exceed the 1.5°C threshold. This highlights the significant gap between technological feasibility and policy will in addressing the climate crisis through energy systems.}

Evolution of the Policy Environment

ext{The focus of international climate policy is shifting from purely emission reduction targets to energy security and supply assurance. Governments and international organizations are balancing the relationship between energy reliability, price stability, and decarbonization speed when formulating policies. Although many countries are committed to promoting clean energy, investment decisions in energy infrastructure are increasingly constrained by geopolitical factors and short-term economic demands, making long-term, large-scale green investment deployment uncertain.}

Current Developments

Key Actions in Energy Structure Transformation ext{The current energy transition exhibits a multipolar characteristic. On one hand, in the renewable energy sector, the deployment speed of solar and wind power is growing strongly, driving down the cost of related technologies. On the other hand, at the power system level, the demand for energy storage systems has rapidly escalated from an auxiliary role to a core element of system stability. Battery technology has made significant progress in improving energy density and cycle efficiency, providing new technological support for grid flexibility. Furthermore, exploration of green hydrogen is deepening, being viewed as a potential key pathway to decarbonize heavy industry and hard-to-abate sectors.}### 3.### 3. Policy Uncertainty and Geopolitical Risks ext{Short-term fluctuations in climate policy and geopolitical conflicts pose significant risks to long-term energy investment planning. Rapid policy changes may cause investors to hesitate regarding investment directions, affecting the long-term planning of critical infrastructure. At the same time, the volatility in raw material supply, especially for critical minerals and energy resources, may also become a potential bottleneck constraining the large-scale commercialization of green technologies.}

Future Outlook

Energy Structure and Investment Trends ext{Looking ahead 20 years, the energy structure will exhibit a high degree of "decentralization" and "diversification." Energy supply will become more reliant on regional, localized energy solutions, while cross-regional power transmission will become a new strategic focus. Investment will continue to concentrate on key technologies that can solve system bottlenecks, such as long-duration energy storage, smart grid operation, and large-scale demonstration projects for green hydrogen. ESG investing will transition from a "bonus" to a "necessity," driving deep decarbonization transformations in enterprises.}

Direction of Technological Development ext{Technological development will move towards system integration and intelligence. Smart grids will become standard infrastructure, not only for optimizing existing grid operations but also as a platform for energy demand-side management and virtual power plant operation. Hydrogen technology is expected to move from the proof-of-concept stage to commercial application, especially in industrial decarbonization and long-distance transport. Photovoltaics and wind power will continue to reduce costs through economies of scale and become a major component of the power mix.}

Global Competitive Landscape ext{The global energy competition landscape will place greater emphasis on the "resilience" and "supply security" of energy technologies. Countries will pay more attention to establishing localized energy supply chains and self-sufficiency in key technologies to reduce dependence on external markets. Regarding climate policy, although achieving targets will be more difficult in the short term, policy support for long-term low-carbon technology points will continue to exist, forming a virtuous cycle of technological competition and standard-setting competition.}