The World Energy Investment report is an annual flagship publication by the International Energy Agency (IEA). Established in 2016, it serves as the global benchmark for tracking real-world capital flows across the energy landscape. By aggregating data from corporate balance sheets and public spending, the report provides policymakers and investors with an objective map of where money is being committed, bridging the gap between political rhetoric and actual financial investments.

From the 2026 report:
Despite severe geopolitical instability in the Middle East, global energy investment is projected to reach USD 3.4 trillion in 2026, a 5% increase from 2025. Clean energy and infrastructure represent the lion’s share at USD 2.2 trillion, while USD 1.2 trillion is directed toward fossil fuels. Driven by profound transit vulnerabilities—particularly surrounding the Strait of Hormuz—decision-makers are aggressively prioritizing energy security, resilience, and supply diversification.

Fossil Fuels and Regional Disruptions

• Oil: Global oil investments are declining for a third consecutive year to under USD 500 billion. Conflict-related infrastructure damage (estimated in the tens of billions of dollars) and project delays have suppressed Middle East spending, while long project cycles and tight offshore markets limit near-term supply expansions elsewhere.

• Natural Gas: Gas supply investments will hit a ten-year high of USD 330 billion in 2026, led by a massive wave of LNG export projects in the U.S. and Qatar. However, infrastructure bottlenecks and high prices are making price-sensitive Asian buyers wary.

• Coal: Driven by a desire for domestic energy security, coal supply spending is rising to USD 180 billion (the highest since 2012), with China (70%) and India dominating investment.

The Rise of Clean Energy and Nuclear

Fuel-importing nations are pivoting heavily toward domestic resources to insulate themselves from external shocks:

• Renewables: Annual spending on renewable power stands at USD 665 billion, with solar leading at USD 365 billion ($1 billion per day). While falling technology costs and policy changes in the U.S. and China caused a slight year-over-year spending dip, distributed solar and battery imports have skyrocketed across developing African and Asian markets.

• Nuclear: Nuclear energy is rebounding strongly with USD 80 billion in annual investment and 78 GW under construction. China and Russia supply 94% of recently built reactor designs, but the crisis is fueling global interest in diversifying the technology mix, including Small Modular Reactors (SMRs).

The Age of Electricity and the AI Tech Boom

Electricity-related spending now comprises nearly 60% of global energy investment, set to reach USD 2 trillion in 2026 when including end-use electrification (such as surging EV markets in Southeast Asia and heat pumps in Europe).

• Grids and Storage: Investment is actively rebalancing toward infrastructure. Grid spending is projected to rise nearly 20% to USD 550 billion, while power-sector battery storage will exceed USD 100 billion.

• The AI Factor: Data centers and artificial intelligence have become primary drivers of energy trends. Global data center infrastructure investment topped USD 100 billion in 2025, and the tech sector accounted for 40% of all corporate power purchase agreements (PPAs), significantly driving a major resurgence in U.S. gas-fired power plant orders.

Financing Constraints and Supply Chains

The conflict has stoked inflation fears, keeping long-term borrowing costs higher for longer. This disproportionately impacts capital-intensive clean energies and emerging economies, where the cost of capital is already double that of advanced nations. Furthermore, the shift toward electricity introduces concentrated supply chain dependencies: China controls 75% of clean energy manufacturing investment and over one-third of global public energy R&D.