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Nearly eight months of war in Iran have produced one of the most severe energy shocks in decades, exposing a sharp divide between the countries that absorbed it with surprising ease and those forced into painful tradeoffs. Resilience, it turns out, comes less from any single technology or policy than from systems-level thinking, long-term investment, and deliberate planning. The countries that coped best were not always those with the most energy resources. They were the ones that had built flexibility, redundancy, and alternative pathways into their energy systems. China drew on strategic reserves, alternative pipeline imports, and fuel switching. The US benefited from record domestic oil and gas production, regional storage and solar to improve summer grid stability, and secure North American supply chains. Highly electrified countries such as Norway relied on hydropower, heat pumps, EVs, and infrastructure located far from the conflict zone. Emerging markets fared worse. Bangladesh and Pakistan imposed electricity restrictions and other demand-reduction measures. Wealthier economies across Europe and Asia largely avoided shortages only by paying sharply higher prices for LNG and other fuels. The dividing line ran not between producers and consumers, but between countries with options and countries without them. Three lessons stand out for governments and investors: - Domestic electrons are safer electrons. The principle is straightforward: The shorter and more secure the energy chain, the fewer vulnerabilities a country carries into a crisis. Energy that is produced, generated, or stored at home is often more reliable than energy that must travel through vulnerable supply chains and geopolitical chokepoints. Few countries can achieve outright energy independence, but all of them can reduce their exposure to single points of failure. Solar and storage have scaled quickly in recent years on cost and technical readiness alone. Some producers will expand oil and gas output as demand shifts away from the Middle East to places with safer access to global trade routes. The Iran war is also unlocking public and private money for nuclear and geothermal energy. Nuclear deserves renewed attention as both an energy and national security asset, since reactors provide reliable electricity largely insulated from short-term geopolitical shocks. Small modular reactors could go further, supplying dependable power close to military installations, advanced manufacturing facilities, and AI data centers. Meanwhile, breakthroughs in deep drilling and new enhanced geothermal systems could vastly expand access to around-the-clock power beyond “traditional geothermal regions.” - Electrification is now as much a security strategy as a climate strategy. Every domestically produced electron reduces exposure to disruptions in global fuel markets. That shifts the burden onto the grid. The challenge is no longer simply generating enough power. It is building the systems required to deliver that power where and when it is needed. The US electric grid is one of the largest on Earth, and it is aging rapidly. Some 70% of transmission lines are more than 25 years old, and the average large power transformer has been in service for nearly four decades. Demand for transformers has surged, yet the US has only one domestic producer of the specialized electrical steel needed for transformer cores. In 2025, 80% of power transformer supply and 50% of the distribution supply parts came from abroad. The American workforce is thinning too. The power sector will need more than 500,000 additional workers by 2030, just as hundreds of thousands of existing energy sector employees retire. Permitting compounds the problem: Major US infrastructure projects can take four to five years to secure approvals, delaying as much as $1.5 trillion in investment. As energy supply struggles to keep pace with demand, those delays have drawn political attention and, finally, action, including significant legislation passed at the state level and a new bipartisan permitting reform bill proposed in the Senate. - The countries that cope best with the next crisis will not necessarily be those that build the most infrastructure. They will be the ones that make the best use of what they already have. Not every energy security challenge can wait a decade for a new power plant, transmission corridor, or major industrial project. In the US, with its aging grid infrastructure and rapidly growing power demand, that constraint bites. But many of the answers already exist: Long-duration batteries can store electricity during periods of surplus and release it when shortages emerge. Grid-enhancing technologies can raise transmission capacity, ease congestion, and improve the efficiency of existing assets. Smart-grid software and demand-management tools can shift consumption away from periods of peak stress without new steel in the ground. Every crisis is said to carry opportunity. The lesson from 2026 is that the most successful energy systems of the next decade will not merely generate more power. They will store it better, move it more efficiently, and protect it more successfully. Dr Sarah Kapnick is global head of Climate Advisory, J.P. Morgan. Derek Chollet is head of the JPMorganChase Center for Geopolitics.
document fetched 2026-10-23 22:19 · canonical https://semafor.com/article/10/20/2026/for-investors-the-iran-war-redefined-energy-security