When the future of global geopolitics is examined through the lens of THOGG — the History of Global Geopolitics — energy appears as one of the most persistent structural forces shaping the behavior of nations. States rarely pursue power in the abstract. Instead they pursue the resources that allow their societies, industries, and militaries to function. Throughout modern history the dominant energy source of an era has strongly influenced the geopolitical structure of that era. Coal powered the industrial expansion of nineteenth-century European empires and fueled the naval fleets that projected their power across the world’s oceans. Oil later became the central fuel of the twentieth century, powering mechanized warfare, global transportation networks, and the vast industrial systems of modern economies. As energy systems evolve, the strategic map of the world evolves with them.
During the twentieth century petroleum became the most strategically significant energy resource on the planet. Oil possesses several characteristics that made it uniquely suited to power industrial civilization. It contains a high concentration of energy, it can be transported relatively efficiently through pipelines and tanker fleets, and it can be refined into multiple fuels that power everything from automobiles and cargo ships to aircraft and military vehicles. Because modern economies depend heavily on these transportation and industrial systems, access to reliable oil supplies became a central concern of national security strategy for many governments.
The geographic distribution of petroleum resources, however, introduced a powerful structural imbalance into the international system. Large reserves of oil are concentrated in relatively limited regions of the world, particularly the Persian Gulf, parts of Russia, North America, and several major basins in South America and Africa. Many of the world’s most industrialized nations possess far smaller domestic reserves than their energy consumption requires. This imbalance forced governments to construct complex global supply networks designed to move enormous volumes of oil from producing regions to consuming regions. These networks include pipelines stretching across continents, massive tanker fleets crossing the oceans, and strategic shipping routes connecting major maritime basins.
Because these supply networks are geographically constrained, certain locations acquired extraordinary geopolitical importance. Narrow maritime chokepoints became critical arteries through which global energy flows must pass. The Strait of Hormuz at the entrance to the Persian Gulf carries a large portion of the world’s seaborne oil exports. The Suez Canal connects the Mediterranean Sea with the Red Sea, providing a vital shortcut between European and Asian energy markets. The Strait of Malacca between Malaysia and Indonesia forms one of the most heavily traveled shipping lanes in the world, linking the Indian Ocean with the Pacific and serving as a key route for energy shipments to East Asia. Disruptions in any of these locations can send immediate shockwaves through the global economy, which is why major naval powers continue to patrol these regions and treat them as strategic priorities.
History repeatedly demonstrates the geopolitical consequences of this structure. The strategic importance of Middle Eastern oil shaped Cold War alliances and military deployments across the region. Conflicts involving Iraq, Kuwait, and Iran repeatedly drew international attention because of the region’s energy significance. Military coalitions formed during the Gulf War in 1991 were motivated in large part by concerns about protecting access to Persian Gulf oil supplies. Even today, naval forces from multiple major powers maintain a continuous presence in key maritime corridors to ensure that the global energy system continues to function without disruption. In the oil era, protecting access to petroleum resources became inseparable from maintaining economic stability and military capability.
Long before coal mines, oil fields, and hydrogen technologies existed, human societies were already competing over access to critical resources. Early civilizations fought over fertile river valleys, timber supplies, grazing land, and metal deposits that allowed them to build tools and weapons. Control of these resources determined which societies could grow, defend themselves, and expand their influence. As technology advanced, the specific resources changed but the underlying pattern remained the same. Coal powered the factories, railways, and steel production that allowed industrial empires to dominate the nineteenth century. Oil later powered the mechanized armies, aircraft, naval fleets, and global transportation systems that defined twentieth-century geopolitics. In every era the dominant energy system influenced the balance of power between nations. The emerging hydrogen economy represents the next stage in this long historical progression.
Hydrogen differs from oil in one critical respect: it is not a resource extracted from specific geological deposits but an energy carrier that can be produced from widely available materials. Water is abundant across the planet, and hydrogen can be generated by separating hydrogen and oxygen molecules using heat and electricity. Because these inputs exist in many regions of the world, hydrogen production has the potential to become far more geographically distributed than traditional fossil-fuel extraction. Instead of relying on a small number of concentrated oil basins, nations could theoretically produce significant portions of their energy locally using hydrogen systems powered by renewable energy, nuclear heat, or other thermal sources.
This shift could gradually alter several structural features of the global energy system. When energy production becomes more geographically distributed, the strategic importance of certain supply routes and fuel deposits may decline. Countries that previously depended heavily on imported oil could gain greater energy independence by producing hydrogen domestically. Over time this could reduce some of the geopolitical pressures that arise when large industrial economies depend on fuel extracted from distant and politically unstable regions. The global energy network would still exist, but it might operate more like a decentralized system rather than a narrow set of critical supply corridors.
Technological developments may further expand these possibilities. One example involves systems capable of converting existing heat sources into continuous hydrogen production. Concepts such as the Hot-Rock Hydrogen Reactor explore the possibility of using extremely hot geological or nuclear-derived heat sources to superheat water and drive energy-production cycles. In such systems heat can act like a permanent heating element, raising water to extremely high temperatures deep underground or beneath the ocean floor. As the heated water rises through pressure-controlled piping systems, it can flash into high-velocity steam that spins turbines and generates electricity. That electricity can then be used to produce hydrogen through electrolysis, while the water is condensed and recycled in a closed system. Although technologies like this are still evolving, they illustrate how future hydrogen infrastructure could draw energy from heat sources that already exist within the Earth or within stored materials such as vitrified nuclear waste.
If hydrogen production technologies continue to advance, the geopolitical implications could be significant. Energy production may gradually become less dependent on a small number of fuel deposits and more dependent on technological capability. Instead of competing primarily for oil fields, nations might compete over engineering expertise, infrastructure development, and energy conversion systems. Control of technology, manufacturing capacity, and scientific innovation could become more important than control of underground fuel reserves.
None of this means that geopolitical competition will disappear. Energy transitions rarely eliminate rivalry between states; they simply change the form that rivalry takes. However, a world in which energy can be produced from widely distributed resources may operate under different structural pressures than a world built around a few concentrated oil basins and vulnerable maritime chokepoints. The hydrogen economy therefore represents not only a technological transition but also a potential shift in the deeper geopolitical patterns that have shaped global conflict for more than a century.
From the perspective of THOGG, the broader pattern becomes clear. Civilizations rise and compete within the limits of the energy systems they can control. Coal powered the first wave of industrial empires. Oil structured the strategic landscape of the twentieth century. Hydrogen may become one of the defining energy systems of the twenty-first century. If that transition continues to unfold, the map of global power may gradually change with it.
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