Energy insecurity is accelerating the clean transition — and exposing fossil‑fuel risk

The shock that changed the energy playbook

The latest conflict in the Middle East has delivered another hard lesson in how geopolitics ricochets through energy systems. Oil prices surged, refining margins widened, and consumers felt the pain at the pump within weeks. A new tracker from Transport & Environment estimates oil majors could extract about €24 billion in excess profits from European drivers this year alone, a sharp reminder that in fossil markets, geopolitical risk is quickly socialized while profits are privatized.

Across Asia, governments facing tight power balances are reaching for the fastest-available fallback: coal. Reports indicate South Korea is delaying coal plant retirements and the Philippines is boosting coal output to cover shortfalls tied to the conflict’s knock-on effects. Yet experts warn this reflex exposes countries to compounding risks—air pollution, stranded assets, and continued price volatility—while diverting capital and attention from the infrastructure that would actually harden energy security.

A contrasting response is emerging elsewhere: policymakers and system operators are doubling down on renewables, storage, and efficiency. In the UK, former military leaders argue more drilling in the North Sea is a false security blanket because domestic producers still sell into global commodity markets shaped by sea-lane chokepoints and international pricing. Their prescription—accelerate wind, solar, tidal, nuclear, efficiency, and grid upgrades—captures a broader pivot now underway: energy security in the 2020s is primarily an infrastructure challenge, not a fossil-fuel production challenge.

Fossil exposure shows up first on household balance sheets

Oil spikes act like a tax on drivers and logistics. The T&E estimate of €24 billion in windfall profits due to tension-driven price rises is not just a headline number; it is a measure of household exposure to a commodity system whose volatility is structurally hard to tame. In Indonesia, the surge has reopened a national conversation about fuel subsidies, fiscal stability, and the urgency of diversifying away from fossil imports. Civil society groups are pressing for policies that move faster on domestic renewables and for mechanisms that make oil and gas companies contribute more to transition costs and climate damages.

This is where the short-term coal pivot looks less like prudence and more like a hedge that fails under stress. Coal is often priced domestically or via long-term contracts, so it can seem insulated. But many Asian economies still import coal and are exposed to the same shipping risks and market squeezes seen in oil and LNG. Meanwhile, every coal extension postpones investments that would reduce demand peaks (efficiency) or displace fuel costs altogether (wind, solar, geothermal, hydro, nuclear), locking in fragility for the next shock.

The grid is the new front line

Even where political will and capital are aligned, wires are now the rate-limiting step. Ember’s latest analysis warns that grid bottlenecks in Europe threaten about 120 GW of planned renewables, spanning both utility-scale projects and rooftops. That is enough clean capacity to materially dent fossil imports and stabilize prices, stuck behind congested transmission corridors and overloaded distribution feeders.

The lesson is clear: the constraint is shifting from generating electrons to delivering and orchestrating them. Three priorities stand out:

• Build and reinforce transmission. Cross-border interconnectors and high-capacity backbones make variable renewables dispatchable over larger geographies, flattening peaks and reducing curtailment.
• Modernize distribution networks. Smarter substations, advanced inverters, and low-voltage upgrades unlock gigawatts of rooftop solar, heat pumps, EV chargers, and community batteries.
• Procure flexibility at scale. Storage (lithium-ion for hours, emerging chemistries for days), demand response, and virtual power plants can shave peaks faster than new peakers can be permitted—and without fuel risk.

Why “more drilling” doesn’t equal “more security”

The UK debate distills a broader point: in globally traded commodities, domestic production does not immunize consumers from global prices. Crude pumped in the North Sea or the Permian is sold into markets where tankers, straits, and geopolitics set the marginal barrel. Physical supply might be marginally more assured, but price shocks still arrive—and it is price, not absolute volume, that squeezes households and industry.

By contrast, domestically produced renewables are price takers only at the point of capital investment. Once built, their marginal cost is near zero and their exposure to geopolitics is effectively nil. The primary vulnerability is infrastructure: the ability to connect, balance, and store. That is a challenge policymakers can control with permitting reform, public-interest transmission planning, and market designs that value flexibility.

Two diverging paths, one conclusion

• Path A: Short-term fossil fallback. Delay coal retirements, issue emergency import tenders, consider new domestic drilling. This approach can plug acute gaps but deepens exposure to volatile fuel prices and maritime chokepoints, adds local air pollution, and risks stranded assets.
• Path B: Resilience-first transition. Pair rapid builds of renewables with storage, demand-side measures, and grid expansion. This softens peak demand, displaces imported fuels, and stabilizes bills—precisely the attributes needed when geopolitics turns hostile.

We see both paths today. South Korea and the Philippines are leaning on coal to ride out turbulence. Indonesia’s price shock is strengthening calls to speed its renewables rollout and make fossil producers shoulder a larger share of transition costs. In Europe, a potential 120 GW of clean projects is waiting on wires and procedures, even as former defense leaders warn that more offshore drilling will not solve a price-security problem rooted in global markets.

Policy signals to watch in 2026

Governments are road-testing a new security toolkit that moves beyond fuel procurement:

• Grid acceleration packages: Dedicated funding for transmission corridors, performance-based regulation for distribution upgrades, and national interconnection deadlines.
• Flexibility markets: Clear revenue stacks for batteries, demand response, and virtual power plants so they can compete head-to-head with gas peakers for reliability services.
• Efficiency mandates: Building codes and appliance standards that permanently cut peak demand—often cheaper and faster than adding supply. Heat pump incentives and retrofit programs belong here.
• Windfall mechanisms: Temporary tax measures on extraordinary fossil profits, with proceeds recycled into consumer relief and transition investments—an approach advocated by European NGOs amid the current profit surge.
• Permitting reform with guardrails: One-stop shops, digital environmental reviews, and community benefit sharing to speed clean-energy siting while building social license.

The technology stack for resilient power

Security-driven planning changes what gets prioritized:

• Storage diversity: Short-duration lithium for intra-day shifting; emerging long-duration storage for multi-day resilience; and seasonal options where appropriate. Diversity reduces single-point failure risk.
• Controllable demand: Industrial load shifting, smart EV charging, and automated building response can eliminate gigawatt-scale peaks at a fraction of the cost and without fuel.
• Firm low-carbon: Geothermal, hydro upgrades, advanced nuclear, and system-friendly bioenergy offer complements to variable renewables where geography and economics allow.
• Digital operations: Advanced forecasting, topology optimization, and grid-forming inverters increase hosting capacity and stability without waiting for every kilometer of new lines.

The bottom line

Every major oil shock re-sorts winners and losers. This time, the winners will be the systems that treat security as an engineering and infrastructure problem, not a drilling target. The data points are converging: Europe’s 120 GW of delayed clean capacity is a wiring problem, not a resource problem; Asian coal restarts provide short-term cover at long-term cost; oil majors’ expected €24 billion in extra profits show exactly who benefits from volatility; and national security voices are saying plainly that domestic renewables and efficiency do more for resilience than new wells.

Energy security now depends on building clean energy faster—plus the grids, storage, and demand-side tools that make it dependable. Every dollar or policy hour spent on new fossil lock-in is a dollar and an hour not spent on the only hedge that actually breaks the volatility cycle.