Asian governments and utilities are increasing coal use as conflict involving Iran disrupts oil and gas shipments through a vital seaway. The shift is a bid to keep power grids stable and factories running while fuel deliveries slow and prices swing. The move affects major importers across the region and could raise emissions in the short term.
The turn to coal is tied to the Strait of Hormuz, a maritime chokepoint linking the Persian Gulf to global markets. Energy cargoes that serve Asian demand move through this narrow route. When risk rises, insurers lift costs, shippers face delays, and supplies tighten.
Why the Strait of Hormuz Matters
Asian countries are turning to coal as the Iran war disrupts oil and gas shipments. The continent is exposed because it relies on imported fuel, much of it passing through the Strait of Hormuz — a chokepoint for about a fifth of global oil and natural gas trade.
The share of global oil and natural gas crossing the strait makes Asia sensitive to turmoil. Import dependence leaves little cushion when tankers reroute or idle. Utilities that count on steady cargoes must secure backup fuel to avoid blackouts.
Power producers can stockpile coal and fire it quickly when gas supplies tighten. That flexibility helps explain the early shift. It also reflects cost: when shipping risks rise, coal often becomes the cheaper, faster option for base-load power.
Gas Markets Under Pressure
LNG is a natural gas cooled to liquid form for easy storage and transport.
Liquefied natural gas (LNG) is central to Asia’s power mix. The region buys large volumes on contract and on the spot market. Disruptions ripple through both. Longer voyages, higher insurance, and fewer available ships can lift delivered prices.
Many Asian buyers balance LNG with coal in their generation plans. When LNG cargoes get delayed, plants switch fuels. That can happen fast, especially in countries with mixed fleets and flexible boilers.
Short-Term Stability, Long-Term Tradeoffs
Officials face a narrow path: keep lights on and inflation in check, while sticking to clean energy goals. Coal offers immediate reliability, yet it carries higher carbon emissions and local air concerns.
- Grid stability: Coal plants provide steady output during fuel shocks.
- Costs: Shipping risks can raise LNG and oil prices, tilting economics toward coal.
- Climate goals: More coal use can slow emissions cuts and complicate policy targets.
Environmental groups warn the shift could lock in higher emissions if it lasts. Utilities counter that coal use is a stopgap, to be dialed back once LNG shipments normalize and renewables expand.
Policy Responses and Market Signals
Governments are drawing on stockpiles, running fuel tenders, and seeking flexible supply clauses. Some are boosting storage for both coal and gas to handle longer disruptions. Others are adjusting power tariffs to reflect higher input costs while protecting low-income users.
Power companies are also managing maintenance schedules to keep coal units available during peak demand. Where possible, grid operators are adding more demand response to shave usage during tight hours. These steps can reduce the need for extended coal runs.
What To Watch Next
Several indicators will show whether coal use is a brief bridge or a longer shift. Shipping insurance rates for Gulf voyages, LNG spot prices in Asia, and coal import volumes will be key. Weather will matter, too. A hot summer or cold winter can strain supplies and push utilities back to coal.
Renewable buildouts continue, but they take time to deliver firm capacity. Storage projects and grid upgrades could ease future shocks. Until then, energy security concerns are driving tactical fuel choices.
For now, the balance tilts to reliability. If shipping lanes calm and LNG flows improve, coal demand could ease. If disruptions persist, Asia’s power sector may lean on coal longer, testing climate plans and household budgets alike.
