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Iran Threatens to Shut Strait of Hormuz: Global Energy Supply Under Pressure
In response to recent U.S. airstrikes on its military assets, Iran’s Parliament has greenlit a proposal to close the Strait of Hormuz, pending final approval from the Supreme National Security Council. If enacted, this move could significantly disrupt global oil flows and escalate tensions in the region.
Why the Strait of Hormuz Matters
The Strait of Hormuz is a narrow yet vital maritime corridor linking the Persian Gulf to the Gulf of Oman and, ultimately, the Arabian Sea. It''s a critical route for major oil-exporting nations such as Iran, Saudi Arabia, and the UAE.
At its slimmest, the strait spans just 33 kilometers, with each direction confined to a 3 km-wide shipping lane, making it particularly vulnerable to disruptions or maritime threats.
In 2024–25, this strait carried over 25% of global seaborne oil and nearly 20% of total global oil and petroleum consumption. It also accounted for 20% of the world’s liquefied natural gas (LNG) trade, primarily from Qatar.
Key Vulnerabilities and Constraints
- No Maritime Alternatives: There’s no viable sea route to replace the Strait. Any prolonged closure would paralyze global oil and gas logistics, triggering severe supply shocks and inflation.
- Insufficient Land Pipelines: While Saudi Arabia’s East-West pipeline (5 million bpd) and UAE’s Fujairah pipeline (1.8 million bpd) offer limited alternatives, they cover only a fraction of the 20 million bpd transiting Hormuz daily.
- Rising Costs for Global Shipping: Heightened threat levels would spike insurance premiums and operational expenses for vessels in the region, raising global shipping and trade costs.
- Military and Cyber Risks: A blockade could involve sea mines, anti-ship missile attacks, detainment of commercial vessels, or even cyberattacks on maritime navigation systems.
Despite issuing such threats in the past, Iran has never followed through—even during periods of intense conflict. Analysts suggest an actual closure would hurt Iran’s own economy, especially its crucial oil exports to China, and jeopardize improving ties with Saudi Arabia and the UAE.
Blocking the strait would not only hurt Iran’s trade but also provoke a likely military reaction, particularly from the U.S. Navy’s Fifth Fleet, stationed in the region.
How This Affects India
· India, the world’s third-largest consumer of crude oil, imports more than 85% of its oil and around 50% of its natural gas.
· In May 2025, nearly 47% of India’s crude imports passed through the Strait of Hormuz, making it a strategic energy artery. Supplies from Iraq, Saudi Arabia, UAE, Qatar, and Oman are especially at risk.
1. Primary Threat: Price Shock, Not Supply Disruption: While India has diversified its suppliers—sourcing oil from Russia, the U.S., Africa, and Latin America—a Hormuz blockade would unsettle global supply chains. Even if actual availability remains steady, global oil and gas prices would surge, affecting:
· India’s trade balance
· Foreign exchange reserves
· The rupee’s value
· Domestic inflation levels
If China faces supply cuts from Iran, it may outbid other buyers for oil from alternate suppliers, intensifying competition and further inflating prices. This would strain India’s refining margins, as per S&P Global, and raise freight rates and insurance costs.
Some analysts predict oil prices could temporarily spike to USD 80 per barrel amid escalating Middle East tensions.
2. India’s Other Energy Routes Remain Operational
· Russian oil reaches India through the Suez Canal, around the Cape of Good Hope, or via Pacific routes—bypassing Hormuz entirely.
· LNG imports from Qatar and other nations like Australia, Russia, and the U.S. remain largely unaffected.
India’s Mitigation Strategy: Diversify and Stabilize
To manage potential fallout, India could:
- Tap its strategic petroleum reserves, which cover 9–10 days of import needs.
- Ramp up oil imports from countries like Nigeria, Angola, Brazil, and the U.S., albeit at higher transport costs.
- Consider temporary subsidies on fuels like diesel and LPG to ease inflationary pressure on households.
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