A historic energy bill in six months

The conflict between the US, Israel, and Iran has not only reshaped geopolitics in the Middle East — it has left deep marks on the world's energy markets. According to figures from the Centre for Research on Energy and Clean Air (CREA), a Finnish climate-focused research institution, the global bill for imports of oil, fuel, and liquefied natural gas (LNG) has swelled by an estimated $330 billion compared to what analysts had projected, measured over the period from March to August 2026.

Research data shows that Brent crude oil surged by as much as 63 percent in March 2026 — the largest monthly increase ever recorded. At its peak, Brent traded above $120 per barrel, up from around $72 just before the outbreak of war, according to market data cited by OilPrice.com.

$330bn
Increase in global energy import bill
63%
Brent rise in March 2026
$120
Brent peak level (USD/barrel)
The Iran war has sent the world's energy bill up by $330 billion - Bilde 1

The Strait of Hormuz — the vulnerable chokepoint

A key driver of the price shock is the effective restriction of shipping traffic through the Strait of Hormuz. Under normal circumstances, roughly 20 percent of the world's oil exports and a comparable share of global LNG volumes pass through this strategic strait. Any disruption there sends immediate shockwaves through international energy markets.

Al Salazar, head of macro research at Enverus Intelligence Research, warned as early as March that "a prolonged disruption of the Strait of Hormuz would represent a significant macroeconomic shock, rapidly tightening energy balances while increasing the risk of recession."

Even a "less severe than feared" price spike has translated into a historic cost of $330 billion — and the war is not yet over.
The Iran war has sent the world's energy bill up by $330 billion - Bilde 2

European gas and British energy bills under pressure

Europe is particularly exposed. European natural gas rose by 19.1 percent in July 2026 alone, according to the World Bank's energy price index, which otherwise showed an overall decline of 1.1 percent. Craig Lowry of Cornwall Insight has noted that the UK's heavy dependence on imported natural gas makes the country's energy stability fundamentally tied to international events beyond British control. Forecasts now point to typical British energy bills potentially reaching a three-year high of around $1,729 for winter 2026.

Industry and households pay the price

The effects are spreading rapidly down the supply chain. A 2026 report shows that 90 percent of manufacturing companies report higher energy costs, and that 70 percent are passing these on to consumers. Thirteen percent of businesses warned that further cost increases could force them to shut down.

Not over yet

CREA emphasizes in its report that the conflict has not ended, and that the total cost may continue to grow. Heather Boushey, economist at the White House, has broadly warned that "history shows that when energy prices rise sharply, it spills over into inflation, food prices, and employment." Although price increases so far have been lower than many feared in the early stages of the war, the cumulative effect of persistently elevated prices is already historic.

For Norway, itself a significant oil and gas producer, the picture is more nuanced. Higher energy prices generate increased export revenues and strengthen the state's income base through the Government Pension Fund Global, but they also affect the competitiveness of Norwegian industry and imported inflationary pressures that Norges Bank must factor into its interest rate decisions.

Globally, the conclusion is clear: a war of limited military scale has had unlimited ripple effects on the world's energy economy.