U.S. Households Face $450 Energy Cost Rise Since Iran War Began

Americans have paid roughly $450 extra per household for fuel‑related expenses since the U.S.–Iran war began on Feb. 28, according to a Moody’s Analytics analysis shared with CNBC [1]. The added cost, amounting to about $60 billion nationwide, stems from higher gasoline, diesel and airline fares and is already wiping out the modest boost from recent tax refunds.

Key takeaways

• Average household energy bill rose $447.19 since the war’s start, a $60 billion total impact [1].
• Gasoline prices jumped over 47% to $4.39 per gallon; diesel rose similarly to $5.52 per gallon [1].
• Higher jet fuel costs added nearly $10 billion in airline fare expenses [1].
• The extra energy spend erased a $384 per‑household tax‑refund benefit from the Trump tax bill [1].
• Personal savings rate fell to 2.6% and credit‑card debt reached $1.25 trillion, indicating households are tapping savings and credit to cope [1].

Energy‑Cost Surge Tied to the Iran Conflict

Moody’s data, based on consumer price trends since Feb. 28, shows the war has driven gasoline prices up more than 47%, with the national average reaching $4.39 per gallon in late May [1]. Diesel, used by delivery trucks and other commercial fleets, climbed to $5.52 per gallon, adding over $20 billion in extra costs for consumers [1]. Airline fares also rose sharply, with jet fuel price hikes translating into nearly $10 billion of additional expenses for travelers [1].

Mark Zandi, Moody’s chief economist, warned that if current price levels persist, the average household could face nearly $2,000 in energy‑related losses over a year [1]. He noted that the higher costs are forcing consumers to dip into savings and increase debt, a trend echoed by EY‑Parthenon’s Gregory Daco, who said households are using savings, credit and wealth to sustain spending amid weak income growth [1].

Broader Economic Context and Consumer Strain

The energy price shock arrives as the U.S. economy grew 2% in the first quarter, but consumer spending slowed to a 1.6% annualized gain, reflecting the pressure on households [2]. A Gallup poll released in mid‑April found 31% of adults cite inflation and high prices as their top financial worry, with energy concerns rising to 13% of respondents—the highest level since 2008 [2].

Retailers are feeling the pinch too. Walmart reported a $175 million headwind from higher gas prices during its latest quarter, despite overall revenue growth [4]. Meanwhile, Costco saw record gasoline volumes as shoppers hunt for cheaper fuel, and McDonald’s CEO Chris Kempczinski warned that spending among lower‑income consumers may be worsening due to energy costs [1].

Why it matters

The $450 per‑household increase in energy costs illustrates how the Iran war is translating into everyday financial strain for Americans, especially those with lower incomes who allocate a larger share of their budgets to fuel and food. With personal savings at historic lows and credit‑card debt near record levels, the added expense could dampen consumer confidence and curb discretionary spending, potentially slowing broader economic growth. Analysts like Zandi and Goldman Sachs project that continued high energy prices will erode purchasing power through the rest of 2026, suggesting policymakers and businesses will need to monitor household finances closely as the conflict persists.