Factory production in the United States unexpectedly declined for the first time this year, as cooling business equipment output and rising input costs weighed on manufacturers.

Data released by the Federal Reserve on Friday showed manufacturing output fell 0.3% in August, contrary to the median forecast of a 0.3% gain from economists polled. Capacity utilization in the factory sector slipped to 75.7%, marking its lowest level in five months.

Total industrial production, which also encompasses mining and utilities, remained flat overall. Utility output rose 1.8% on the back of stronger electricity demand, while mining output posted a modest gain.

Looking at specific sectors, output declined last month for computers and electronic products, furniture, and fabricated metals, while machinery, apparel, and textiles saw increases. Motor vehicle production fell 1.2% from the prior month. Excluding automobiles, manufacturing output was down 0.2%.

Rising input costs and supply chain strains pose downside risks for manufacturing

The slowdown in August manufacturing output signals a pause in the sector's recovery momentum, which had been fueled earlier this year by robust capital expenditure and healthy consumer demand.

Producers are currently contending with higher costs for oil and other raw materials, alongside supply chain disruptions stemming from conflicts in the Middle East and Ukraine. A team led by Michael Gapen at Morgan Stanley noted in a report:

"We have consistently cautioned that rising energy prices and geopolitical risks present downside risks to manufacturing. The August industrial production report may be an early sign that these risks are beginning to materialize."

According to the Fed's report, business equipment output dropped 0.5% following robust gains in previous months, while defense and aerospace equipment output fell 1.2%. Construction supplies, along with home electronics and information processing equipment, also recorded output declines.

Despite the monthly setback, output for both business equipment and defense and aerospace equipment remains significantly higher compared to the same period last year. Economist Andrew Sacher noted:

"A single month of weakness is insufficient to derail the investment growth trend driven by AI. However, the broad decline in durable goods output contradicts other recent reports. If this trend continues to evolve, the Federal Reserve may ultimately find itself tightening monetary policy just as a key growth driver of the economy begins to lose steam."