The American steel industry has enjoyed a construction boom from AI data centers, but steelmakers now face an unexpected challenge: fierce competition for electricity with their newest big customers. Both industries require massive amounts of power, creating tension in regions where supply is limited and costs are rising rapidly.

Electricity costs are surging for steel companies already. Metallus, a Canton, Ohio-based steelmaker, reports electricity expenses 70% higher since 2024 with annual increases of about $15 million. These rising costs directly threaten operational margins and could reshape the competitive landscape for steel production in key markets.

"We as an industry are very reliant on electricity to make steel," said Rob Simon, chief executive of JSW Steel USA, which operates an electric furnace plant in Mingo Junction, Ohio. Decades of stable electricity pricing may be ending as data centers consume unprecedented power volumes.

The shift represents a fundamental change in industrial power dynamics. Steelmakers built their business models around predictable energy costs, while data centers operate with different priorities and scale. This mismatch could force steel companies to reconsider locations or invest heavily in alternative energy sources to maintain competitiveness.