SunCoke Energy, Inc.

What they make

1 input SunCoke Energy, Inc. supplies

Click an input to see every good that depends on it, every country that produces it, and every other company in the supply chain.

Intelligence

What's known

Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.

• Did you know2024

  SunCoke's metallurgical coke plants co-generate electricity from waste heat as a necessary byproduct of the cokemaking process — making SunCoke simultaneously an industrial materials supplier (coke for steel blast furnaces) and a power generator. SunCoke's heat-recovery oven process captures approximately 50-60% of the chemical energy in coking coal as high-pressure steam, which drives turbines generating 60-100+ MW of electricity per large plant. SunCoke's Haverhill facility in Ohio and Middletown facility in Ohio both sell electricity into the regional grid. This means the SunCoke plant next to a steel mill simultaneously: (1) supplies the coke that makes the pig iron that becomes steel sheet for car bodies; and (2) generates electricity that flows into the Ohio regional power grid, potentially powering the homes and businesses near the steel mill. A coke plant is both an industrial raw material manufacturer and a baseload power plant — two infrastructure categories typically regulated by different agencies (EPA and FERC) with different compliance frameworks, but occupying the same facility.

  SunCoke Energy, Inc. ↗

• Concentration2024

  The US domestic metallurgical coke industry has consolidated to a handful of producers, with SunCoke Energy as the largest independent. US blast furnace steel production depends on domestic coke supply supplemented by imports (primarily from Poland, China, Colombia). When Chinese coke exports declined and freight costs increased in 2021-2023, the US domestic coke supply (primarily from SunCoke and captive integrated mill operations) became more strategically critical to maintaining US steel output. SunCoke's long-term supply agreements with Cleveland-Cliffs (the largest US integrated steel producer by volume) make SunCoke the dedicated coke supplier for specific blast furnaces — the physical infrastructure of US steel production runs through SunCoke's specific ovens adjacent to specific mills. If a SunCoke plant adjacent to a steel mill had an extended outage (fire, explosion, regulatory shutdown), the mill it serves would face coke supply disruption potentially faster than it could arrange alternative supply. Steel production continuity at specific mills is therefore directly linked to SunCoke plant continuity at those specific locations.

  SunCoke Energy, Inc. ↗

• Origin2024

  SunCoke Energy was spun off from Sunoco Inc. (the Philadelphia-based petroleum refiner) in 2011 as an independent publicly-traded company. Sunoco had operated coke plants since acquiring the Jewell Coke Company — the inventor of the heat-recovery coke oven — which developed the process for capturing waste heat from coke ovens to generate electricity. Conventional by-product coke ovens capture coal tar, benzene, ammonia, and other co-products for chemical sale; Jewell's heat-recovery design instead combusted these gases to generate steam and power. The heat-recovery process, while sacrificing chemical by-product revenue, produces significantly lower air emissions and eliminates the need for by-product handling infrastructure. Sunoco/SunCoke built multiple heat-recovery cokemaking facilities in partnership with steel mills under long-term agreements — effectively embedding SunCoke as the dedicated coke supplier to specific blast furnace operations. When spun off, SunCoke carried these long-term supply agreements (some 30+ years) that make SunCoke's revenue highly predictable but dependent on the operational survival of specific steel blast furnaces that it was built alongside.

  SunCoke Energy, Inc. ↗