SunCoke Energy, Inc.
SunCoke Energy, Inc. is a U.S.-based producer of metallurgical coke and provider of bulk-material logistics and industrial services to the steel and coal value chain. Its operations include domestic cokemaking plants, heat recovery facilities, and terminals and on-site services that handle, mix, transload, and process bulk materials for industrial customers.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueCokemaking facilities and heat recovery operations that supply coke, steam, and electricity.
Logistics terminals and on-site services for handling, mixing, transloading, scrap, and slag.
Products
Reported · share of revenue- Coke Sales84.9 %
- Industrial Services10.1 %
- Steam and Electricity Sales2.7 %
- Operating and Licensing Fees1.9 %
- Other Products and Services0.4 %
Source: 10-K FY2025, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.
Customers
SunCoke sells primarily to steelmakers, coal and coke customers, electric utility-related customers, and other industrial users that need reliable bulk-material handling or coke supply. Its customer base is concentrated, with long-term contracts and recurring service relationships tied to steel production, export coal flows, and mill operations.
Buy metallurgical coke under long-term take-or-pay agreements to support ironmaking and avoid captive coke investment.
Use terminals for mixing, transloading, and storage of coal and other bulk materials to move product efficiently.
Buy scrap, slag, and mission-critical mill services at operating sites to support day-to-day steel production.
Use export and domestic terminal capacity for metallurgical coal and thermal coal flows.
Strategy
SunCoke’s strategy centers on long-term contracted coke supply, modern heat-recovery cokemaking, and logistics assets that serve steel and bulk-material markets. It also emphasizes maintaining and upgrading facilities for regulatory compliance while expanding industrial services and terminal capabilities that deepen customer relationships.
Long-term contracts provide the core revenue base and reduce exposure to spot coke pricing.
These services deepen customer relationships and diversify the business beyond cokemaking.
Reliable plants and terminals are essential for safety, compliance, and customer continuity.
Geography
Q1/2026SunCoke’s core cokemaking and logistics footprint is in the United States, with plants in Indiana, Illinois, Ohio, and Kentucky and terminals positioned near Gulf Coast, East Coast, Great Lakes, and international ports. Its industrial services footprint also extends to customer sites in Brazil, Slovakia, and Spain, which broadens exposure to global steel production and export market conditions.
Share of the revenue the company reports by geography.
Risks
SunCoke is exposed to concentrated customer relationships, operating reliability, and commodity-linked end markets that can affect utilization and contract renewals. Its terminals and industrial services also depend on steel production, coal export conditions, weather, energy prices, and global trade flows, while environmental, safety, cyber, and regulatory risks can create additional costs and disruptions.
- Customer concentrationImpact: HighLikelihood: Medium
Substantially all sales are to a limited number of customers, so contract loss would materially affect revenue and cash flow.
Exposure: Domestic Coke and Industrial Services
- Commodity and end-market volatilityImpact: HighLikelihood: Medium
Non-contracted coke and terminal volumes are tied to steel prices, coal prices, natural gas, and export demand.
Exposure - Operating and asset reliabilityImpact: HighLikelihood: Medium
Equipment failures or deterioration can cause shutdowns, curtailments, impairments, and extra maintenance spending.
Exposure: Cokemaking plants and terminals
- Safety, environmental, and regulatory complianceImpact: HighLikelihood: Medium
Cokemaking and industrial services involve heavy industrial processes with potential injury, pollution, and enforcement exposure.
Exposure: Plant operations and on-site services
- Cybersecurity and IT disruptionImpact: MediumLikelihood: Medium
Operations rely on networks and third-party systems that could be breached or interrupted.
Exposure: Enterprise systems and customer data
Accounting
Judgemental itemsCokemaking and terminal assets are capital intensive, so recoverability assumptions can materially affect earnings.
Impact: Asset carrying values and operating results
Acquisitions require fair value allocation across assets and liabilities, affecting future depreciation and amortization.
Impact: Purchase accounting and future earnings
Actuarial and regulatory assumptions drive the measurement of obligations and related expense.
Impact: Liabilities, expense, and cash outflows
Coal cost pass-throughs and take-or-pay terms affect revenue recognition and margin timing.
Impact: Revenue and operating income comparability
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Last updated: 24/09/2026