Analysis: HEG Limited

NSE:HEG Electrodes - Welding Equipment Market cap: ₹13.9K cr

Growth thesis

HEG Limited manufactures graphite electrodes, the mission-critical consumables required for electric arc furnace (EAF) steelmaking, operating the world's largest single-location plant with an installed capacity of 100,000 tons per annum. The company exports 70% to 75% of its volumes to over 30 countries, sitting at the apex of a highly consolidated global supply chain with only 3 to 4 major competitors outside China. In fiscal 2026, the core electrode business generated EBITDA of INR 497 crores, improving margins from 17% to 19% while maintaining over 90% capacity utilization compared to the industry average of 60% to 65%. This margin level, sustained near the 20% mark, reflects a strong converter business model that transforms concentrated needle coke inputs into specialized graphite outputs, yielding exceptional cash flows that fund aggressive diversification into new energy verticals.

The economics of this business persist through cycles due to formidable structural barriers, primarily the sheer scale and technological complexity of the manufacturing process. No new greenfield graphite electrode plant has been built outside China in the last 50 years, as production cycles range from 5 weeks to 6 months and competitor facilities average only 50,000 to 55,000 tons versus HEG's 100,000-ton base. This scale advantage directly translates into lower costs and allows the company to absorb a 18% United States import tariff to retain market share rather than passing it to customers. Furthermore, the supply of needle coke is highly concentrated with only 3 to 4 global suppliers and no new entrants in 70 to 80 years, but HEG mitigates this input risk through quarterly price locking and its strategic 10% investment in GrafTech, the only graphite company 75% to 80% backward integrated with its own needle coke plant.

The inflection point over the next 18 to 24 months is driven by a synchronized global capacity expansion and a strategic corporate demerger. By early 2028, HEG will expand its graphite electrode capacity by 15,000 tons to reach 115,000 tons, capturing incremental demand from 60 million tons of new EAF capacity expected between 2026 and 2028. Concurrently, the composite scheme of arrangement is anticipated to receive NCLT approval by the second quarter of fiscal 2027, separating the legacy electrode business from HEG Greentech. By fiscal 2029, the newly demerged Greentech entity will see its 20,000-ton anode facility reach full-year operations, generating over INR 1,200 crores in revenue at 35% EBITDA margins, alongside stable cash flows from existing 300 MW hydro assets and a new 300 MW solar project operational within 18 months.

Management has demonstrated consistent walk-talk alignment, delivering on capacity utilization and balance sheet promises while maintaining a disciplined capital allocation stance. In August 2025, management guided for 85% capacity utilization for the balance of fiscal 2026, subsequently delivering 89% on a three-quarter average and running at 90% to 95% in subsequent quarters. The 15,000-ton electrode expansion remains on track for early 2028 with a 4 to 5-year payback on INR 650 crores capex, with no slippage signalled. The company remains long-term debt-free at the holding level with a treasury balance growing from INR 977 crores to INR 1,155 crores, while strategically taking on INR 1,240 crores of project-level debt at the TACC subsidiary to fund the INR 2,200 crore anode project without diluting the parent equity.

Earnings visibility is anchored by a contracted electrode order book covering 50% to 60% of volumes for the next year, with management committing to maintain 28% to 29% EBITDA margins going forward despite input cost pressures. The quantified path requires the anode business to secure 70% of capacity contracts within the next 1 to 1.5 months to validate the year-one revenue target of INR 600 to 700 crores. The single most important watchpoint is the Middle East geopolitical tension, which caused a 1,000-ton sales volume drop in the fourth quarter and forced force majeure declarations as freight costs jumped from $20 to $300 per ton. If freight stabilization and needle coke procurement costs protected until September 2026 hold firm, the margin trajectory remains intact; otherwise, the operating leverage thesis faces structural compression.

Why is HEG Limited stock rising?

  • Expansion of capacity from 100,000 to 115,000 tons expected to be operational by early 2028
  • New electric arc furnace capacity additions of 60 million tons by 2028 and another 30 million tons by 2030 globally (ex-China) driving incremental electrode demand of ~200,000 tons by 2030
  • Aiming to implement price increases for uncommitted orders in H2 to protect and improve margins
  • Composite scheme of arrangement expected to receive NCLT approval in Q2 FY27
  • TACC Greentech plant commissioning on track; targeting 40–60% capacity utilization in first year with sampling ongoing at leading global and Indian OEMs

Research report

companyname: HEG Limited ticker: HEG sector: Graphite Electrodes, Advanced Materials, and Clean Energy HEG Limited is a manufacturer of graphite electrodes, the consumable carbon rods that conduct electricity into electric arc furnaces (EAFs) to melt scrap steel. The company is the flagship of the LNJ Bhilwara Group and operates the world's largest single-site graphite electrode plant at Mandideep, Madhya Pradesh, about 30 km from Bhopal. The plant has an installed capacity of 100,000 tonnes pe...

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Catalysts

capex, margin expansion, regulatory approval

Growth guidance

Capacity expansion guided at 115,000 tons by early 2028 driven by new electric arc furnace capacity additions

Guidance no_data

Management consistency

consistent

RS rating: 1 Stage: Stage 2

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