Diamond Power Infrastructure Q2 Net Profit Surges 349% to Rs 107.88 Cr on Record Revenue

The Quick Take

• Diamond Power Infrastructure Q2 FY27 net profit jumped 349% YoY to Rs 107.88 crore
• Revenue reached a record Rs 1,031.90 crore, confirming strong execution on power infrastructure orders
• Vadodara-based cables and conductors maker clears a major milestone in quarterly earnings
• Power transmission capex cycle in India is driving explosive growth in cable sector

Diamond Power Infrastructure, a Vadodara-based manufacturer of power cables, overhead conductors, and related transmission equipment, reported a dramatic 349% year-on-year surge in net profit to Rs 107.88 crore for the second quarter of FY27, while revenue crossed the Rs 1,000 crore mark for the first time, reaching Rs 1,031.90 crore. The scale of the profit jump reflects operating leverage — as revenues grew rapidly while fixed costs remained relatively stable — along with improved product mix and execution on high-margin power-grid supply contracts. The result positions Diamond Power as one of the standout performers in India's power infrastructure ecosystem.

India's massive power transmission expansion programme, driven by the government's goal of adding significant renewable energy capacity and connecting new generation to consumption centres via upgraded high-voltage transmission lines, has created multi-year visibility for cable and conductor manufacturers. Diamond Power competes in this space alongside KEI Industries, Polycab India, and Sterlite Power, all of which have reported strong order inflows. The 349% profit surge confirms that Diamond Power is successfully converting its order book into executed revenue, which is the critical operational test for companies in this order-driven business model.

Investors should examine Diamond Power's order backlog and book-to-bill ratio in the Q2 FY27 earnings presentation for signals about revenue visibility into FY28. The key macro variable is India's Central Electricity Authority capital expenditure programme and the pace of Power Grid Corporation's transmission network expansion. Any budgetary delays in the Union Budget FY28 allocation for the power sector would slow order inflows for the entire cable and conductor sector. Watch KEI Industries' Q2 results for sector-wide margin comparison and any guidance on competition-driven pricing pressure.

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