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Transmission Non-Current Carrying Components Market Size, Share, Trend, Forecast, Competitive Landscape & Growth Opportunities: 2026-2035
“The transmission non-current carrying components market size will reach USD 38.3 billion in 2025 and offers robust growth opportunities for the market stakeholders. With the market expected to grow at a CAGR of 4.8%, the annual sales will hit the USD 60.7 billion mark in 2035, reflecting steady demand for the structures, insulation, earthing, and connection hardware required across transmission networks.”
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The transmission non-current-carrying components market size was USD 38.3 billion in 2025. The market is expected to grow from USD 39.8 billion in 2026 to USD 60.7 billion in 2035, witnessing a market growth (CAGR) of 4.8% during the forecast period (2026-2035).
The key drivers include transmission build-out and aging-structure replacement, grid modernization, rising voltage levels, the shift to composite insulators, the growth of OPGW for combined shielding and grid communications, and the integration of renewables.
Asia-Pacific dominates the market, driven by large-scale transmission build-out in China and India, while North America is among the fastest-growing on the back of structure replacement and reconductoring.
Valmont Industries, KEC International, Kalpataru Projects International, NGK Insulators, Hubbell Power Systems, TE Connectivity, Preformed Line Products, PFISTERER, Sediver, Aditya Birla Insulators, MacLean-Fogg, and nVent Electric are among the leading players.
By component type, mechanical support components dominate by value while insulation and earthing & screening components grow fastest; by installation, overhead is dominant while underground grows fastest; and by end user, power utilities/T&D operators remain the dominant segment.