Earthing Screening Components For Transmission Lines Market Report

Market Size & Opportunities

Global Demand Analysis & Sales Opportunities in Earthing/Screening Components for Transmission Lines Market

• The annual demand for earthing/screening components for transmission lines was USD 5.0 billion in 2025 and is expected to reach USD 5.2 billion in 2026, up 4.0% from the value in 2025.

• During the forecast period (2026-2035), the market is expected to grow at a CAGR of 5.7%. The annual demand will reach USD 8.5 billion in 2035.

• Asia-Pacific had a market share of ~40% in 2024, generating the largest demand across regions.

• By component type, OPGW is estimated to be the largest and fastest growing, while tower and structure earthing systems hold a substantial share throughout the forecast period.

• By voltage type, high voltage (132-230 kV) holds the largest share, whereas UHV (>230 kV) is expected to be the fastest-growing segment during the forecast period.

• By installation type, overhead installation remains dominant, whereas underground installation grows the fastest, supported by underground and urban-reliability initiatives.

• By end-user type, power utilities / T&D operators are expected to remain dominant, whereas renewable energy developers are likely to be the fastest-growing category during the forecast period.

“According to a senior analyst at Stratview Research, the global earthing/screening components for the transmission lines market will generate a cumulative sales opportunity worth USD 66.4 billion during 2026-2035. During the next ten years, OPGW, UHV applications, renewable energy developers, and Asia-Pacific are some of the high-opportunity segments to bank upon.”

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Market Statistics

Have a look at the sales opportunities presented by the earthing/screening components for transmission lines market in terms of growth and market forecast.

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Market Dynamics

Market Drivers

T&D Investment, Grid Reliability, and Safety

The foundational driver of the market is sustained transmission and distribution investment: every overhead line needs a shield or earth wire, and every substation and structure requires an earthing system, so demand tracks closely with grid expansion, modernization, and aging-asset replacement. Rising voltage levels and the expansion of high-voltage and UHV corridors increase both the quantity and the rating of earthing and screening products required per line. Renewable integration adds further demand, as new substations, collector systems, and underground and offshore connections all require grounding and screening. A heightened focus on personnel safety, equipment protection, lightning and surge protection, and grid reliability underpins broad-based demand across the value chain, since earthing and shielding are mandatory, safety-critical elements of every T&D asset. Together, these forces make earthing and screening demand closely correlated with overall grid-investment activity across all four regions throughout the forecast period.

Growth of OPGW for Combined Shielding and Grid Communications

A distinctive and increasingly important driver is the rapid growth of optical ground wire (OPGW), which lets utilities add high-capacity fiber-optic communications to the shield wire on the same line. This dual function, simultaneously protecting the line from lightning and carrying grid-communications traffic, supports grid automation, protection, real-time monitoring, and even commercial telecom leasing, prompting utilities to replace plain earth wires with OPGW on both new and refurbished lines. The roll-out of smart grids, wide-area protection, and digital substations reinforces this shift, while higher fiber counts and new variants such as temperature-sensing and hybrid OPGW raise the value and capability of each installation. Because OPGW commands a far higher price than plain earth wire, this substitution lifts both the average value per line and the share of OPGW within the market, making it the single most important growth engine for earthing and screening components through the forecast period.

“As per our analyst, the global transmission and grid industry is evolving fast. While conducting the market analysis and speaking with the leading players, it is quite clear that the next decade will be defined by OPGW-based grid communications, high-performance earthing and shielding, and grid-reliability upgrades.”

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Market Challenges

Commoditization, Price Competition, and Material-Price Volatility

A central challenge is the commoditization of much of the market. Plain overhead earth wires are highly standardized products, with intense price competition and thin margins, especially from low-cost producers, leaving limited room for differentiation outside quality and reliability. The business is also exposed to volatility in the prices of steel, aluminium, and optical-fiber materials, which affects margins and complicates fixed-price tendering on long-duration projects. OPGW carries higher technical and qualification requirements than plain earth wire, including fiber-count specifications, mechanical and electrical type-testing, and utility approvals, which can lengthen adoption cycles and raise barriers for new entrants. Currency movements, freight costs, and periodic regional overcapacity add further pressure. Sustaining profitability therefore depends on scale, manufacturing efficiency, quality leadership, and a continued mix shift toward higher-value OPGW and engineered earthing systems rather than commodity earth wire across the value chain.

Installation Quality, Standards, and Investment-Cycle Sensitivity

The performance of earthing and screening systems depends heavily on correct design and installation, and poor workmanship or inadequate soil treatment can compromise safety and reliability, raising the importance of qualified installers, rigorous standards compliance, and proper testing. This makes the market sensitive to the availability of skilled crews and to evolving safety and grounding standards, and it lengthens qualification cycles for new products and suppliers. Because installed earthing and screening assets have very long service lives, much of the demand depends on new build and refurbishment rather than replacement, leaving the market closely tied to grid-investment cycles and to the pace of grid-communications roll-out. Slowdowns in transmission capital expenditure, permitting delays, or deferral of digitalization programs can therefore directly soften demand. Navigating these constraints requires strong technical support, standards expertise, and the ability to weather the cyclicality of grid-investment activity across regions.

Segment Analysis

By Component Type

“OPGW (optical ground wire) is expected to be the largest and fastest-growing component, while tower & structure earthing systems and overhead earth wires hold substantial shares during the forecast period.”

The market is segmented by components into overhead earth wires (E/W), OPGW (optical ground wire), tower & structure earthing systems, cable screening & earth continuity, and specialty shielding & others. OPGW is expected to be the largest and fastest-growing component, as utilities increasingly replace plain earth wires with OPGW to add high-capacity grid communications to the shield wire, while tower and structure earthing systems and overhead earth wires hold substantial shares, and cable screening and specialty shielding grow alongside undergrounding and HVDC.

By Voltage Type

“High voltage (132-230 kV) holds the largest share, whereas UHV (>230 kV) is expected to be the fastest-growing voltage type during the forecast period.”

The market is segmented into low (<33 kV), medium (33-132 kV), high (132-230 kV), and UHV (>230 kV). High voltage (132-230 kV) holds the largest share, reflecting the concentration of shielding and earthing value in high-voltage transmission, while UHV (>230 kV) is likely to be the fastest-growing voltage type, supported by the expansion of high-capacity and UHV corridors.

By Installation Type

“Overhead installation is expected to remain dominant, whereas underground installation is likely to be the fastest-growing installation type during the forecast period.”

The market is segmented into overhead, underground, and submarine installations. Overhead installation remains dominant, reflecting the large volume of earth wires, OPGW, and earthing systems used on overhead lines, while underground installation is the fastest-growing type, supported by underground and urban-reliability initiatives. Submarine installation is a smaller share linked to subsea systems.

By End User Type

“Power utilities / T&D operators are expected to remain dominant, whereas renewable energy developers are likely to be the fastest-growing end user during the forecast period.”

The market is segmented into power utilities / T&D operators, renewable energy developers, industrial & infrastructure, and EPC contractors. Power utilities / T&D operators are expected to remain dominant, owing to their ownership and operation of transmission and distribution networks, while renewable energy developers are likely to be the fastest-growing end user, driven by onshore and offshore wind and solar grid connections. Industrial & infrastructure users and EPC contractors also expand steadily.

Regional Analysis

“Asia-Pacific is projected to lead the earthing/screening components market in terms of market share and is also among the fastest-growing, driven by large-scale T&D build-out and OPGW deployment in China and India.”

Asia-Pacific leads on the strength of extensive T&D build-out and a large OPGW manufacturing base across China and India and is also among the fastest-growing regions. North America and Europe hold meaningful shares driven by grid-communications roll-out and the replacement of aging earth wires.

Among countries, China and India are the largest and among the fastest-growing markets, while the Rest of the World contributes through grid expansion in the Middle East and Latin America.

“Analysis suggests that the Top 10 countries generate >85% of the annual sales for the earthing/screening components for the transmission lines. A few countries are the demand powerhouses and will drive the regional markets in big ways, offering attractive business opportunities.”

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Competitive Landscape

The market is moderately fragmented, with global cable and OPGW specialists competing alongside grounding and hardware manufacturers and regional players. Competition centers on OPGW technology and fiber count, quality and reliability, regional presence, and price.

The following are the key players in the earthing/screening components for transmission lines market.

• ZTT Group (Jiangsu Zhongtian Technology)

• Prysmian Group

• Nexans S.A.

• Jiangsu Hengtong Group

• AFL (Fujikura Ltd.)

• Sterlite Power (Sterlite Technologies Ltd.)

• nVent Electric plc (ERICO)

• Hubbell Power Systems

• Sumitomo Electric Industries, Ltd.

• Furukawa Electric Co., Ltd.

• LS Cable & System Ltd.

Note: The above list is not an exhaustive list of the key players in the market. If your company is active in this market and would like to be considered for inclusion in future editions of this study, please contact us at [email protected].

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Recent Developments/Mergers & Acquisitions

Recent mergers & acquisitions, product launches, and other developments in the earthing/screening components for transmission lines market reflect evolving market trends and impact the market. Below are a few recent developments in the market -

• In 2025, ZTT International released a new OPGW cable with built-in temperature-sensing technology for real-time monitoring and predictive maintenance.

• In 2024, Fujikura developed hybrid OPGW cables integrating power transmission and communication capabilities.

• In 2024, Tratos introduced a UV-resistant OPGW cable for regions with high solar exposure, maintaining performance under prolonged sunlight.

• In July 2025, LS Cable & System announced an investment of about US$ 689 million in a new cable manufacturing plant in Virginia, USA.

• In May 2024, Sterlite Power secured approval to demerge its transmission business, retaining its power conductors, EHV/HV/MV cables, and OPGW under the renamed Sterlite Electric.

Report Scope

Market Definition

Earthing and screening components provide safe paths to ground, lightning shielding, and electromagnetic management across T&D networks, spanning overhead earth and shield wires, OPGW (optical ground wire), tower and structure earthing systems, cable screening and earth-continuity products, and specialty shielding. OPGW is the distinctive high-growth component, combining shielding with high-capacity grid communications.

Report Structure

This report provides market intelligence most comprehensively. The report structure has been kept so that it offers maximum business value. It provides critical insights into market dynamics and will enable strategic decision-making for existing market players as well as those willing to enter the market.

The following are the key features of the report:

• Market structure: Overview, industry life cycle analysis, supply chain analysis.

• Market environment analysis: Growth drivers and constraints, Porter’s five forces analysis, SWOT analysis.

• Market trend and forecast analysis.

• Market segment trend and forecast.

• Competitive landscape and dynamics: Market share, product portfolio, new product launches, etc.

• Attractive market segments and associated growth opportunities.

• Emerging trends.

• Strategic growth opportunities for the existing and new players.

• Key success factors.

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Segmentation

The report provides detailed insights into the market dynamics to enable informed business decision-making and growth strategy formulation based on the opportunities present in the market.

The earthing/screening components for transmission lines market is segmented into the following categories:

Earthing/Screening Components for Transmission Lines Market, By Component Type

• Overhead Earth Wires (E/W)

• OPGW (Optical Ground Wire)

• Tower & Structure Earthing Systems

• Cable Screening & Earth Continuity

• Specialty Shielding & Others

Earthing/Screening Components for Transmission Lines Market, By Voltage Type

• Low (<33 kV)

• Medium (33-132 kV)

• High (132-230 kV)

• UHV (>230 kV)

Earthing/Screening Components for Transmission Lines Market, By Installation Type

• Overhead

• Underground

• Submarine

Earthing/Screening Components for Transmission Lines Market, By End User Type

• Power Utilities / T&D Operators

• Renewable Energy Developers

• Industrial & Infrastructure

• EPC Contractors

Earthing/Screening Components for Transmission Lines Market, By Region

• North America (Country Analysis: The USA, Canada, and Mexico)

• Europe (Country Analysis: Germany, France, Italy, Spain, and Rest of Europe)

• Asia-Pacific (Country Analysis: China, India, Japan, Australia, and Rest of Asia-Pacific)

• Rest of the World (Country Analysis: Brazil, Iran, Saudi Arabia, and Others)

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Research Methodology

• This strategic assessment report from Stratview Research provides a comprehensive analysis that reflects today’s earthing/screening components for the transmission lines market realities and future market possibilities for the forecast period.

• The report segments and analyzes the market in the most detailed manner to provide a panoramic view of the market. The vital data/information provided in the report can play a crucial role for market participants and investors in identifying the low-hanging fruits available in the market and formulating growth strategies to expedite their growth process.

• This report offers high-quality insights and is the outcome of a detailed research methodology comprising extensive secondary research, rigorous primary interviews with industry stakeholders, and validation and triangulation with Stratview Research’s internal database and statistical tools.

• More than 1,000 authenticated secondary sources, such as company annual reports, fact books, press releases, journals, investor presentations, white papers, patents, and articles, have been leveraged to gather the data.

• We conducted more than 10 detailed primary interviews with market players across the value chain in all four regions and industry experts to obtain both qualitative and quantitative insights.

Customization Options

With this detailed report, Stratview Research offers one of the following free customization options to our respected clients:

Company Profiling

• Detailed profiling of additional market players (up to three players)

• SWOT analysis of key players (up to three players)

Competitive Benchmarking

• Benchmarking of key players on the following parameters: Service portfolio, geographical reach, regional presence, and strategic alliances

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