Spain Wire and Cable - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The spain wire and cable market size was valued at USD 0.95 billion in 2025 and is estimated to grow from USD 1.01 billion in 2026 to reach USD 1.27 billion by 2031, at a CAGR of 4.69% during the forecast period (2026-2031). This report is Segmented by Voltage (Extra- and High-Voltage, and More), Cable Type (Power Cable, Fiber-Optic Cable, and More), Conductor Material (Copper, and More), Installation (Overhead, and More), End-User Vertical (Telecommunications and Data Centers, Automotive and Mobility, and More), and Insulation (Insulated, and Non-Insulated). The Market Forecasts are Provided in Terms of Value (USD).

Spain Wire and Cable Market Trends and Insights

Renewable Generation and Grid Reinforcement

The Spain wire and cable market entered a higher investment cycle as Redeia committed EUR 1.551 billion (USD 1.71 billion) to the transmission grid in 2025, a 40.4% increase from 2024. The national 2025-2030 plan targets EUR 13.59 billion (USD 14.95 billion) in transmission spending, 66% above the prior five-year plan. The European Investment Bank financed EUR 1.9 billion (USD 2.09 billion) in Spanish grid projects during 2025. The July 2026 network update extended the plan to 6,700 km of new transmission lines and increased the number of grid positions for large energy-intensive users by 12%. Solar-heavy areas, including Andalusia and Aragon, increasingly require XLPE-insulated, aluminum-sheathed extra-high-voltage products that can withstand sustained thermal loads. This specification shift raises the value of each installed kilometer for suppliers serving transmission projects.

Fiber-to-the-Home and 5G Network Expansion

The Spain wire and cable market benefits from more than 18 million active FTTH lines in March 2026, representing over 91% of fixed broadband connections. PremiumFiber began operating in December 2025 as a joint venture of MasOrange, Vodafone Spain, and GIC, with coverage of more than 12 million FTTH premises. The structure treats fiber infrastructure as a shared wholesale asset rather than a network duplicated by every operator. This approach can favor high-fiber-count, small-diameter assemblies when operators add capacity to common routes. Such products can command a higher value than conventional single-mode cable used in simple access deployment. The expansion of 5G backhaul also supports demand for fiber routes in Madrid, Barcelona, Valencia, and other densely populated urban areas.

Copper and Aluminum Price Volatility

The copper-to-aluminum price ratio reached 4.3x in January 2026 and remained close to 4.2x in late June. This level exceeded the 3.5x-4.0x range at which cable buyers typically reconsider material choices. Prysmian reported that aluminum accounted for around 40% of its cable content by weight, up 3 percentage points over the past 5 years. Material substitution can reduce revenue from copper-intensive products, even when physical cable volumes remain stable. Spanish manufacturers also face costs related to adapting stranding and annealing lines for aluminum alloy conductors. Smaller domestic producers may struggle to absorb these investments without accepting pricing pressure.

Other drivers and restraints analyzed in the detailed report include:

• Electrification of Transport and Charging Infrastructure
• Data Center and Industrial Digitalization Investments
• Permitting Delays and Grid Congestion

Segment Analysis

Low-voltage cables held 42.11% of total sector revenue in 2025, supported by residential wiring, commercial fit-outs, machine wiring, and EV charging distribution circuits. The Spain wire and cable market serves the broadest base of everyday electrical activity. Residential projects require building wire, while commercial facilities need power, control, and safety-related wiring. Industrial customers use the same voltage tier for machinery, internal distribution, and retrofit work. These varied uses make the category less dependent on a single project type. Medium-voltage cables connect substations with industrial parks, logistics sites, large commercial facilities, and renewable collection networks. The Balearic Islands' allocation of EUR 1.169 billion (USD 1.29 billion) under the grid plan supports the procurement of medium-voltage equipment for island reinforcement. Island projects offer demand that is less tied to mainland residential construction activity.

Extra- and high-voltage cables are projected to record a 5.12% CAGR through 2031, making this the fastest-growing voltage tier. Redeia invested EUR 1.424 billion (USD 1.57 billion) in transmission grid development and reinforcement during 2025. The Spain wire and cable market size for this tier benefits from the planned 6,700 km network expansion through 2030. The Bay of Biscay HVDC link will connect Gatika in Spain with Cubnezais in France through a 300 km, 400 kV submarine cable system. The link is scheduled to become operational in 2028. Such work requires specialized DC cable compounds and dedicated subsea installation capacity. Only a limited group of global manufacturers can fulfill those requirements. This creates a different competitive setting from the low-voltage segment.

Power cables accounted for 33.12% of total sector revenue in 2025 and served applications from household circuits to major transmission systems. Their role across the voltage range makes them the largest cable-type category. Demand comes from new installations, maintenance work, and replacement needs. Utilities purchase large volumes for network development. Construction users need products for buildings and commercial facilities. Renewable projects require cables for collection, distribution, and connection. This wide range of uses keeps power cables central to the sector's total revenue. Signal and control products support industrial automation and building management systems.

Fiber-optic cables are forecast to expand at a 6.11% CAGR through 2031, supported by broadband and data center infrastructure. The active FTTH base exceeded 18 million lines in March 2026. PremiumFiber began with coverage of more than 12 million premises and continues to add duct capacity for wholesale demand. Network-sharing agreements can lead to added cable purchases when joint infrastructure needs more capacity. Coaxial and data cables continue to lose share as fiber replaces copper-based coaxial broadband designs. Data centers use high-fiber-count and compact optical assemblies that exceed typical FTTH performance requirements. This creates a higher-value optical category within the telecommunications and data centers vertical. The type mix increasingly reflects the importance of digital infrastructure in the Spain wire and cable market.

Complete Report Scope:

• By Voltage
  • Extra- and High-Voltage (Greater Than 35 kV)
  • Medium-Voltage (1-35 kV)
  • Low-Voltage (Less Than 1 kV)
• By Cable Type
  • Power Cable
  • Fiber-Optic Cable
  • Signal and Control Cable
  • Coaxial and Data Cable
• By Conductor Material
  • Copper
  • Aluminum
  • Optical Glass / Polymer
• By Installation
  • Overhead
  • Underground
  • Submarine
• By End-User Vertical
  • Residential Construction
  • Commercial Construction
  • Power Infrastructure (Utilities and Renewables)
  • Telecommunications and Data Centers
  • Oil and Gas and Petrochemicals
  • Automotive and Mobility
  • Industrial Manufacturing
• By Insulation
  • Insulated
  • Non-Insulated

List of Companies Covered in this Report:

• Prysmian Cables Spain, S.A.U.
• Nexans
• Top Cable, S.A.
• Miguélez, S.L.
• LA FARGA YOURCOPPERSOLUTIONS, S.A.
• NKT A/S
• Sumitomo Electric Bordnetze SE
• Telefónica de España, S.A.U.
• Cervi
• RCT Cables
• Cabelte
• Brugg Cables
• LAPP España
• Belden Inc.
• CommScope, Inc.
• TE Connectivity Ltd.
• Amphenol Corporation
• Leoni AG
• Hellenic Cables S.A.
• Tele-Fonika Kable S.A.
• Elsewedy Electric S.A.E.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support