# Data Center Power Cable Market

> Data Center Power Cable Market: USD 2.26 billion in 2026, USD 4.72 billion by 2035, a 10.50% CAGR from 2025, as AI halls and record copper lift bills.

Publisher: DC Market Insights  
Author: Amit Jain, DC Market Insights  
Published: 2026-10-21  
Last updated: 2026-10-21  
Next review: Apr 2027  
Page: https://www.dcmarketinsights.com/report/data-center-power-cable-market

**Frequently Asked Questions**

**What is the size of the Data Center Power Cable Market in 2026?**

USD 2.26 billion in 2026, up 30.08% from USD 1.74 billion in 2025, according to DC Market Insights estimates. The market is projected to reach USD 4.72 billion by 2035, a CAGR of 10.50% from 2025.

**How fast is the data center power cable market growing?**

10.50% a year from 2025 to 2035, after 25.06% a year from 2020 to 2025, because new IT capacity rises from 12.0 GW to 27.0 GW a year and LME copper rose from USD 6,174 per tonne in 2020 to USD 9,947 in 2025.

**How much power cable does a data center need per MW?**

About USD 115,000 per new MW of air-cooled IT capacity and USD 145,000 per MW in an AI hall in 2025 (DC Market Insights estimates), roughly 8 tonnes of copper per MW, plus about USD 2,000 per installed MW a year for re-cabling.

**How does the copper price affect data center cable costs?**

Each USD 1,000 per tonne on copper adds about USD 8,000 per MW to an AI hall's cable bill. A 100 MW AI hall costs USD 14.50 million in cable at the 2025 copper average and USD 17.29 million at the 2026 average (DC Market Insights).

**Which power cable type earns the most in data centers?**

Low voltage power cables, with USD 702.90 million or 40.4% of 2025 spend. Medium voltage feeder cables follow with USD 441.90 million and reach USD 1,209.82 million by 2035.

**Why are AI data centers using more medium voltage cable?**

About USD 30,000 more cable per MW than an air-cooled hall in 2025, because AI halls of 50 MW to 300 MW take 15 kV to 35 kV feeders to unit substations beside each hall. Prysmian is building an MV cable plant in Texas due online in 2027.

**Does the US copper tariff apply to data center cable?**

The 50% duty from 1 August 2025 applies to the copper content of semi-finished copper products and copper-intensive derivatives, per the 30 July 2025 proclamation. It raises the cost of imported copper cable and favours aluminium feeders and North American plants.

**Which region leads the data center power cable market?**

North America, with USD 729.96 million or 42.0% of 2025 spend. Asia Pacific grows fastest at 12.46% a year, and India is the fastest large country at 16.75% a year.

**Who are the leading data center power cable makers?**

Prysmian (including Encore Wire), Nexans, Southwire, Sumitomo Electric and LS Cable & System hold about 38% of 2025 spend (DC Market Insights estimate). Prysmian reported 2025 revenue of EUR 19,650 million and credits data centers for North American growth.

**Why do data center power cable market estimates differ?**

USD 2.26 billion in 2026 is the DC Market Insights figure for power cables and accessories only. Estimates that add fibre and copper data cabling, busway or installation labour come out two to three times larger, and older estimates use lower copper prices.

## Dataset

| Series | Value | Unit |
| --- | --- | --- |
| Market size 2025 | 1,740 | USD million |
| Revenue CAGR | 10.5 | % |
| Market size 2035 | 4,720 | USD million |

## Frequently asked questions

### What is the size of the Data Center Power Cable Market in 2026?

USD 2.26 billion in 2026, up 30.08% from USD 1.74 billion in 2025, according to DC Market Insights estimates. The market is projected to reach USD 4.72 billion by 2035, a CAGR of 10.50% from 2025.

### How fast is the data center power cable market growing?

10.50% a year from 2025 to 2035, after 25.06% a year from 2020 to 2025, because new IT capacity rises from 12.0 GW to 27.0 GW a year and LME copper rose from USD 6,174 per tonne in 2020 to USD 9,947 in 2025.

### How much power cable does a data center need per MW?

About USD 115,000 per new MW of air-cooled IT capacity and USD 145,000 per MW in an AI hall in 2025 (DC Market Insights estimates), roughly 8 tonnes of copper per MW, plus about USD 2,000 per installed MW a year for re-cabling.

### How does the copper price affect data center cable costs?

Each USD 1,000 per tonne on copper adds about USD 8,000 per MW to an AI hall's cable bill. A 100 MW AI hall costs USD 14.50 million in cable at the 2025 copper average and USD 17.29 million at the 2026 average (DC Market Insights).

### Which power cable type earns the most in data centers?

Low voltage power cables, with USD 702.90 million or 40.4% of 2025 spend. Medium voltage feeder cables follow with USD 441.90 million and reach USD 1,209.82 million by 2035.

### Why are AI data centers using more medium voltage cable?

About USD 30,000 more cable per MW than an air-cooled hall in 2025, because AI halls of 50 MW to 300 MW take 15 kV to 35 kV feeders to unit substations beside each hall. Prysmian is building an MV cable plant in Texas due online in 2027.

### Does the US copper tariff apply to data center cable?

The 50% duty from 1 August 2025 applies to the copper content of semi-finished copper products and copper-intensive derivatives, per the 30 July 2025 proclamation. It raises the cost of imported copper cable and favours aluminium feeders and North American plants.

### Which region leads the data center power cable market?

North America, with USD 729.96 million or 42.0% of 2025 spend. Asia Pacific grows fastest at 12.46% a year, and India is the fastest large country at 16.75% a year.

### Who are the leading data center power cable makers?

Prysmian (including Encore Wire), Nexans, Southwire, Sumitomo Electric and LS Cable & System hold about 38% of 2025 spend (DC Market Insights estimate). Prysmian reported 2025 revenue of EUR 19,650 million and credits data centers for North American growth.

### Why do data center power cable market estimates differ?

USD 2.26 billion in 2026 is the DC Market Insights figure for power cables and accessories only. Estimates that add fibre and copper data cabling, busway or installation labour come out two to three times larger, and older estimates use lower copper prices.

## How to cite

Data Center Market Research & Consulting | DC Market Insights, "Data Center Power Cable Market", updated 2026-10-21, https://www.dcmarketinsights.com/report/data-center-power-cable-market
