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EU / Japan · Power & Cooling

High-Voltage & Subsea Cable

HVDC and extra-high-voltage cable comes from a handful of European and Japanese plants with order books reaching into the 2030s.

Copper / aluminium→Extrusion→HV cable→Interconnector
74
Tightness score ⓘ
#16 of 56
■ Stable
Supply concentration5
Lead time5
Capex intensity4
Geopolitical exposure3
Pricing power5
Lead time
36–60 mo
Theme 1M
−12.3%
% in uptrend
0%
Metric to watch

Prysmian/Nexans/NKT HV backlog and new factory announcements.

What would prove us wrong

Weakens if HV backlogs fall while grid capex plans hold.

HV cable theme performance

Equal-weight · rebased 100 · 1Y
Stocks we track

Who controls this bottleneck

Roles, not recommendations. Delayed prices; local currency.

StockRoleListingLast1D1M3MYTDOff 52w highTrendNext earnings
PRY.MI
Prysmian
HV/HVDC and subsea cable leader Borsa Italiana
Italy
€110.4 −3.92% −11.6% −10.7% +28.8% −29.6% 2026-10-29
NEX.PA
Nexans
HV and subsea cable Euronext
France
€118.6 −7.63% −10.7% −10.8% −4.0% −28.1% —
NKT.CO
NKT
HVDC cable Nasdaq Copenhagen
Denmark
kr 839.0 −4.00% −3.3% −6.6% +5.1% −24.6% 2026-11-19
5802.T
Sumitomo Electric
Optical fiber, HV cable and compound semis TSE
Japan
¥1,770.0 −5.35% −23.6% −18.4% +14.2% −48.9% 2026-10-30