Company Profile

Hivolt Capacitors Ltd is a UK manufacturer of custom high voltage capacitors, specialising in high-reliability solutions for defence, aerospace, naval, medical and industrial applications.

Established in 1967 and based in Derry, Northern Ireland, Hivolt provides bespoke capacitor design, manufacture and testing services, supporting low to medium volume programmes and mission-critical systems worldwide. With expertise in radar, pulse power, communications, power supply and energy storage applications, Hivolt delivers engineered reliability through UK manufacturing, rigorous quality standards and close customer collaboration.

Core Capabilities and expertise in the Defence, Aerospace and Naval sectors.

• Custom design and manufacture of high-voltage capacitors.
• High-reliability solutions for mission-critical applications.
• In-house engineering, winding, impregnation, assembly and testing.
• Flexible production supporting prototype, low-volume and medium-volume requirements.
• Specialist expertise in pulse power, radar, power supply and energy storage applications.
• Manufacture of capacitor assemblies and sub-assemblies for OEM integration.
• ISO 9001 and ISO 14001 certified manufacturing.

Global supply capability supporting customers throughout Europe, North America, Asia and Australia.