DEIF

DEIF

DEIF A/S

Skive, Denmark

WindSolarEnergy StorageHydroOther
Founded 1933
Profile last updated: April 23, 2026

About

Founded in 1933, DEIF is a renewable energy company headquartered in Skive, Denmark specializing in Wind, Solar, Energy Storage.

DEIF is a Danish, family-owned manufacturer of power control, protection and automation products for decentralised power generation on land and at sea. Its portfolio includes generator and engine controllers, paralleling and protection relays, PLCs, HMI panels, measurement devices, and the iE Convert power converter for hybrid AC/DC systems. Products are used in wind turbine controls, PV and battery hybrid systems, data centre power management, and marine and offshore applications. The company is headquartered in Skive, Denmark, manufactures its devices in Denmark, and operates sales and support subsidiaries worldwide.

Headquarters

Skive, Denmark

Founded

1933

Focus areas

power controlgenerator controllersprotection relaysPLCHMI panelshybrid power systemswind turbine controlsmarine automationenergy managementpower converters

Products & services

Business models

B2B

Value chain

ManufacturingR&D

Locations

Headquarters

Frisenborgvej 33, 7800, Skive, Denmark

Operating locations (5)

  • Hollerstraße 43, Büdelsdorf, Germany
  • Lilienthalstraße 11, Bensheim, Germany
  • Bukit Batok Crescent 31, Singapore, Singapore
  • Terhulpensesteenweg 362, Overijse, Belgium
  • 185 Hansen Ct. 125, Wood Dale, Illinois, United States

Projects

2

Innovent Enercon E82 retrofit

Wind turbine retrofit

Full control of Enercon E82 wind turbines using a DEIF retrofit control solution.

Client: Innovent

Suzlon S64 turbine life extension

Wind turbine retrofit

Life extension and performance improvement of Suzlon S64 wind turbines with DEIF controls.

Client: Suzlon

Credentials & affiliations

Partnerships

UN Global Compact

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