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illwerke vkw

illwerke vkw AG

Bregenz, Austria

HydroWindEnergy StorageLimited company
Founded 19001001-5000 employees
Profile last updated: March 18, 2026

About

Founded in 1900, illwerke vkw is a limited company headquartered in Bregenz, Austria with approximately 1001-5000 employees specializing in Hydro, Wind, Energy Storage.

illwerke vkw is a major Austrian energy company based in Vorarlberg operating across five business divisions: hydroelectric power generation, energy supply and services, energy networks, telecommunications, and tourism. The company operates multiple pumped-storage and run-of-river hydroelectric power plants in Austria and Germany, manages electricity distribution networks, trades energy in Austrian, German, and Swiss markets, provides e-mobility charging solutions, and operates tourism infrastructure. With approximately 1,600 employees, the company generates peak and control energy, operates storage reservoirs, and participates in European energy markets. It is partially owned by the State of Vorarlberg and represents a consolidation of historical Illwerke and vkw entities.

Headquarters

Bregenz, Austria

Founded

1900

Employees

1001-5000

Company type

Limited company

Focus areas

hydropowerpumped-storageenergy tradinggrid operatore-mobilityAustriaVorarlberg

Products & services

Business models

B2BIPP

Value chain

DevelopmentEngineeringConstructionO&MAsset ManagementTrading

Service areas (4)

  • Electricity Trading

    Energy trading across control energy, intraday, spot, and futures markets

  • Natural Gas Trading

    Gas trading and market services

  • Grid Operations

    Distribution network operation and electricity supply services

  • E-Mobility Solutions

    Charging infrastructure and electric vehicle solutions

Locations

Headquarters

Weidachstraße 6, 6900, Bregenz, Austria

Service regions

AustriaGermanySwitzerland

Projects

9

Kopswerk II

OperationalPumped-storage hydro

Pumped-storage hydroelectric power plant with capacity for peak and control energy provision

480 MW capacityGaschurn, Austria

Rodundwerk II

OperationalPumped-storage hydro

Pumped-storage hydroelectric facility with peak and control energy generation

295 MW capacityVandans, Austria

Lünerseewerk

OperationalPumped-storage hydro

Pumped-storage hydroelectric power plant for annual and daily storage with five machine units

Latschau, AustriaCompleted: 1958

Lünerseewerk II

PlannedPumped-storage hydro

Planned pumped-storage expansion project

Obervermuntwerk II

PlannedPumped-storage hydro

Pumped-storage hydroelectric facility for peak and control energy supply

Windpark Rapshagen

OperationalOnshore wind farm

Wind power facility

Germany

Windpark Wintersteinchen

OperationalOnshore wind farm

Wind power facility

Germany

Windpark Völkersen

OperationalOnshore wind farm

Wind power facility

Germany

Windpark Schneeberg

OperationalOnshore wind farm

Wind power facility

Germany

Credentials & affiliations

Certifications

ISO 27001

Industry memberships

Österreichs E-WirtschaftWirtschaftskammer VorarlbergEnergieeffizienz-Netzwerk Vorarlberg

Partnerships

Elektrizitätsnetze Allgäu GmbH

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