Grünwerke GmbH

Düsseldorf, Germany

WindSolarHydroBiomassEnergy StorageSubsidiary

Founded 201051-200 employees

Profile last updated: March 20, 2026

About

Founded in 2010, Grünwerke GmbH is a subsidiary headquartered in Düsseldorf, Germany with approximately 51-200 employees specializing in Wind, Solar, Hydro.

Grünwerke GmbH is a specialist in renewable energy and a 100% subsidiary of Stadtwerke Düsseldorf AG. Founded in 2010, the company plans, constructs, and operates renewable energy installations across Germany in wind power, photovoltaics, biomass, hydropower, and energy storage. Operating as a developer, investor, and operator, Grünwerke delivers comprehensive solutions from initial concept through decommissioning. The company serves as a reliable partner for municipalities, landowners, and investors, emphasizing community engagement, local value creation, and transparent planning. With over 150 years of energy industry experience through its parent company, Grünwerke implements projects nationwide following strict environmental management standards and ISO 14001 certification.

Headquarters

Düsseldorf, Germany

Founded

2010

Employees

51-200

Company type

Subsidiary

Focus areas

Wind EnergySolar EnergyHydropowerBiomassEnergy StorageRenewable Energy DeveloperProject DeveloperOperatorInvestorGermany

Products & services

Business models

B2BIPPEPC

Value chain

DevelopmentEngineeringConstructionO&MAsset Management

Locations

Headquarters

Höherweg 100, 40233, Düsseldorf, Germany

Projects

Windpark Geldern

OperationalOnshore wind farm

Two wind turbines with combined capacity of 11.4 MW

11.4 MW capacityGeldern, GermanyCompleted: 2025-07-01

Solarpark Wernberg-Köblitz

OperationalUtility-scale solar

Free-field photovoltaic installation with 10 MWp capacity

10 MW capacityWernberg-Köblitz, GermanyCompleted: 2025-01-01

PV-Anlage Kösching

OperationalUtility-scale solar

Largest free-field photovoltaic installation in Grünwerke portfolio

Kösching, GermanyCompleted: 2025-03-01

Solarpark Sinzing

Under ConstructionUtility-scale solar

Free-field photovoltaic installation on agricultural land

10 MW capacitySinzing, GermanyCompleted: 2026-12-31

Windpark Hoher Wald

PlannedOnshore wind farm

Nine wind turbines planned on former NATO radio tower site

140 MW capacityKreuztal, Germany

Windpark Siegen

Under ConstructionOnshore wind farm

Four wind turbines planned near Siegen

Siegen, Germany

Windpark Unter-Wegfurth

PlannedOnshore wind farm

Three wind turbines planned in Hesse

Schlitz, Germany

Windpark Breitenbach am Herzberg

Under ConstructionOnshore wind farm

Expansion of existing wind park with additional turbine

Breitenbach am Herzberg, GermanyCompleted: 2017-12-01

Windpark Lindtorf

OperationalOnshore wind farm

15 MW wind park producing 33 million kWh annually

15 MW capacityStendal, GermanyCompleted: 2014-01-01

Windpark Dittelsdorf

OperationalOnshore wind farm

6 MW wind park with repowered Vestas turbines

6 MW capacityDittelsdorf, GermanyCompleted: 2010-01-01

Windpark Willich

OperationalOnshore wind farm

4 MW wind park operated since 2004

4 MW capacityWillich, GermanyCompleted: 2004-01-01

Windpark Prützke

OperationalOnshore wind farm

6 MW wind park in cooperation with local partners

6 MW capacityPrützke, GermanyCompleted: 2012-01-01

EnBW Baltic 1 Offshore Wind Farm

OperationalOffshore wind farm

Offshore wind park in German North Sea with 4 MW stake

4 MW capacityNorth Sea, GermanyCompleted: 2011-01-01

PV-Anlage Eisstadion Brehmstraße

OperationalRooftop solar

Rooftop photovoltaic installation on ice arena

Düsseldorf, GermanyCompleted: 2023-01-01

PV-Anlage Flughafen Düsseldorf

OperationalUtility-scale solar

One of the largest solar parks in North Rhine-Westphalia in airport security zone

Düsseldorf, GermanyCompleted: 2011-01-01

PV-Anlage Plattling

OperationalUtility-scale solar

Free-field solar installation in Lower Bavaria

8 MW capacityPlattling, GermanyCompleted: 2020-12-01

PV-Anlage Sprotta

OperationalUtility-scale solar

Photovoltaic park near Leipzig

Sprotta, GermanyCompleted: 2010-01-01

PV-Dachanlagen Düsseldorf

OperationalRooftop solar

Multiple rooftop solar installations across Düsseldorf city

Düsseldorf, GermanyCompleted: 2010-01-01

PV-Anlage Werl

OperationalRooftop solar

Rooftop photovoltaic installation for LGS Logistik

0.702 MW capacityWerl, GermanyCompleted: 2010-01-01

Windenergieanlage Kemberg

OperationalOnshore wind turbine

Single wind turbine in cooperation with regional partners

Kemberg, GermanyCompleted: 2015-01-01

Windenergieanlage Grevenbroich II

OperationalOnshore wind turbine

Single wind turbine successfully connected to grid

Grevenbroich, GermanyCompleted: 2014-01-01

Windenergieanlage Neuss-Grefrath

OperationalOnshore wind turbine

Wind turbine acquired and integrated into Grünwerke portfolio

Neuss-Grefrath, GermanyCompleted: 2017-01-01

Windenergieanlage Meppen

OperationalOnshore wind turbine

Wind turbine under repowering with focus on modernization

Meppen, GermanyCompleted: 1995-01-01

Windpark Breitenbach

OperationalOnshore wind farm

Wind park in Hesse

Breitenbach am Herzberg, GermanyCompleted: 2017-12-01

Credentials & affiliations

Certifications

ISO 14001:2015

Issued by: Accredited certifying body

View

Partnerships

Stadtwerke Düsseldorf, Neue Energien Hilden, MEGA Monheimer Elektrizitäts- und Gasversorgung, Stadtwerke Wesel, Weidner Solar GmbH, Weidner EPC GmbH, Solea AG, EnBW Baltic 1, RheinWerke GmbH, Waldgenossenschaft Eiserfeld