SG

solarplus GmbH

Dortmund, Germany

SolarLimited company
Founded 200411-50 employees
Profile last updated: April 10, 2026

About

Founded in 2004, solarplus GmbH is a limited company headquartered in Dortmund, Germany with approximately 11-50 employees specializing in Solar.

solarplus GmbH is a solar energy company founded in 2004 in Dortmund, Germany. The company specializes in the planning, installation, and maintenance of photovoltaic and solar thermal systems for residential, commercial, and public buildings. solarplus develops and manages ecological projects including citizen-funded solar power plants that allow local residents to invest in renewable energy. The company has completed over 30 school roof solar installations and serves more than 400 households with clean electricity. Services include unbiased consulting, system dimensioning, custom installations, comprehensive maintenance, energy audits, and remote monitoring. solarplus is committed to transitioning regional energy supply to renewable sources by 2030 and emphasizes high-quality materials and 30-year system reliability.

Headquarters

Dortmund, Germany

Founded

2004

Employees

11-50

Company type

Limited company

Focus areas

photovoltaicsolar thermalinstallationmaintenancerenewable energycommunity solarcitizen funding

Products & services

Business models

B2BB2CEPC

Value chain

DevelopmentEngineeringConstructionO&MConsultingAdvisory

Locations

Headquarters

Zaunkönigweg 7, 44225, Dortmund, Germany

Projects

31

Hauptschule in der Landwehr

OperationalRooftop solar PV
0.03972 MW capacityDortmund, GermanyCompleted: 2009

Dietrich Keuning Haus

OperationalRooftop solar PV
0.03105 MW capacityDortmund, GermanyCompleted: 2009

Overbergschule

OperationalRooftop solar PV
0.029988 MW capacityDortmund, GermanyCompleted: 2010

Reichshof-Grundschule

OperationalRooftop solar PV
0.0201 MW capacityDortmund, GermanyCompleted: 2009

Adolf-Schulte-Schule

OperationalRooftop solar PV
0.02835 MW capacityDortmund, GermanyCompleted: 2008

Regenbogen-Grundschule

OperationalRooftop solar PV
0.06075 MW capacityDortmund, GermanyCompleted: 2009

Dortmund Residential - Battery Storage

OperationalBattery storage
0.0072 MW capacityDortmund, GermanyCompleted: 2017

Dortmund Residential - Powerwall

OperationalBattery storage
0.0539 MW capacityDortmund, GermanyCompleted: 2017

Dorfschule

OperationalRooftop solar PV
0.015946 MW capacityDortmund, GermanyCompleted: 2010

Westfalenpark

OperationalRooftop solar PV
0.021038 MW capacityDortmund, GermanyCompleted: 2011

Fröndenberg Residential

OperationalRooftop solar PV
0.006095 MW capacityFröndenberg, GermanyCompleted: 2015

Hagen Residential

OperationalRooftop solar PV
0.00962 MW capacityHagen, GermanyCompleted: 2015

Herberer-Grundschule

OperationalRooftop solar PV
0.029988 MW capacityWitten, GermanyCompleted: 2010

Dietrich-Bonhoeffer-Grundschule

OperationalRooftop solar PV
0.0297 MW capacityDortmund, GermanyCompleted: 2007

Friedens-Grundschule

OperationalRooftop solar PV
0.0294 MW capacityDortmund, GermanyCompleted: 2008

Holte-Grundschule

OperationalRooftop solar PV
0.0296 MW capacityDortmund, GermanyCompleted: 2008

Albrecht-Dürer-Realschule

OperationalRooftop solar PV
0.0525 MW capacityDortmund, GermanyCompleted: 2007

Theodor-Heuss-Realschule

OperationalRooftop solar PV
0.06629 MW capacityDortmund, GermanyCompleted: 2008

Immanuel-Kant-Gymnasium

OperationalRooftop solar PV
0.09094 MW capacityDortmund, GermanyCompleted: 2007

Marie-Reinders-Realschule

OperationalRooftop solar PV
0.01764 MW capacityDortmund, GermanyCompleted: 2008

Münster Residential with Storage

OperationalRooftop solar PV with battery storage
0.0159 MW capacityMünster, GermanyCompleted: 2014

Overbergschule Witten

OperationalRooftop solar PV
0.029988 MW capacityWitten, GermanyCompleted: 2010

Käthe-Kollwitz-Gymnasium

OperationalRooftop solar PV
0.00924 MW capacityDortmund, GermanyCompleted: 2008

Witten Residential

OperationalRooftop solar PV
0.004329 MW capacityWitten, GermanyCompleted: 2016

Dortmund Residential 2016

OperationalRooftop solar PV
0.00432 MW capacityDortmund, GermanyCompleted: 2016

Dortmund Residential 2017

OperationalRooftop solar PV
0.00649 MW capacityDortmund, GermanyCompleted: 2017

Hauptschule Hörde

OperationalRooftop solar PV
0.031775 MW capacityDortmund, GermanyCompleted: 2005

Katholische Hauptschule Husen

OperationalRooftop solar PV
0.03034 MW capacityDortmund, GermanyCompleted: 2008

Eichwald Gesamtschule

OperationalRooftop solar PV
0.01776 MW capacityDortmund, GermanyCompleted: 2007

Hauptschule Innenstadt-West

OperationalRooftop solar PV
0.02436 MW capacityDortmund, GermanyCompleted: 2009

Rudolf-Steiner-Schule Dortmund

OperationalRooftop solar PV
0.0539 MW capacityDortmund, GermanyCompleted: 2017

Credentials & affiliations

Industry memberships

Dortmunder Lokale Agenda 21Verband für Umweltberatung in NRW e.V.ÖkoNetzwerk Dortmund e.V.

Partnerships

IBC Solar, Schletter, ABB, SMA, TESLA, GLS Gemeinschaftsbank eG

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