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Inselwerke – Fertigung

Planning, construction and operation of photovoltaic systems (5–500 kWp) and charging infrastructure from a single source.

Inselwerke Logo

Inselwerke eG

EberswaldeNew on Amplifa

2013Founded as a citizen energy cooperative
15Employees
136+Cooperative members
5–500 kWpPower range of the PV systems
eGLegal form, GnR 259 FF Local Court Frankfurt/Oder

About Inselwerke eG

Inselwerke eG is a citizen energy cooperative founded in 2013 by ten women from Usedom, headquartered in Eberswalde. The 15-member team plans and implements photovoltaic systems between 5 and 500 kWp, specialising in technically demanding projects on a wide variety of roof systems such as tiled, trapezoidal, flat, green, in-roof and standing seam roofs, as well as solar carports and ground-mounted systems. An in-house construction team carries out assembly and installation; in addition, the cooperative offers operation, maintenance, billing services as well as tenant electricity and tenant shop models. Since 2016, it has also been active as a service provider for charging infrastructure, supporting AC and DC charging points from site analysis through planning, civil engineering and commissioning to operation with its own billing portal and support hotline. Customers include municipalities, housing associations, commercial enterprises, agriculture and tourism in Brandenburg and Western Pomerania.

Site
Eberswalde
Processes
Planning and construction of photovoltaic systems 5–500 kWp (rooftop systems: tiled, trapezoidal,, Ground-mounted PV systems including electrical system design, construction management, park control, PV assembly and installation (in-house construction team), Operation, maintenance and servicing of PV systems, Battery storage integration, Planning, construction and operation of charging infrastructure (AC/DC charging points, wallboxes,, Construction and assembly of charging infrastructure (cable laying, foundation work, paving work,, Service & operation of charging technology (backend, billing, maintenance, support)
Materials
Photovoltaic systems 5–500 kWp, Battery storage integration, AC/DC charging infrastructure, Tenant electricity and tenant shops, Sector coupling
Certificates
PV professional (certificate course)
Founded
2013
Employees
15
Industries
Renewable energies, Photovoltaics, Charging infrastructure / E-mobility, Municipalities, Housing industry, Commercial
  1. 01

    Consulting and solar check / site analysis

  2. 02

    Planning and profitability analysis

  3. 03

    Grid registration and project management

  4. 04

    Assembly and installation (in-house construction team)

  5. 05

    Commissioning and meter protocol

  6. 06

    Operation, maintenance and billing service

Services and Technology

PV

Photovoltaic systems 5–500 kWp

Planning and construction on tiled, trapezoidal, flat, green, in-roof and standing seam roofs, as well as carport and ground-mounted systems.

BAT

Battery storage integration

Integration of storage systems (e.g. 6–12 kWh) to increase self-consumption.

LIS

AC/DC charging infrastructure

Planning, construction and operation of wallboxes, standard charging points and fast charging points including load management.

MST

Tenant electricity and tenant shops

Design of meter architecture, billing and operation for residential quarters and commercial properties.

SEK

Sector coupling

Linking electricity, heat (heat pumps) and mobility for holistic energy solutions.

Location

Standort Eberswalde

Eberswalde

DE

Branch office and headquarters

Materials
Photovoltaics, charging infrastructure
  • Own installation and construction team
  • Billing portal and support hotline

Systems and Installations

Rooftop PV system
Rooftop PV systemPhotovoltaics · Commercial/Municipal
Charging point
Charging pointCharging infrastructure · E-mobility
Solar carport Ahlbeck
Solar carport AhlbeckPV carport · Municipal
Ground-mounted system Beyern
Ground-mounted system BeyernGround-mounted PV · 997 kWp

Inside the production

PV system Anklam
PV system Anklam
Green roof Humboldt-Gymnasium Eberswalde
Green roof Humboldt-Gymnasium Eberswalde
E-mobility in the Baltic seaside resort of Zinnowitz
E-mobility in the Baltic seaside resort of Zinnowitz

Industries

Renewable energiesPhotovoltaicsCharging infrastructure / E-mobilityMunicipalitiesHousing industryCommercialAgricultureTourismEnergy cooperatives

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Planning and construction of photovoltaic systems 5–500 kWp (rooftop systems: tiled, trapezoidal,Engineering–––5–500 kWp–
Ground-mounted PV systems including electrical system design, construction management, park controlEngineering–––––
PV assembly and installation (in-house construction team)Assembly–––––
Operation, maintenance and servicing of PV systemsEngineering–––––
Battery storage integrationEngineering–––––
Planning, construction and operation of charging infrastructure (AC/DC charging points, wallboxes,Engineering–––––
Construction and assembly of charging infrastructure (cable laying, foundation work, paving work,Assembly–––––
Service & operation of charging technology (backend, billing, maintenance, support)Engineering–––––
Tenant electricity and tenant shop projects (design, meter architecture, billing, operation)Engineering–––––
Energy concept consulting / usability analysis of renewable energy systemsEngineering–––––

Additional services

Planning and construction of photovoltaic systems (5–500 kWp)Roof lease modelsTenant electricityTenant shopsPlanning, construction and operation of charging infrastructureSolar charging stationsFleet chargingLoad managementMaintenance and operation service PVBilling serviceCarsharingBattery storage integrationHeat pumpsSector couplingLED retrofitting of public street lighting

Reference customers

WHG EberswaldeLandkreis BarnimLebenshilfe Kreisvereinigung Barnim e.V.Hochschule für Nachhaltige Entwicklung EberswaldeEnergeno Heilbronn Franken eGBürgerwerke eGGemeinde HeringsdorfAkotec GmbHEnergie Vorpommern / Tankstelle OilGartenmarkt Sadewasser

Quality and Training

Employees are certified as PV professionals (compliant planning, installation, assembly and commissioning in accordance with standards and regulations); charging points are commissioned in a standards-compliant manner with a meter protocol.

EvidenceEberswalde
PV professional (certificate course)

History

  1. 2013

    Founding of Inselwerke eG by ten women from Usedom as a citizen energy cooperative

  2. 2014

    Pioneering work in the field of electromobility, construction of the first charging points

  3. 2016

    Entry into charging infrastructure as a service provider

  4. 2017

    Award as Citizen Energy Project of the Year for the Usedom charging network (approx. 50 public charging points)

  5. 2019

    Construction of the first solar carports in Heringsdorf/Ahlbeck and Karlshagen

  6. 2019–2022

    Build-out of the Usedom charging network with more than 20 charging points

  7. 2022

    Launch of the carsharing service DieWeiterFahrer at Anklam railway station

  8. 2024

    Several PV projects in Eberswalde and the surrounding area (including Humboldt-Gymnasium, Lebenshilfe, Akotec)

  9. 2025

    Commissioning of the Beyern ground-mounted system (997 kWp) and the solar park house on the Ryck in Greifswald with up to 60 charging stations and 2×185 kWp

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