Solar green roofs

Our solar green roof systems combine renewable energy generation with high-quality roof greening – for businesses that want to reduce costs, improve sustainability, and future-proof their buildings.
Explore the many benefits of a solar green roof and solutions we offer in order to turn your unused roof space into a high-performing asset!

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Why choose a solar green roof?

Double use of roof space

  • Combines photovoltaic systems and green roofing
  • Optimal use of limited roof areas
  • Perfect for commercial, industrial, and logistics buildings

Higher efficiency & longevity

  • Vegetation cools the roof surface
  • Solar panels perform better at lower temperatures
  • Roof membranes last significantly longer

Sustainability that pays off

  • Reduced energy costs through on-site power generation
  • Lower CO₂ emissions
  • Eligible for public subsidies and incentives

Stronger ESG & brand image

  • Visible commitment to sustainability
  • Supports biodiversity and urban climate resilience
  • Enhances corporate responsibility reporting

Our solar green roof systems

Our green roof systems are available in combination with different photovoltaic systems. Learn more about the differences, benefits and applications each system has to offer:

Solar Green Roof SOLon

Award-winning solution also suitable for already existing green roofs
Integrates vertical bifacial dual-glass modules aligned East–West, allowing energy production on both faces while preserving the green roof’s ecological performance.

  • Quick & easy installation without roof penetration
  • Bifacial modules (160 Wp, 42 n-type half cells) generate up to 100 W/m²
  • Design allows for sufficient water and sunlight supply of the vegetation

Benefits:
Energy-efficient system
Suitable for retrofitting
Green-roof-friendly design

Application: Ground-mounted systems, carports, and flat roofs with high-reflectivity surfaces and a max. roof pitch of 5°.

Sedum Roof Bad Bevensen

Classic Solar Green Roof

Classic photovoltaic solution also suitable for retrofitting
Integrates most standard solar modules aligned South or East–West. The green roof effectively cools down the environment, allowing the solar modules to yield more energy.

  • Flexible module mounting in portrait or landscape format
  • Suitable for most standard/monofacial solar modules
  • Adjustable tilt angle: 10, 15 or 20°

Benefits:
Cost-efficient system
Suitable for retrofitting
Ideal for smaller roofs

Application: Standard (residential) rooftops where the back of the panel is flush with the roof, as no light reaches the rear.

Solar Green Roof TOP

Adaptable and reversible solution for flat roofs with low load-bearing capacity
Ideally suited for retrofitting a PV system onto an existing, extensively greened flat roof. It is ballasted, allowing for safe installation without penetrating the roof membrane, and is completely reversible.

  • Quick & easy installation without roof penetration
  • Solar modules in landscape format and with a 10° tilt
  • Accessible maintenace walkways for easy maintenance

Benefits:
Adaptable structural design
Suitable for retrofitting
Easy to maintain

Application: Flat roofs with a low load-bearing capacity and a max. roof pitch of 5°.

Green Roof

Frequently Asked Questions

Costs depend on roof size, load capacity, and system type. We provide individual project-based quotations.

Yes. We support you in identifying and applying for suitable funding programs.

A green roof as well as solar system require only minimal maintenance to ensure optimal performance of the solar panels and plant health. It is possible to outsource this task.

Depending on the system and maintenance, a solar green roof typically has a lifespan of 30–50 years, while its solar components may last at least 30 years.

Our process: How it works

1. Roof analysis & feasibility study

We assess load capacity, roof structure, and energy potential.

2. System design & planning

Customized solar green roof concept, including permits and funding advice.

3. Installation & commissioning

Professional installation by certified specialists.

4. Maintenance & monitoring

Optional service packages to ensure long-term efficiency.

Plan your solar green roof in minutes

Not sure whether a solar green roof is feasible for your building? Use our partner’s interactive planning tool to get a first technical assessment — free and without obligation.

What the tool helps you with:

  • Estimating available roof area
  • Checking basic system feasibility
  • Getting a first indication of system layout

Start planning your solar green roof!

Start planning tool

The planning tool provides a preliminary technical assessment and does not replace a detailed engineering review.

Get in touch with our experts

Find out how your roof can generate clean energy and become greener at the same time. Just send us a message and we will get in touch with you swiftly!

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