+ 1,000 satisfied customers

Sonnen-Energie GmbH - Your expert for photovoltaics in Tettnang

We build high-quality photovoltaic systems in Tettnang and enable our customers to save up to 97% of their electricity costs.
  • VAT free purchase (funding 2023)
  • Installation by our own professional teams.
  • Immediate availability of the system thanks to a local warehouse.
  • Assembly and commissioning within one day.
  • High-quality complete systems with storage tank.
  • 20-year guarantee on your system.
Master craftsman's business with its own
assembly teams, electricians and
Roofers.
100% Premium - manufacturer-independent
Sustainable energy begins 

Sustainable energy generation with the highest quality

enter the world of solar energy with Sonnen-Energie GmbH in Leutkirch! As a company firmly anchored in the region, we are your reliable partner for high-quality photovoltaic systems and professional installations in Leutkirch.

Our competent teams have already installed numerous successful photovoltaic systems in Leutkirch, and our customers benefit from noticeable savings in energy costs.

We consistently use first-class products from leading manufacturers, offer an impressive 20-year guarantee and rely exclusively on our own highly specialised teams on site in Leutkirch for installation. In this way, we guarantee the highest quality and avoid duplicating work steps.

Put your trust in Sonnen-Energie GmbH in Leutkirch - your expert for sustainable energy!

Strong projects, strong results

Save energy costs and store unused electricity in your own storage unit

With an electricity storage system, you can achieve almost 100% independence from the electricity price and increase the profitability of your system.  
  • Full independence: An electricity storage system allows you to store the electricity generated by the sun and ensures maximum returns.
  • Full efficiency: An electricity storage system increases the overall efficiency of your PV system and also ensures faster refinancing of the measure.
A clear process for your energy transition

Your way to your own solar system with Sonnen-Energie GmbH

We will advise you on the subject of photovoltaic systems in a free energy consultation and arrange a viewing appointment.
We inspect your property, take measurements, calculate your savings potential and provide you with a non-binding quote for your customised new solar energy system.
We start with the planning of the system, install the photovoltaic system in the next step and commission it within a day. 
A sensible investment

Why you should invest in a should you invest in a photovoltaic system?

Millions of German households and companies have already made themselves a little more independent. You can do it too!

Save several 1000€ in electricity costs

A solar system can save you up to 97% of your electricity costs and therefore several thousand euros a year.

Increase in property value

Installing the latest photovoltaic technology increases the sales value of your own property by an average of 6.7%.

Earn money with your own electricity

You can feed the unused electricity from your electricity storage system into the public grid at a profit.
Customised. Transparent. Free of charge

Get a quote and energy advice now

We will show you whether a solar energy system makes sense for your needs and provide you with a non-binding overview of the costs, returns and benefits. 
Secure an offer now
Rethinking energy - regional & efficient

An extract of our last projects

Photovoltaic system on roof with view of the Allgäu valley
Flat roof photovoltaic system with reflective modules
Solar system on house roof with hedges in the front garden
Photovoltaic modules on a large roof surface with a high inclination
Photovoltaic system on new build roof in residential area
Photovoltaic system on the tiled roof of a detached house
Photovoltaic system on a detached house with two roof surfaces
Photovoltaic system on white detached house with front garden
Photovoltaic system on garage with red tiled roof in Allgäu
Our customers about Sonnen-Energie

We show you the sunny side: do it like thousands of other satisfied customers!

Secure an offer now
Secure direct advice

Green future with solar energy in Tettnang

Discover the benefits of sustainable photovoltaic solutions with Sonnen-Energie GmbH in Tettnang. Our products from market-leading companies not only guarantee the highest quality, but also enable us to provide an impressive 20-year warranty. When it comes to installation, we rely exclusively on our own specialised teams to ensure that every installation meets the highest standards. Invest in a green future with us - your trusted local partner.

Photovoltaics of the highest quality

Over 1,000 realised PV systems for homeowners, companies and investors.
🔒 100% free of charge & without obligation
Get a quote & customised planning for your property.
Request now

Helpful links

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Head office

We would be happy to advise you on site:
Mittagstrasse 19b
87527 Sonthofen

Opening hours: Mon-Fri | 09 am - 5 pm

Contact us

Imprint Data protection Agb

Current offer

10 kWp PV system
Assembly included

  • 23 Trina modules
  • FoxESS 10 kW storage tank

16.990€

We also cover your electricity costs until the photovoltaic system is installed.