Intelligent solar solutions for private households
Clean energy, predictable costs and comprehensive service, from design to commissioning.
Experience since 2008.
Free State AG is new. Our team has been building solar systems in Switzerland since 2008.
2008
Our team installs its first solar system. The beginning of our craft.
2008 to 2024
The team builds system after system. Experience in solar and energy in Switzerland since 2008.
November 2024
The team founds Free State AG in Schaffhausen and commits fully to solar.
Today
We build turnkey solar systems in German-speaking Switzerland and are now coming to Serbia.
Recommend Free State and receive a bonus
Recommend our solar solutions and benefit from attractive rewards.
Referral
bonusYour complete package for solar, storage & e-mobility
Everything from a single source. Perfectly coordinated. For more independence and maximum savings.
No building permitup to 10.8 kW, battery included
Your own powerinstead of rising costs
Turnkeyfrom design to commissioning
Installationof Swiss qualityBrands we install
Referral
bonusA turnkey solar system you own
You buy the complete system at a final price. We design and install it and prepare the paperwork for the grid connection.
Solar Direct
Solar system for your home, optionally with battery storage and an EV charger, for direct purchase.
Households that file the metering point adaptation request with EDS by 31 December 2026 keep net metering. New households move to net billing from 1 January 2027. Several Serbian banks offer green loans for this kind of investment.
Choose your solar package
Pre-configured systems for homes and businesses. Pick one and check it on your roof.
Why FreeState?
The intelligent way to use energy, efficient, predictable and worry-free.
Predictable energy. No surprises.
You produce electricity on your own roof and depend less on bills and price rises.
One system. Maximum efficiency.
Solar, storage and e-mobility, perfectly aligned.
All-round service. No hassle.
Planning, installation and maintenance, all from one source.
A few steps to your own solar solution
Book a short consultation and learn how FreeState can reduce your energy costs. We analyse your situation, show concrete savings potential and guide you from the first conversation to the finished system.
Your Solar System Anytime and Anywhere in View
Battery
With Huawei hardware, FreeState offers intelligent battery storage solutions with seamless integration and future-oriented energy management for your home.
Heat Pumps
FreeState offers high-quality heat pump solutions from Viessmann and NIBE, trusted brands known for efficiency, reliability, and long-term performance.
EV Charging Solutions
With Huawei hardware, FreeState offers intelligent EV charging solutions with seamless integration and future-oriented energy management for your home.
Your Benefits
Sustainable energy, long-term cost savings and full transparency.
Your own solar system
You buy the whole system at a final price.
Manufacturer warranties
We list the equipment warranty periods in your offer.
Net metering up to 10.8 kW
Surplus power reduces your consumption in the following months. For households that file the EDS request by 31.12.2026.
Swiss quality
A Swiss company with Swiss installation standards.
What our customers say
Real experiences with FreeState in Switzerland, transparent, personal and relatable.
„Rooftop PV system on the Diggelmann Bau AG premises. Modules, Huawei inverter and a Huawei battery with energy management, sized to demand.“
75.25 kWp 
164 modules (460 Wp each) 
Huawei with battery 
„Rooftop array at Breitenstrasse in Frauenfeld. Modules, Huawei inverter plus Huawei storage and energy management, tailored to the foundation's needs.“
134.06 kWp 292 modules (460 Wp each) Huawei with battery 
„C&I installation with Sofar string inverters and a 256 kWh ESS battery. Designed for high evening and night loads to optimise self-consumption and load management.“
230 kWp 500 modules (460 Wp each) Sofar + 256 kWh battery 
Experiences with FreeState
Real reviews from our customers in Switzerland.
“ Our barn roofs were used perfectly to generate solar energy. Free State supported us brilliantly, from detailed planning to regular maintenance. Thanks to this, we are not only saving on energy costs but also making an important contribution to climate protection. ”
Rivero Pineda Leonardo
“ Extremely satisfied. Highly competent, reliable and always friendly. Communication was excellent, everything went smoothly and professionally. I can only recommend them. ”
Jason Ackles
Partners who trust FreeState
With strong partners and leading brands, we create reliable energy solutions for your home.
Calculate your solar potential now
Answer a few quick questions and get your personal solar calculation in just a few minutes. Free and non-binding.