Eco6therm Sàrl
2832 Rebeuvelier · about 22.3 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.chHome solar battery · Therwil
Solar battery storage in Therwil: guide and costs
Installing a solar battery in Therwil is a smart choice to optimize your energy self-consumption. By capturing the surplus power generated by your solar panels during the day, you can supply your home in the evening. This guide helps you understand the key steps of your project. Before starting, we recommend using the free RenoIndex estimator to get a reliable cost range in Swiss Francs tailored to your specific home installation requirements.
At a glance
- Typical budget
- CHF 7'600 – CHF 16'100
- Midpoint
- CHF 11'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Therwil
Small project
CHF 4'200 – CHF 9'500
Typical project
CHF 7'600 – CHF 16'100
Large project
CHF 13'000 – CHF 26'700
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 5 kWh | CHF 4'200 | CHF 9'500 | CHF 1'300 |
| Typical project | 10 kWh | CHF 7'600 | CHF 16'100 | CHF 1'100 |
| Large project | 18 kWh | CHF 13'000 | CHF 26'700 | CHF 1'000 |
Computed with our estimator for Therwil (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 2'200 (20 %)
- Materials : CHF 7'700 (70 %)
- Other costs : CHF 1'100 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Battery, charge management and standard connection; options according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- Solar panels and complete electrical refurbishment
Therwil's housing stock in figures
In Therwil, the federal building register lists 2'377 residential buildings and 4'862 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
53 % built before 1980
- Before 19194 %
- 1919–19452 %
- 1946–19605 %
- 1961–197028 %
- 1971–198014 %
- 1981–199012 %
- 1991–200018 %
- 2001–201012 %
- Since 20116 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
50 % · Gas
- Gas50 %
- Heating oil27 %
- Heat pump12 %
- District heating9 %
- Wood2 %
- Electricity1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 50 % | 43.2 % |
| Heating oil | 27 % | 13.3 % |
| District heating | 9 % | 8.7 % |
| Heat pump | 12 % | 11.5 % |
| Electricity | 1 % | 16 % |
| Wood | 2 % | 1.1 % |
| Solar thermal | 0 % | 6.1 % |
Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.
Type of heating system
- Boiler (unspecified)78.2 %
- Heat pump12.4 %
- Heat exchanger (district)8.8 %
- Central electric heating0.6 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses80.4 %
- Two-dwelling houses3.1 %
- Apartment buildings (3+)16.5 %
4 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 90 m²
- median dwelling area
- 98 m²
Renovations, heritage and volumes
For your renovation plans in Therwil, the official RegBL figures provide essential guidance. With 715 buildings under heritage protection, it is vital to contact the municipality early to discuss permit requirements. Regarding building volume, the median is 782.5 m3. However, please note that this figure is based on only 16 properties measured according to the SIA 416 standard, while 1894 properties use other standards or are categorized as unknown. Consequently, data coverage for volume is partial. Furthermore, no specific data regarding the renovation year is recorded, which should be considered during your project assessment.
715
buildings flagged as protected
status known for 2'377 of 2'377 buildings; check with the municipality
782.5 m³
median house volume (SIA 416)
measured for 16 of 1'910 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Why install a solar battery?
A battery is worthwhile when solar output clearly exceeds your daytime use. By storing excess electricity, you reduce your reliance on the local power grid. This allows you to use the free energy produced on your roof even after the sun goes down.
It is crucial to evaluate your actual needs before making any purchase. Remember to use the free RenoIndex estimator to get a precise price range in CHF and plan your budget confidently according to current market standards.
Sizing your storage system correctly
Size capacity by evening consumption, not panel power. An oversized system is an unnecessary investment, while a system that is too small will not cover your needs. Analyze your evening habits to choose the optimal battery capacity.
For a cost estimate suited to the size you choose, use the free RenoIndex estimator. This tool gives you a clear view of current Swiss prices to ensure an optimal return on investment.
Compatibility and technical setup
Check compatibility with your existing inverter before buying. Some recent models are hybrid, but it is sometimes necessary to add a specific storage inverter. Hire qualified professionals to perform this complex technical integration.
A well-executed installation guarantees the longevity of your equipment and the safety of your home. To estimate the total cost of this specialized labor, check the free RenoIndex estimator for a budget range in CHF for your project.
Profitability of solar storage
Investing in a battery allows for the maximization of self-consumption, a practice encouraged by the national energy strategy. In the long run, savings on your electricity bill offset the initial cost of the equipment.
Prices vary depending on the technology and capacity chosen. To get concrete figures on your investment in CHF, use the free RenoIndex estimator.
This reference tool helps you assess the realistic cost of your installation in your area, while incorporating current Swiss market price factors.
Your project in 5 steps
1. Estimate
Set a budget range with the estimator.
2. Grants
Apply before work starts.
3. Quotes
Compare at least 3 quotes.
4. Permit
Check with the municipality whether a permit is needed.
5. Works
Follow the site and do a written handover.
Grants and subsidies
No specific grant listed for this work. Maintenance tax deductions may still apply.
Companies in the area
TELEC Renggli S.A. (Télécommunications, Electricité et Commerce)
2735 Malleray · about 35.2 km
Company specialized in electrical installations and telecommunications systems, including network infrastructure and related trade.
telecrengglisa.chHyperSolaire Sàrl
2718 Lajoux JU · about 39.4 km
Jura-based specialist in photovoltaic panel installation and energy storage solutions with AI-driven optimization.
hypersolaire.chSolar conseil Sàrl
2605 Sonceboz-Sombeval · about 44.7 km
Solar conseil Sàrl specializes in the installation of photovoltaic power plants, energy storage solutions, and energy efficiency consulting in the Jura and Bernese Jura regions.
solarconseil.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Do I need a building permit in Therwil?
Home batteries are generally installed indoors and do not require a building permit. However, always check the fire safety regulations in the canton of BL with the local authorities before starting any work.
What is the average lifespan of a battery?
Most modern lithium solar batteries last between 15 and 20 years. This longevity depends on the quality of the equipment, the number of full charge cycles, and the temperature conditions in the room where it is installed.
Does the battery work during a power outage?
This depends on your configuration. A standard system shuts down for safety during an outage. To maintain electricity, you must choose a specific model with backup functionality or a hybrid system capable of operating in off-grid mode.
How do I estimate my installation costs?
To get a precise and free estimate, use the RenoIndex estimator. You can enter your project details to find out the price range in Swiss Francs adapted to the current renovation market.
Works often combined in Therwil
Solar panels cost in TherwilHeat pump installation cost in TherwilSolar water heating cost in Therwil
Other works in Therwil
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsSolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade