Enosis Sàrl
3213 Liebistorf · about 20.8 km
Enosis develops biomethanation technologies to convert CO2 and surplus electricity into storable and sustainable green gas.
enosis-energies.comHome solar battery · Bern
Installing a solar battery in Bern: A practical guide
Are you considering optimizing your photovoltaic installation in Bern with a solar battery? It is an excellent decision to increase your energy autonomy. By storing the surplus produced during the day, you use your own electricity in the evening. However, succeeding in such a project requires careful planning to ensure the profitability and durability of your equipment. Discover our tips to prepare your work and get a cost estimate with the free RenoIndex estimator for your future renovation projects.
At a glance
- Typical budget
- CHF 7'400 – CHF 15'700
- Midpoint
- CHF 10'700
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Bern
Small project
CHF 4'000 – CHF 9'300
Typical project
CHF 7'400 – CHF 15'700
Large project
CHF 12'700 – CHF 25'900
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 5 kWh | CHF 4'000 | CHF 9'300 | CHF 1'200 |
| Typical project | 10 kWh | CHF 7'400 | CHF 15'700 | CHF 1'100 |
| Large project | 18 kWh | CHF 12'700 | CHF 25'900 | CHF 1'000 |
Computed with our estimator for Bern (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 2'100 (20 %)
- Materials : CHF 7'500 (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
Bern's housing stock in figures
In Bern, the federal building register lists 13'686 residential buildings and 79'038 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
89 % built before 1980
- Before 191927 %
- 1919–194532 %
- 1946–196020 %
- 1961–19706 %
- 1971–19804 %
- 1981–19903 %
- 1991–20002 %
- 2001–20102 %
- Since 20113 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
44 % · Gas
- Gas44 %
- Heating oil31 %
- Heat pump13 %
- District heating8 %
- Wood3 %
- Electricity1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 44 % | 34.8 % |
| Heating oil | 31 % | 22.6 % |
| District heating | 8 % | 6.1 % |
| Heat pump | 13 % | 9.7 % |
| Electricity | 1 % | 23.5 % |
| Wood | 3 % | 2.1 % |
| Solar thermal | 0 % | 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)34.8 %
- Condensing boiler29.9 %
- Heat pump13.3 %
- Standard boiler12.3 %
- Heat exchanger (district)7.6 %
- Central electric heating0.9 %
- Stove0.8 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses31.3 %
- Two-dwelling houses6 %
- Apartment buildings (3+)62.8 %
16.4 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 141 m²
- median dwelling area
- 75 m²
Renovations, heritage and volumes
For your renovation plans in Bern, the RegBL data provides essential context. Heritage protection applies to 5 identified buildings, requiring early contact with the municipality to secure necessary permits. Regarding building volume, the median is 770 m3 based on the SIA 416 standard, though these measurements cover only 20 out of 4279 houses. This partial data significantly impacts how you assess the scale of heating or insulation works. Please be aware that the limited data coverage means these figures serve as a general guide, and professional verification of your specific property details is recommended for accurate budget planning.
5
buildings flagged as protected
status known for 107 of 13'686 buildings; check with the municipality
770 m³
median house volume (SIA 416)
measured for 20 of 4'279 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. In Bern, like elsewhere, most households consume little energy during sunny hours. Without storage, this surplus is fed into the grid.
With a battery, you keep this energy for your nighttime needs. This reduces your dependence on traditional electricity suppliers and significantly improves your self-consumption rate.
Use RenoIndex to estimate the costs of this installation and plan your budget with peace of mind according to your specific needs.
Sizing your system correctly
The classic mistake is to rely only on the solar panel power. For maximum efficiency, size your battery capacity based on your actual evening consumption, not the peak power of your roof.
An oversized battery will never be fully charged, while too little capacity will force you to buy electricity from the grid too early in the night.
Analyzing your electricity consumption data over a full year helps determine the right storage volume needed for your Bernese household.
Essential technical checks
Before buying, it is imperative to check compatibility with your existing inverter.
If your current system is old, integrating a battery may require technical adjustments or even replacing the inverter with a hybrid model capable of managing charge and discharge flows. Consult a certified installer to assess the condition of your equipment.
A well-integrated installation guarantees a better system lifespan. Don't forget that RenoIndex helps you get a price range for these complex jobs.
Preparing your renovation project
Carrying out energy work in Bern is a strategic investment to enhance your property. In addition to the battery installation, take the opportunity to evaluate the general condition of your electrical infrastructure.
Coherent planning often helps reduce labor costs. Also, find out about local technical requirements for installing energy storage equipment to comply with current standards in the canton of Bern.
To quickly get a reliable estimate of the costs of your work, use our RenoIndex tool for free and start your project on a clear basis.
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
Solesa SA
1700 Fribourg · about 28.7 km
Solesa SA specializes in electrical installations and renewable energy systems, including consulting and maintenance in Fribourg.
solesa.com.arLEXEL Sàrl
1700 Fribourg · about 28.7 km
Electrical engineering office in Fribourg specializing in inspection, compliance, electrical panels, and energy consulting.
lexel.chFri Solar Sàrl
1700 Fribourg · about 28.7 km
Fri Solar Sàrl, based in Fribourg, specializes in the installation of photovoltaic systems and battery storage for both residential and commercial clients.
frisolar.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Is a battery always profitable?
Profitability depends on the difference between the grid purchase price and the resale price of your surplus. The higher your night consumption compared to your production, the faster the return on investment. Use RenoIndex to estimate costs.
How long does a battery last?
The average lifespan of a lithium-ion solar battery is generally between 10 and 15 years. This life cycle, however, depends on the intensity of use and the temperature conditions of the technical room where it is installed.
Can I install the battery myself?
The electrical installation must be carried out by a qualified professional. Safety standards in force in the canton of Bern require a compliant installation and certified commissioning to ensure the fire and electrical safety of your home.
Is the required space large?
Modern batteries are becoming increasingly compact. They are generally installed in a basement or a dry technical room. It is important to provide space for good ventilation to prevent the device from overheating.
Works often combined in Bern
Other works in Bern
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsSolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade