TELEC Renggli S.A. (Télécommunications, Electricité et Commerce)
2735 Malleray · about 9.3 km
Company specialized in electrical installations and telecommunications systems, including network infrastructure and related trade.
telecrengglisa.chHome solar battery · Grenchen
Installing a solar battery in Grenchen
Optimizing your solar self-consumption in Grenchen is a strategic choice for the energy transition. A home solar battery allows you to store energy generated during the day for evening peak hours. Before starting your project, assessing your real needs is essential for a profitable investment. RenoIndex supports you in this process by offering a precise cost estimate tailored to the local market. Discover our professional advice for a successful installation and get started with your solar energy project today.
At a glance
- Typical budget
- CHF 7'200 – CHF 15'400
- Midpoint
- CHF 10'500
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Grenchen
Small project
CHF 4'000 – CHF 9'100
Typical project
CHF 7'200 – CHF 15'400
Large project
CHF 12'400 – CHF 25'400
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 5 kWh | CHF 4'000 | CHF 9'100 | CHF 1'200 |
| Typical project | 10 kWh | CHF 7'200 | CHF 15'400 | CHF 1'100 |
| Large project | 18 kWh | CHF 12'400 | CHF 25'400 | CHF 1'000 |
Computed with our estimator for Grenchen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 2'100 (20 %)
- Materials : CHF 7'300 (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
Grenchen's housing stock in figures
In Grenchen, the federal building register lists 3'013 residential buildings and 10'413 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
68 % built before 1980
- Before 191910 %
- 1919–194516 %
- 1946–196024 %
- 1961–197011 %
- 1971–19807 %
- 1981–199010 %
- 1991–20008 %
- 2001–20105 %
- Since 20119 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
52 % · Gas
- Gas52 %
- Heating oil29 %
- Heat pump15 %
- 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 | 52 % | 50.8 % |
| Heating oil | 29 % | 22.2 % |
| Heat pump | 15 % | 7.3 % |
| Electricity | 1 % | 17.1 % |
| Wood | 3 % | 1.5 % |
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)80.5 %
- Heat pump14.8 %
- Condensing boiler2.3 %
- Central electric heating1 %
- Stove1 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses53.6 %
- Two-dwelling houses11.9 %
- Apartment buildings (3+)34.4 %
- Other0.1 %
9.9 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 125 m²
- median dwelling area
- 87 m²
Renovations, heritage and volumes
For your renovation projects in Grenchen, the official RegBL figures provide essential insights despite partial data coverage. With 4 buildings listed under heritage protection, it is crucial to contact the municipality early to navigate permit requirements. The median building volume of 755 m3, derived from a limited set of 4 measurements, helps define the scale for your insulation or heating upgrade plans. Since renovation years are not recorded and volumetric data is sparse, conducting an on-site assessment remains a necessary step to ensure your renovation budget and planning are accurate and reflective of your specific property.
4
buildings flagged as protected
status known for 177 of 3'013 buildings; check with the municipality
755 m³
median house volume (SIA 416)
measured for 4 of 1'616 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 instead of injecting it into the grid, you increase your energy independence.
This allows you to power household appliances and lights in the evening with your own clean energy. In Grenchen, this solution helps manage seasonal production variations effectively.
To obtain a clear price range without surprises, use the free RenoIndex estimator. This allows you to budget your project accurately before contacting a professional installer for your home in Grenchen.
Properly sizing your system
The classic mistake is focusing only on panel power. It is crucial to size the battery capacity according to your actual evening consumption, not the peak power of your solar panels.
An oversized battery represents unnecessary costs, while too little capacity will not cover your needs. Analyze your annual household consumption profile to determine the ideal storage volume.
The RenoIndex calculator allows you to adjust these parameters to obtain a realistic price range for your residential installation in Grenchen and make informed decisions.
Compatibility and technical installation
Before any purchase, checking the compatibility with your existing inverter is mandatory. Some systems require a hybrid inverter to function correctly, while others can be added as an extension (AC-coupled systems).
A professional installation ensures not only safety but also long-term performance optimization of your storage system. If you are planning work in Grenchen, ensure you work with certified technicians.
RenoIndex supports you by providing cost estimates based on current standards, helping you avoid financial surprises during your project implementation.
Planning your budget in Grenchen
The cost of a solar battery depends on its technology, storage capacity, and specific building features. In Grenchen, as elsewhere, accurate budget planning is the key to a successful project.
Do not forget installation, wiring, and commissioning costs by professionals. RenoIndex is your trusted tool to obtain a personalized and transparent price range.
By using our services, you gain a reliable overview of market costs, allowing you to approach your discussions with installers with complete awareness and confidence.
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
Eco6therm Sàrl
2832 Rebeuvelier · about 14 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.chSolar conseil Sàrl
2605 Sonceboz-Sombeval · about 15.7 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.chHyperSolaire Sàrl
2718 Lajoux JU · about 20.7 km
Jura-based specialist in photovoltaic panel installation and energy storage solutions with AI-driven optimization.
hypersolaire.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
What is the lifespan of a solar battery?
Most current solar batteries, primarily lithium-based, have an average lifespan of 10 to 15 years. This figure strongly depends on the number of charge cycles and the daily depth of discharge. Regular maintenance performed by a professional helps to maximize the performance of these systems over time.
Do I need a permit to install a battery?
As a general rule, a battery installed inside your home does not require a special permit. However, it is recommended to check the requirements of your home insurance and ensure that the electrical installation complies with current Swiss standards. Contact a local installer to confirm these points for your specific project.
Do batteries work during a power outage?
It depends on your configuration. A standard system usually shuts down for safety reasons. To have a backup power supply during an outage, you must choose a specific inverter capable of operating in off-grid mode. Ask your installer specifically for a compatible back-up solution if you need this feature.
Can I add a battery to an existing solar system?
Yes, it is entirely possible. An AC-coupled system is then installed. This allows adding storage without modifying the original inverter. It is a flexible solution often used to modernize older solar installations in Grenchen. Consult RenoIndex to estimate the costs of this upgrade for your home.
Works often combined in Grenchen
Solar panels cost in GrenchenHeat pump installation cost in GrenchenSolar water heating cost in Grenchen
Other works in Grenchen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsSolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade