Eco6therm Sàrl
2832 Rebeuvelier · about 36.4 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.chHome solar battery · Olten
Installing a solar battery in Olten: A practical guide
Are you considering adding a solar battery storage system to your home in Olten? This is an excellent strategy to maximize your self-consumption and reduce your electricity bills. By storing surplus energy produced during the day, you can enjoy your own green power after sunset. This guide helps you through the key steps of your project. To get a precise cost estimate for your project, use the free RenoIndex tool today to receive a CHF price range tailored to your specific situation.
At a glance
- Typical budget
- CHF 7'600 – CHF 16'100
- Midpoint
- CHF 11'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Olten
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 Olten (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
Olten's housing stock in figures
In Olten, the federal building register lists 3'098 residential buildings and 11'063 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
82 % built before 1980
- Before 191926 %
- 1919–194535 %
- 1946–196013 %
- 1961–19705 %
- 1971–19803 %
- 1981–19907 %
- 1991–20003 %
- 2001–20102 %
- Since 20117 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
54 % · Gas
- Gas54 %
- Heating oil26 %
- Heat pump15 %
- District heating3 %
- Electricity1 %
- Wood1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 54 % | 40.2 % |
| Heating oil | 26 % | 16 % |
| District heating | 3 % | 3 % |
| Heat pump | 15 % | 3.9 % |
| Electricity | 1 % | 27.4 % |
| Wood | 1 % | 0.3 % |
| Solar thermal | 0 % | 6.5 % |
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)79.3 %
- Heat pump14.8 %
- Heat exchanger (district)2.9 %
- Condensing boiler1.3 %
- Central electric heating0.9 %
- Stove0.5 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses54 %
- Two-dwelling houses9.1 %
- Apartment buildings (3+)36.9 %
- Other0 %
17 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 101 m²
- median dwelling area
- 80 m²
Renovations, heritage and volumes
For your renovation projects in Olten, official building register figures offer vital planning insights. Regarding heritage protection, one building out of 3098 is designated as protected, meaning you must contact the municipality early to secure necessary permits. Concerning building volume, for the 1672 recorded houses, the median volume measured according to the SIA 416 standard is 1063 m3, which is essential for scaling your heating and insulation upgrades. Please be aware that data coverage is partial for both building volume and renovation year, as a significant number of properties do not have these specific details documented.
1
buildings flagged as protected
status known for 14 of 3'098 buildings; check with the municipality
1'063 m³
median house volume (SIA 416)
measured for 1 of 1'672 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Why invest in a solar battery?
A storage battery is particularly worthwhile when your solar output clearly exceeds your daytime usage. Without a battery, this surplus is fed into the public grid, often at a lower rate. By investing in a storage system, you increase your energy independence.
Proper sizing is crucial : base it on your evening consumption rather than just the power of your panels.
A correctly sized battery allows you to optimize the use of your locally produced energy, ensuring the best possible return on investment for your residential photovoltaic system.
Compatibility and technical installation
Before buying, it is essential to check the compatibility of the storage system with your existing inverter. Some inverters are designed to work specifically with certain battery brands.
A technically mismatched installation can lead to significant energy efficiency losses. Hire qualified professionals to perform a complete diagnostic of your current setup in Olten.
They can advise you on the type of battery, whether DC-coupled or AC-coupled, to ensure a seamless integration with your existing solar equipment.
Budget planning for your battery
The cost of a solar battery depends on its storage capacity, the technology used, and the complexity of the installation. Do not forget labor costs and any additional electrical work required at your home.
To avoid surprises, use our RenoIndex estimator to get a realistic price range for Olten. This approach will help you better structure your budget before requesting detailed quotes from local installers.
Remember that a high-quality installation ensures a longer lifespan and long-term savings.
Tips to optimize your self-consumption
To maximize the efficiency of your new battery, adapt your consumption habits to your production. Schedule energy-intensive appliances, such as washing machines or dishwashers, to run during peak solar production hours.
A battery allows you to store this surplus, but smart demand management remains key. Monitoring via a dedicated app will allow you to visualize your energy flows in real time.
By combining well-sized storage with proactive management of your household consumption, you will get the most out of your energy investment in Olten.
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 48 km
Company specialized in electrical installations and telecommunications systems, including network infrastructure and related trade.
telecrengglisa.chSolar conseil Sàrl
2605 Sonceboz-Sombeval · about 57.1 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 57.6 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 size battery should I choose for my home?
Capacity should be calculated based on your nighttime electricity consumption. Do not rely solely on your panel power. A professional can analyze your consumption data to determine the ideal number of kilowatt-hours to cover your evening needs without oversizing the system.
Does the installation require special permits?
Generally, installing an indoor battery does not require a major building permit, but requirements can vary based on cantonal or municipal regulations. It is recommended to consult your municipal technical services in Olten to check if specific declarations are required for energy storage systems.
How can I estimate the project cost?
The cost varies depending on capacity, brand, and technical constraints. To get a personalized and free price range, use the RenoIndex online simulator. This provides a reliable baseline before requesting detailed quotes from specialized companies in the canton of Solothurn.
Do I need to change my inverter to install a battery?
It depends on your current inverter. Some models are hybrid and storage-ready, others are not. Check technical compatibility before buying. Sometimes an additional battery inverter is required to manage storage, which can influence the total cost of your project.
Works often combined in Olten
Other works in Olten
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsSolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade