Eco6therm Sàrl
2832 Rebeuvelier · about 123.9 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.chHome solar battery · Wil (SG)

At a glance
Small project
CHF 3'900 – CHF 8'900
Typical project
CHF 7'100 – CHF 15'100
Large project
CHF 12'200 – CHF 24'900
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 5 kWh | CHF 3'900 | CHF 8'900 | CHF 1'200 |
| Typical project | 10 kWh | CHF 7'100 | CHF 15'100 | CHF 1'000 |
| Large project | 18 kWh | CHF 12'200 | CHF 24'900 | CHF 1'000 |
Computed with our estimator for Wil (SG) (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Wil (SG), the federal building register lists 3'589 residential buildings and 11'915 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
60 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
48 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 48 % | 36.1 % |
| Heating oil | 20 % | 15.1 % |
| Heat pump | 28 % | 24.3 % |
| Electricity | 1 % | 17 % |
| Wood | 2 % | 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.
A standard non-condensing boiler is usually older and less efficient.
12.1 % of buildings mix housing with shops or offices.
For homeowners planning renovations in Wil, official register figures show that 467 out of 523 known buildings are under heritage protection. Engaging with the municipality early is essential to navigate permit requirements. Data coverage is partial as no information is available regarding the renovation year. Furthermore, the volume data for 2083 houses reflects standards other than SIA 416, and no median volume is recorded. Consequently, when calculating the scale of heating or insulation works, you should rely on professional site assessments rather than these register figures to ensure accurate planning for your specific property project.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
A battery is worthwhile when solar output clearly exceeds your daytime use. In Wil, as in the rest of Switzerland, maximizing self-consumption is key to making your photovoltaic system profitable.
By storing the surplus energy produced by your panels, you avoid buying grid electricity in the evening when rates are often higher. This improves your energy independence and reduces pressure on the local electrical grid.
RenoIndex supports you in this process with a price estimate adapted to your specific situation for effective project planning.
Size capacity by evening consumption, not panel power. There is no point in aiming for an oversized battery if your household consumption profile does not allow you to use it fully.
Analyze your annual electricity bills and identify your demand peaks after sunset. Proper sizing ensures a better return on investment in the long term.
Our RenoIndex simulator helps you evaluate the costs of various battery models available on the Swiss market so you can make an informed decision for your project.
Check compatibility with your existing inverter before buying. If you already have a solar installation in Wil, ensure that the battery you choose can be integrated without requiring a complete replacement of your conversion system.
Some inverters are hybrid and designed to accept a battery, while others require additional equipment. A preliminary check avoids unforeseen costs during installation.
Use our RenoIndex tool to get a reliable estimate of installation costs, including any components needed for your technical upgrade.
A successful installation requires rigorous planning. Beyond choosing the equipment, you must evaluate the available space, ventilation, and access for maintenance.
Although building regulations are local, the legal framework and safety standards are defined by cantonal and federal authorities. To structure your project and budget for every step, RenoIndex provides a clear estimate.
Benefit from our free expertise to refine your financial forecasts and contact qualified professionals capable of carrying out your work in compliance with current standards.
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.
No specific grant listed for this work. Maintenance tax deductions may still apply.
2832 Rebeuvelier · about 123.9 km
Eco6therm specializes in the installation of heating systems, particularly heat pumps, and solar photovoltaic energy solutions.
eco6therm.ch2735 Malleray · about 135.4 km
Company specialized in electrical installations and telecommunications systems, including network infrastructure and related trade.
telecrengglisa.ch2605 Sonceboz-Sombeval · about 144.3 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.ch2718 Lajoux JU · about 145.1 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.
No, installing a battery is not mandatory. It is a technological choice aimed at increasing your self-consumption rate. If your production is entirely consumed during the day, the investment is not necessary. Use RenoIndex to estimate if the return on investment is relevant for your specific case.
Most modern solar batteries have a lifespan of between 10 and 20 years. This longevity depends heavily on the number of charge and discharge cycles performed, as well as the temperature conditions of the installation room. Please check the manufacturer's specifications.
The electrical installation must be carried out by qualified professionals to ensure safety and compliance with current standards in Switzerland. Improper handling can pose fire risks or void your warranty. Always request the services of a certified expert to perform the work.
You can get a free estimate of the price range for your project in Wil by using the online RenoIndex simulator. Simply enter the information regarding your home to receive a fast and tailored estimate for your project.