Home battery in the Canton of Graubünden
Battery storage in the Canton of GraubündenStorage in Graubünden.
In Graubünden the tax administration explicitly lists battery storage as deductible costs. The cantonal winter electricity subsidy is based on system output.
- Site visit: free and with no obligation
- Binding quote within 72 hours
- Calculated with the electricity price in the Canton of Graubünden: 29.2 ct./kWh
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- documented reference systems
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- 718.1kWp
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Data in the Canton of Graubünden
Solar power in the Canton of Graubünden in figures
- Household electricity price 2026
- 29.2ct./kWh
- Median of the grid operators, excluding VAT. 1.5 ct. above the Swiss median (27.7 ct.).
- Solar power per person per year
- 983kWh
- Switzerland: 866 kWh.
- Solar potential of the roofs per year
- 2,630GWh
- Used so far: 8.7% (Switzerland 12.8%).
- of passenger cars are electric
- 4.8%
- Switzerland: 5.5%. An EV charger turns solar power into driving power.
- of residential buildings already use a heat pump
- 20.8%
- Switzerland: 26.2%.
- of residential buildings heat with oil or gas
- 36.2%
- Switzerland: 49.8%. A heat pump raises the self-consumption of your solar power.
Example: 10 kWp system with battery storage in the Canton of Graubünden
- Self-consumed without battery (30%)3,000 kWh
- Self-consumed with battery (60%)6,000 kWh
- Additionally self-consumed3,000 kWh
- Value at the grid pricearound CHF 880 a year
Guide value, not a quote. Assumptions: 10,000 kWh yield, battery around 10 kWh, electricity price 29.2 ct./kWh excluding VAT. Deduct the feed-in tariff you would otherwise have received for this power. Whether a battery pays off, we calculate with your consumption. More in our guide How much does a solar system cost?
Calculate a battery for meSources: ElCom (electricity prices 2026), Swiss Federal Office of Energy (solar potential), Energie Reporter by geoimpact on behalf of SwissEnergy (solar power, electric cars; CC BY 4.0), Federal Statistical Office (Register of Buildings and Dwellings), MeteoSwiss (hail climate), Energy Promotion Ordinance (one-off payment).
Battery storage in the Canton of Graubünden
What applies to your battery storage in Graubünden
Taxes and subsidies in Graubünden
On tax, the Canton of Graubünden is clear. The tax administration’s practice ruling lists installing a photovoltaic system among investments in energy saving and environmental protection. Because storing solar power locally serves the efficient use of renewable energy, the costs of battery storage also fall under this. They are deductible for existing buildings.
The cantonal subsidy programme for photovoltaics targets winter electricity. The guide of the Office for Energy and Transport requires, among other things, a tilt angle of 60 to 90 degrees and at least 3 kWp. The subsidy is based on installed output in kWp. A battery does not appear in the guide, and the application must be submitted before work starts. We confirm which subsidy applies today with the office before we send you a quote.
Registration and fire protection
You notify solar systems in the canton with the notification form and the self-declaration. We include the battery in the registration with the grid operator. A licensed electrical installation company carries out the installation. For fire protection, the leaflet of the VKF (Swiss association of cantonal fire insurers) for lithium-ion batteries applies. Home batteries up to 15 kWh per fire compartment count as small storage systems, up to 100 kWh as medium ones. In mountain and holiday homes we check at the site visit whether the room is dry, frost-free and well ventilated.
When a battery pays off in Graubünden
Electricity prices in the Canton of Graubünden are slightly above the Swiss average. Whether a battery pays off therefore depends on the individual case: on your evening and night consumption and on your utility’s feed-in tariff. A house with a heat pump uses a lot of electricity mainly in winter, when the system produces little. A winter electricity system on a facade or steep roof produces more in that period. A battery then shifts part of the electricity into the evening hours.
Where the grid in remote locations is more prone to faults, a backup power function can be added. We put the options side by side in the quote and calculate with the tariff of your grid operator.
Grid operators
Electricity prices 2026 in the Canton of Graubünden
What power from the grid costs is set by your grid operator. The more expensive grid power is, the more every kilowatt hour you use from your own roof is worth.Swiss median: 27.7 ct./kWh.
| Commune | Grid operator | ct./kWh |
|---|---|---|
| Chur | IBC Energie Wasser Chur (IBC) | 29.9 |
| Davos | EWD Elektrizitätswerk Davos AG | 23.7 |
| Landquart | Repower AG | 30.6 |
| Domat/Ems | Rhiienergie AG (rhiienergie) | 25.6 |
Source: ElCom, Federal Electricity Commission, tariffs 2026.
The free site visit
One appointment at your home. Then you know everything.
A project manager from our team visits you and checks three things. No sales show, no obligation. Afterwards you receive a binding quote with yield, subsidies and payback.
01Roof
Area, orientation, pitch, condition of the roof covering and shading.
02Electrical system
Grid connection, distribution board and space for inverter and battery.
03Your consumption
Electricity bill, car, heating, plans. From this we calculate yield and subsidies.
How your project runs
Request
Tell us briefly about your building and your goal. Online or by phone.
Site visit
We check your roof, electrical system and consumption at your home. Free of charge.
Quote in 72 hours
Binding and transparent, with yield, subsidies and payback.
Permit and subsidies
We handle the notification procedure, the grid operator and Pronovo.
Installation and commissioning
Our own installers, a fixed date, final inspection with you on the roof.
Step 1 takes one minute. We take care of the rest.
Google reviews
What our customers say about us.
5.0
Unabridged and unedited, straight from our Google profile. The reviews are in German.
All reviews on GoogleWir sind sehr zufrieden mit unserer Wallbox für unser E-Auto.
Cemil B. · October 2026
Wir können Solarinnovation.ch und insbesondere Jordan für seine kompetente Beratung und perfekte Umsetzung als zuverlässigen Partner für nachhaltige Energielösungen aus einer Hand von Herzen weiterempfehlen. Er hat uns mit seinem umfangreichen Fachwissen von der ersten Beratung bis und mit der Umsetzung kompetent begleitet. Er hat alle Fragen immer verständlich erklärt. Wir sind mit der Indach-Solaranlage, kombiniert mit einem Speicher sehr zufrieden.
Daniel · August 2026
Die SolarInnovation GmbH hat mich durch ihre sehr flexible und kompetente Beratung und Arbeitsausführung sehr überzeugt!
Frederic L. · September 2025
Eine sehr seriöses Firma. Danke Aulson, Danke Jorden.
Alex I. · August 2025
Top Service und super Beratung! Unsere Solaranlage am linken Zürichseeufer läuft perfekt, produziert mehr Strom als erwartet und sieht auch noch toll aus. Absolut empfehlenswert!
Marc W. · August 2025
Built near you.
29 projects, 718.1 kWp in total. From Zumikon and Lachen we work all over German-speaking Switzerland, most often in the cantons of Zurich, St. Gallen, Schwyz and Aargau.
Canton of Zurich
- Rüti41.1 kWp
- Zürich26.6 kWp
- Zürich6.8 kWp
- Zürich10.9 kWp
- Gossau ZH7.7 kWp
- Zollikerberg17.7 kWp
- Ebmatingen16.9 kWp
- Ebmatingen17 kWp
- Zürich7.5 kWp
- Maur6.9 kWp
- Herrliberg14.8 kWp
- Herrliberg12 kWp
- Meilen17.2 kWp
- Bachs10.2 kWp
Canton of St. Gallen
Canton of Schwyz
Canton of Aargau
- Staffelbach16 kWp
- Reinach AG20.7 kWp
- Berikon19.8 kWp
- Oberkulm20.7 kWp
Canton of Lucerne
Canton of Zug
Frequently asked questions
Before you get in touch.
Is the site visit really free?
Yes. The visit and the quote cost you nothing and commit you to nothing. You only decide once you hold the binding quote in your hands.
Can I deduct a battery from my taxes in Graubünden?
Yes, for existing buildings held as private assets. The tax administration's practice ruling states that storing solar power serves the efficient use of renewable energy. The costs are therefore deductible in the same way as those of the photovoltaic system. Confirm your case in advance with the tax office.
Does the Canton of Graubünden pay a subsidy for the battery?
The cantonal winter electricity programme bases the subsidy on installed output in kWp. A battery does not appear in the guide. We confirm which subsidies apply today with the Office for Energy and Transport before we send you a quote.
Is a battery useful in Chur or Davos during a power cut?
Only with a backup power function. It must be planned from the start with a suitable inverter and an adapted electrical distribution board. The battery then keeps important appliances such as the fridge, lighting and heating controls running.
How large does the battery storage need to be?
As a rule of thumb, about 1 kWh of storage capacity per 1 kWp of solar output, usually 8 to 15 kWh for single-family homes. What matters is your consumption in the evening and at night. We read it from your electricity bills and calculate the right size.
Is a battery financially worthwhile?
That depends on the electricity price, the feed-in tariff of your grid operator and the price of the battery. The lower the feed-in tariff, the more each kilowatt-hour you use yourself is worth. In the quote, we calculate both options, with and without a battery, side by side.
How long does a battery last?
Modern lithium iron phosphate batteries are designed for several thousand charge cycles, which often means 10 to 15 years or more. Warranty terms differ by manufacturer. We state them in the quote.
Which regions do you cover?
All of German-speaking Switzerland. We build most often in the cantons of Zurich, St. Gallen, Schwyz and Aargau. Our locations are in Zumikon ZH and Lachen SZ.
From one company
Goes well with
The first step
We come to you. Free of charge.
We check your roof, electrical system and consumption. Afterwards you know what is possible on your roof, what it costs and which subsidies you receive. The binding quote follows within 72 hours.
- Free and with no obligation
- Quote within 72 hours
- Subsidies pre-financed on request
