Short answer: For many buildings in Switzerland, yes – but not automatically and not equally strong everywhere. New rules for the remuneration of fed-in solar power apply from 2026. The federal subsidy remains in place, cantonal and municipal programmes continue to vary significantly, and self-consumption is more important than ever.
This page shows what economic viability depends on in 2026, for whom photovoltaics are particularly worthwhile, and when a more detailed calculation should be performed.
Key points at a glance
For the subsidy in this canton, three levels are particularly important: federal subsidy, local additional programs, and tax treatment:
- Photovoltaics can still be worthwhile in 2026 – but less universally than before.
- Self-consumption is the most important economic lever, because self-used solar electricity replaces more expensive grid electricity.
- The national subsidy via Pronovo is a central foundation.
- In addition, cantonal, municipal or energy supplier-related subsidy programmes may be relevant.
- The feed-in remuneration has been based on the federal quarterly reference market price since 2026, unless a different remuneration has been agreed.
- For systems under 150 kW, there is a statutory minimum remuneration as a lower limit.
- A battery storage system can be sensible, but it is not worthwhile in every case.
- Multiple quotes remain decisive because costs, components and technical recommendations can vary significantly.
This makes the direction clear: The specific subsidy always depends on address, system size, building type and grid operator.
- As of 22.09.2026
- Sources at the end of the article
What affects cost-effectiveness in 2026?
Economic viability in photovoltaics is not a single value. What matters is the interplay between investment costs, subsidy, self-consumption, feed-in remuneration, tax, roof quality and quote:
| Factor | Effect |
|---|---|
| Investment costs | determine initial investment and payback period |
| Pronovo one-off payment | reduces the investment costs |
| Cantonal subsidy | can bring additional benefits, but varies by region |
| Municipal and utility programmes | strongly location-dependent |
| Self-consumption | replaces more expensive grid electricity and is usually the most important lever |
| Feed-in remuneration | remunerates surplus solar electricity |
| Battery storage | increases self-consumption but incurs additional costs |
| Tax deduction | varies by canton, often economically relevant |
| Roof quality | affects yield, installation costs and feasibility |
| Quote quality | decides on components, warranties, planning and total price |
For an initial cost assessment, price ranges per kWp or per square meter of module area are helpful. However, a specific quote is always more reliable, as scaffolding, roof condition, electrical installation, grid connection, storage, and installation effort can vary greatly depending on the building.
Further information can be found on the pages Photovoltaic costs per m² and What does a solar system for a single-family home cost in Switzerland?.
Subsidy 2026: Why the canton is decisive
The national subsidy is uniformly regulated in Switzerland. For photovoltaic systems, the one-off payment via Pronovo is central. Pronovo distinguishes between:
- KLEIV: one-off payment for small photovoltaic systems with a capacity of less than 100 kW.
- GREIV: One-off payment for large photovoltaic systems from 100 kW.
- HEIV: high one-off payment for photovoltaic systems without self-consumption from 2 kW to 149.99 kW.
In addition, cantonal subsidies, municipal contributions, energy supplier programmes, storage subsidies or tax effects may play a role. This is exactly where significant regional differences arise. Therefore, it is worth looking at the website of the canton where your property is located before calculating with fixed figures.
Subsidies 2026 by canton:
Aargau · Appenzell Ausserrhoden · Appenzell Innerrhoden · Basel-Landschaft · Basel-Stadt · Bern · Fribourg · Geneva · Glarus · Graubünden · Jura · Lucerne · Neuchâtel · Nidwalden · Obwalden · Schaffhausen · Schwyz · Solothurn · St. Gallen · Ticino · Thurgau · Uri · Vaud · Valais · Zug · Zurich
National guidelines can be found on the pages Pronovo Förderung and Förderungen Photovoltaik Schweiz.
Cantonal overview: Where is a detailed check particularly worthwhile?
The cantons differ not only in their subsidy programmes and budgets, but also in building structure, grid operators, tax issues and typical consumption profiles:
| Canton type | Examples | Why it matters |
|---|---|---|
| large target markets | Zürich, Bern, Aargau, St. Gallen | many municipalities, many grid operators, high demand |
| Urban cantons | Basel-Stadt, Genf | Apartment buildings, flat roofs, ZEV/vZEV are particularly relevant |
| Alpine cantons | Graubünden, Valais, Uri, Glarus, Obwalden, Nidwalden | Winter electricity, roof pitch, snow, facade systems |
| Regions characterised by agriculture | Thurgau, St. Gallen, Bern, Fribourg, Jura | large roofs, daily consumption, larger systems possible |
| Smaller cantons | Appenzell, Nidwalden, Obwalden, Uri | Local subsidy check is particularly important |
| Cantons with relevant tax issues | depending on location | Always check the tax treatment at cantonal level |
Especially regarding taxes, no blanket statements should be made. Whether and how investments, feed-in revenues or deductions are treated depends on the canton, the building type and the specific situation.
Self-consumption: The most important lever in 2026
Solar power that you consume yourself replaces grid power. This is often more economical than pure feed-in. Fed-in electricity is indeed remunerated, but the remuneration is frequently lower than the price households pay for purchased electricity.
What can increase self-consumption:
- Heat pump that uses solar power for heating and hot water.
- Electric car with wallbox and energy management system.
- Boiler or hot water tank as flexible consumers.
- Battery storage that shifts solar power from the day to the evening.
- Self-consumption association (ZEV) for apartment buildings and sites.
- Virtual ZEV or local electricity communities, if the conditions are met.
You can find details on the pages PV system with storage and Association for self-consumption (ZEV).
Feed-in remuneration 2026: What is new
Since January 1, 2026, a new basis applies to fed-in solar power: If the grid operator and producer do not agree on different remuneration, the feed-in remuneration is based on the quarterly average reference market price of the Federal Council.
This reference market price is calculated and published by the Federal Office of Energy. It is based on the market price for electricity, weighted according to the actual feed-in of the respective technology.
For systems with an output of less than 150 kW, there is additionally a statutory minimum remuneration as a lower limit. For systems up to 30 kW, this is currently 6 Rp./kWh. For larger systems, the minimum remuneration decreases gradually to the value at 150 kW.
This makes the remuneration more predictable, but not automatically higher. In quarters with lower market prices, the feed-in remuneration may correspondingly be lower. This is precisely why self-consumption remains so important.
Read more on the page Feed-in remuneration in Switzerland.
Storage 2026: sensible or not?
A battery storage system can increase self-consumption. However, whether it is worthwhile depends heavily on the consumption profile.
Rather sensible in the case of::
- high evening and night consumption
- heat pump or electric car
- lower feed-in tariffs paid by the grid operator
- Desire for higher self-sufficiency
- Desire for backup power, provided it is technically well planned
Less meaningful in the case of::
- very low total consumption
- very small photovoltaic system
- low surplus electricity
- already high daily consumption
- high storage price in relation to the benefit
Important: Backup power or emergency power is not automatically included. Anyone who wants to keep certain consumers running during a power outage needs a solution planned accordingly.
Further information can be found on the page Photovoltaic system with storage.
When is photovoltaics particularly worthwhile in 2026?
A photovoltaic system is particularly worth checking if several of these points apply:
- gut, wenig verschattet, mit passender Ausrichtung
- high electricity consumption today or foreseeable in the future
- Heat pump present or planned
- Is there an e-car or wallbox present or planned?
- Consumption profile partially matches solar production
- Subsidy options have been reviewed
- Roof condition is good or renovation is already planned
- regional specialist installers can create comparable quotes
- Storage solution is realistically dimensioned
- Feed-in tariff paid by the grid operator and self-consumption are considered together
What remains decisive is how well roof area, self-consumption, subsidies, and feed-in tariff paid by the grid operator work together.
When should you calculate more precisely?
A more precise calculation should be made if one or more of these points apply:
- Small or complex roof with a high proportion of fixed costs
- heavy shading
- old electrical installation requiring retrofitting
- uncertain roof condition
- upcoming roof renovation
- very low self-consumption
- difficult access or high scaffolding effort
- expensive storage with unclear benefits
- unclear feed-in tariff paid by the grid operator from the local grid operator
- large system with possible grid connection limitation
In such cases, a flat-rate online assessment is too imprecise. An individual quote shows which solution is technically and economically sensible.
Example calculation: How the building blocks fit together
The following example is for illustrative purposes only to explain the logic and is not a price commitment.
A single-family home in the Swiss Plateau with four people, a heat pump, and an electric car is planning a photovoltaic system with around 10 kWp and approximately 50 m² of module area:
| Position | Classification |
|---|---|
| Investment without storage | depending on the roof, scaffolding, electrical work and components |
| Optional battery storage | Additional investment, benefit depends on the consumption profile |
| Pronovo one-off payment | one-off investment contribution if conditions are met |
| Cantonal/municipal contributions | possible depending on location |
| Tax deduction | varies by canton |
| Self-consumption | often higher with heat pump and electric car |
| Feed-in remuneration | Reference market price or agreed tariff, check HKN separately |
How much of the investment remains net and how quickly the system pays for itself depends on the specific location, the consumption profile, and the quote. Reliable figures are only provided by an individual calculation by a specialist installer.
A first own assessment can be achieved via the page Calculate solar system.
solar-guide.ch recommends: In 2026, calculate based on consumption, not just roof area. Those who use solar power as directly as possible themselves – for example with a heat pump, electric car or storage – improve cost-effectiveness. Where possible, compare several quotes with a comparable scope of services, because price and technical recommendation can vary significantly.
Conclusion
Photovoltaics are not automatically worthwhile in 2026 – but they remain very clearly beneficial for many Swiss buildings. The key is that the roof, consumption, subsidy, self-consumption, and quote all fit together.
Those who rely solely on feed-in should calculate carefully. Those who use solar power as directly as possible significantly improve cost-effectiveness. Photovoltaics become particularly interesting with a good roof, higher electricity consumption, heat pump, electric car, suitable subsidies and a fair quote.
The cantonal differences in subsidy, tax and local programmes remain important. Therefore, it is worth looking at the appropriate canton page before investing.
Do you want to know whether a photovoltaic system in 2026 is worthwhile for your building? You can submit your request free of charge and without obligation via solar-guide.ch. Your request will be forwarded to a maximum of three suitable specialist installers from your region.
Sources and further information
The following list summarises the key points regarding sources and further information:
- Pronovo: One-off payment for photovoltaic systems, KLEIV, GREIV and HEIV
- Federal Office of Energy BFE: reference market prices and photovoltaic subsidy
- Swissolar: New developments for photovoltaic systems in 2026, winter electricity bonus and minimum remuneration
- Energiefranken: Subsidy programmes by location
For the binding assessment, the specific situation of the building and the practice of the responsible authority ultimately count.
Frequently asked questions and answers
Is a photovoltaic system still worthwhile in 2026?
For many buildings, yes. The national subsidy continues, self-consumption remains economically important and the feed-in remuneration is more clearly regulated via the reference market price. However, blanket statements are difficult. The roof, consumption, subsidy, feed-in tariff paid by the grid operator and quote are decisive.
What subsidy is available in 2026?
Nationally, there is a one-off payment via Pronovo. KLEIV applies to systems under 100 kW, GREIV to systems from 100 kW and HEIV to systems without self-consumption from 2 kW to 149.99 kW. Additionally, cantonal, municipal or energy supplier-related subsidy programmes may be relevant.
Which cantons provide additional subsidies for solar systems?
This varies greatly. Some programmes directly affect photovoltaics, others battery storage, consulting, building renovation or energy efficiency. The specific programmes should always be checked on a location-specific basis.
How important is self-consumption in 2026?
Very important. Self-consumed solar power replaces grid electricity. Fed-in electricity is indeed remunerated, but economically it is often worth less than the self-consumed electricity. A heat pump, electric car, battery storage, and ZEV can increase self-consumption.
Is a battery storage worth it in 2026?
This depends on the consumption profile. With high evening consumption, a heat pump, an electric car or low feed-in remuneration, a battery storage system may be sensible. For small systems or already high daytime consumption, it is less often worthwhile. Details can be found on the page PV system with storage.
What changes with the feed-in remuneration?
Since January 1, 2026, the quarterly reference market price of the Federal Council applies as the basis if no other remuneration has been agreed between the grid operator and the producer. For systems under 150 kW, there is also a minimum remuneration as a lower limit.
What is the winter electricity bonus?
The winter electricity bonus has replaced the previous altitude bonus since 2026. It is relevant for new photovoltaic systems of 100 kW or more if they achieve a high specific winter electricity yield in the winter half-year. For typical smaller single-family home systems, it usually plays no role.
How do I find suitable specialist installers?
Submit a free and non-binding request via solar-guide.ch. Your request will be forwarded to a maximum of three suitable specialist installers from your region. Find out what matters in a quote on the page Photovoltaic system offer.
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