Technische Betriebe Wil: feed-in payment from 2027
Checked on 21 September 2026
What Technische Betriebe Wil has published for 2027
- Pays the market price at the time you send power, plus the minimum premium.
- Applies from 1 January 2027.
- Guarantees of origin: 3.00 Rp./kWh in winter, 0.60 Rp./kWh in summer on top.
- Rule for negative prices not published. We use the standard rule.
Sources: Preisliste Energierückspeisung 2027 · Neue Rückliefervergütung für Solarstrom ab 2027 · Neue Rückliefervergütung für Solarstrom ab 2027
What this means for a typical house
Example: 8 kWp, facing south, 30°, 7,000 kWh use a year, postcode 9500 (weather station Aadorf / Tänikon), with Technische Betriebe Wil's electricity price. Replayed with each year's real weather and prices.
| Year | Under current rules | Under 2027 rules | Difference | Share of total earned |
|---|---|---|---|---|
| Last 12 months (Oct 2025 – Sept 2026) | CHF 693 | CHF 637 | −CHF 56 | −3.5 % |
| 2025 | CHF 536 | CHF 487 | −CHF 49 | −3.4 % |
| 2024 | CHF 422 | CHF 395 | −CHF 27 | −2.0 % |
| 2023 | CHF 611 | CHF 578 | −CHF 33 | −2.4 % |
| 2022 | CHF 2'185 | CHF 2'162 | −CHF 23 | −0.8 % |
| 2021 | CHF 679 | CHF 662 | −CHF 17 | −1.4 % |
Should you do something?
For this example house: No. The change costs you about CHF 56 a year, which is 3.5 % of everything your panels earn. None of the possible steps pays off for you. You can leave everything as it is.