TB Seon: feed-in payment from 2027
Checked on 22 September 2026
What TB Seon has published for 2027
- Pays a fixed price: 7.00 Rp./kWh.
- Applies from 1 January 2027.
- Guarantees of origin: 2.00 Rp./kWh on top.
- Negative market prices do not affect you directly with this model.
Sources: TBS Einspeisung Rücklieferung mit HKN, Fixpreis Tarif 2027 · TBS Mitteilung Rückliefertarife 2027
What this means for a typical house
Example: 8 kWp, facing south, 30°, 7,000 kWh use a year, postcode 5703 (weather station Buchs / Aarau), with TB Seon'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 714 | CHF 644 | −CHF 70 | −4.5 % |
| 2025 | CHF 582 | CHF 514 | −CHF 68 | −4.5 % |
| 2024 | CHF 452 | CHF 413 | −CHF 39 | −2.6 % |
| 2023 | CHF 681 | CHF 643 | −CHF 38 | −2.4 % |
| 2022 | CHF 2'281 | CHF 2'253 | −CHF 28 | −1.0 % |
| 2021 | CHF 752 | CHF 730 | −CHF 22 | −1.6 % |
Should you do something?
For this example house: No. The change costs you about CHF 70 a year, which is 4.5 % of everything your panels earn. None of the possible steps pays off for you. You can leave everything as it is.