StWZ Energie (Zofingen): feed-in payment from 2027
Checked on 22 September 2026 · uncertain
What StWZ Energie (Zofingen) has published for 2027
- Keeps the quarterly average price in 2027.
- No change is announced for 2027.
- Guarantees of origin: 2.00 Rp./kWh on top.
- Negative market prices do not affect you directly with this model.
So for you, probably nothing changes yet in 2027. The figures show what applies once the new rules reach you.
Sources: StWZ - Strom einspeisen · StWZ Mitteilung zu Tarifänderungen 2027
What this means for a typical house
Example: 8 kWp, facing south, 30°, 7,000 kWh use a year, postcode 4800 (weather station Gösgen), with StWZ Energie (Zofingen)'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 725 | CHF 657 | −CHF 68 | −4.1 % |
| 2025 | CHF 595 | CHF 527 | −CHF 68 | −4.2 % |
| 2024 | CHF 455 | CHF 420 | −CHF 35 | −2.3 % |
| 2023 | CHF 707 | CHF 670 | −CHF 37 | −2.4 % |
| 2022 | CHF 2'435 | CHF 2'404 | −CHF 31 | −1.0 % |
| 2021 | CHF 793 | CHF 775 | −CHF 18 | −1.3 % |
Should you do something?
For this example house: Not yet. Your grid company keeps its current model in 2027, and none of the possible steps pays off for you. Check again when it switches.