IWB: feed-in payment from 2027
Checked on 21 September 2026
What IWB has published for 2027
- Pays a fixed price: 14.00 Rp./kWh.
- Start date not published.
- Rule for negative prices not published. We use the standard rule.
Sources: PV Rückliefertarif - IWB · Stromtarife in Basel bleiben auf Vorjahresniveau · IWB behält Tarife über Referenzmarktpreis bei
What this means for a typical house
Example: 8 kWp, facing south, 30°, 7,000 kWh use a year, postcode 4001 (weather station Basel / Binningen), with IWB'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 704 | CHF 660 | −CHF 44 | −2.6 % |
| 2025 | CHF 583 | CHF 544 | −CHF 39 | −2.5 % |
| 2024 | CHF 462 | CHF 442 | −CHF 20 | −1.4 % |
| 2023 | CHF 647 | CHF 616 | −CHF 31 | −2.0 % |
| 2022 | CHF 2'297 | CHF 2'253 | −CHF 44 | −1.4 % |
| 2021 | CHF 741 | CHF 726 | −CHF 15 | −1.0 % |
Should you do something?
For this example house: No. The change costs you about CHF 44 a year, which is 2.6 % of everything your panels earn. None of the possible steps pays off for you. You can leave everything as it is.