AEW: feed-in payment from 2027
Checked on 21 September 2026
What AEW has published for 2027
- Lets you choose: a fixed price of 8.20 Rp./kWh or the market price.
- Applies from 1 January 2027 if you have a smart meter. Otherwise later.
- Rule for negative prices not published. We use the standard rule.
- Pays a bonus of 2.00 Rp./kWh for every kilowatt-hour you feed in if you cap your feed-in at 50 % of your system power (AEW FlexPV, contract needed).
Sources: Solarstrom einspeisen und fair vergüten lassen | AEW · Produktblatt AEW Rücklieferung Fixpreis 2027 · Produktblatt AEW Rücklieferung Spotmarktpreis 2027
What this means for a typical house
Example: 8 kWp, facing south, 30°, 7,000 kWh use a year, postcode 5027 (weather station Buchs / Aarau), with AEW'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 647 | CHF 592 | −CHF 55 | −3.8 % |
| 2025 | CHF 525 | CHF 475 | −CHF 50 | −3.6 % |
| 2024 | CHF 402 | CHF 375 | −CHF 27 | −2.0 % |
| 2023 | CHF 626 | CHF 591 | −CHF 35 | −2.4 % |
| 2022 | CHF 2'224 | CHF 2'197 | −CHF 27 | −0.9 % |
| 2021 | CHF 700 | CHF 679 | −CHF 21 | −1.4 % |
Should you do something?
For this example house: Yes, but only the free step: Cap your feed-in power. It brings about CHF 90 a year, more than the CHF 55 the change costs you. Anything that costs money does not pay off for you.