Iceland · 10 kWp reference system
Keflavík solar forecast
Photo: APK, CC BY 4.0. Cropped, resized and converted to WebP by GridPassport.
Wednesday, August 5, 2026
About 9.5 kWh tomorrow
For a standard 10 kWp south-facing system in Keflavík, GridPassport estimates 9.5 kWh on Wednesday, August 5, 2026, with a likely range of 6.0-12.9 kWh. The strongest production window is expected at 15:00-19:00 local time.
Updated Aug 4, 2026, 06:53 PM GMT · fresh snapshot- Likely range
- 6.0-12.9 kWh
- Strongest window
- 15:00-19:00
- Confidence
- medium
Typical year
Solar production month by month in Keflavík
A standard 10 kWp system produces about 7,214 kWh in a typical year at this location. Monthly averages show seasonality; they are not a forecast for a specific year.
Values are kWh per month. Source: European Commission JRC PVGIS.
What makes Keflavík's solar profile different? The typical annual yield is about 721 kWh per installed kWp, ranking Keflavík #3 of 4 modelled locations in Iceland. That is 6% below the median of the 4 Iceland locations in this dataset. May is typically the strongest month and December the weakest; the stronger month produces about 139.0 times as much.
See the 12-month data
Nearby solar forecasts
Compare Keflavík with nearby cities
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Method and data
Every city uses a 10 kWp system facing south at 35 degrees with 14% system losses. Tomorrow's figure combines hourly weather with GridPassport's PV production and uncertainty model. The monthly profile uses the European Commission JRC PVGIS multi-year climate series. Roof direction, shade, snow, dirt, inverter clipping and local weather can change real output.