Flyfoto av Trondheim i retning nord. Trondheim, Norway facing North.

Norway · 10 kWp reference system

Trondheim solar forecast

Photo: Trondheim Havn from Trondheim, Norway, CC BY-SA 2.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 36.5 kWh tomorrow

For a standard 10 kWp south-facing system in Trondheim, GridPassport estimates 36.5 kWh on Wednesday, August 5, 2026, with a likely range of 26.4-45.3 kWh. The strongest production window is expected at 14:00-18:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
26.4-45.3 kWh
Strongest window
14:00-18:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Trondheim

A standard 10 kWp system produces about 7,554 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 Trondheim's solar profile different? The typical annual yield is about 755 kWh per installed kWp, ranking Trondheim #5 of 7 modelled locations in Norway. That is 8% below the median of the 7 Norway locations in this dataset. May is typically the strongest month and December the weakest; the stronger month produces about 56.3 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output65 kWh Daily average2.1 kWh/day Year-to-year variation±27 kWh
MonthFebruary Monthly output275 kWh Daily average9.8 kWh/day Year-to-year variation±79 kWh
MonthMarch Monthly output703 kWh Daily average22.7 kWh/day Year-to-year variation±162 kWh
MonthApril Monthly output970 kWh Daily average32.3 kWh/day Year-to-year variation±165 kWh
MonthMay Monthly output1,135 kWh Daily average36.6 kWh/day Year-to-year variation±131 kWh
MonthJune Monthly output1,130 kWh Daily average37.6 kWh/day Year-to-year variation±152 kWh
MonthJuly Monthly output1,114 kWh Daily average36.0 kWh/day Year-to-year variation±151 kWh
MonthAugust Monthly output952 kWh Daily average30.7 kWh/day Year-to-year variation±104 kWh
MonthSeptember Monthly output658 kWh Daily average21.9 kWh/day Year-to-year variation±122 kWh
MonthOctober Monthly output408 kWh Daily average13.2 kWh/day Year-to-year variation±118 kWh
MonthNovember Monthly output124 kWh Daily average4.1 kWh/day Year-to-year variation±38 kWh
MonthDecember Monthly output20 kWh Daily average0.7 kWh/day Year-to-year variation±7 kWh

Nearby solar forecasts

Compare Trondheim 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.