Skyline (ligne d'horizon) des tours du quartier de la Part-Dieu, avec de gauche à droite : les tours Incity, Swiss life, Oxygène, Part-Dieu, To-Lyon et Silex 2.

France · 10 kWp reference system

Lyon solar forecast

Photo: Aldg692VX, CC BY-SA 4.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 51.2 kWh tomorrow

For a standard 10 kWp south-facing system in Lyon, GridPassport estimates 51.2 kWh on Wednesday, August 5, 2026, with a likely range of 40.7-56.6 kWh. The strongest production window is expected at 12:00-16:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
40.7-56.6 kWh
Strongest window
12:00-16:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Lyon

A standard 10 kWp system produces about 12,883 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 Lyon's solar profile different? The typical annual yield is about 1,288 kWh per installed kWp, ranking Lyon #5 of 10 modelled locations in France. That is close to the median of the 10 France locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 2.8 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output583 kWh Daily average18.8 kWh/day Year-to-year variation±99 kWh
MonthFebruary Monthly output805 kWh Daily average28.8 kWh/day Year-to-year variation±174 kWh
MonthMarch Monthly output1,175 kWh Daily average37.9 kWh/day Year-to-year variation±156 kWh
MonthApril Monthly output1,313 kWh Daily average43.8 kWh/day Year-to-year variation±184 kWh
MonthMay Monthly output1,351 kWh Daily average43.6 kWh/day Year-to-year variation±155 kWh
MonthJune Monthly output1,407 kWh Daily average46.9 kWh/day Year-to-year variation±118 kWh
MonthJuly Monthly output1,486 kWh Daily average48.0 kWh/day Year-to-year variation±151 kWh
MonthAugust Monthly output1,407 kWh Daily average45.4 kWh/day Year-to-year variation±88 kWh
MonthSeptember Monthly output1,252 kWh Daily average41.7 kWh/day Year-to-year variation±91 kWh
MonthOctober Monthly output956 kWh Daily average30.8 kWh/day Year-to-year variation±129 kWh
MonthNovember Monthly output626 kWh Daily average20.9 kWh/day Year-to-year variation±92 kWh
MonthDecember Monthly output522 kWh Daily average16.8 kWh/day Year-to-year variation±119 kWh

Nearby solar forecasts

Compare Lyon 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.