Dated, weather-based
Tomorrow's forecast
Tomorrow's value is a weather-based estimate for Monday, October 5, 2026: 43.3 kWh from the 10 kWp reference system, with a likely range of 38.1 kWh–45.4 kWh. It changes with the next weather forecast.
Germany · 10 kWp reference system
Trier solar forecast and PV yield
Forecast target: . Any “tomorrow” label on this page refers to this dated target.
- Tomorrow's forecast
- 43.3 kWh 10 kWp reference system
- Typical annual output
- 10,624 kWh 10 kWp reference system
- Typical specific yield
- 1,062 kWh/kWp Per year
Monday, October 5, 2026
About 43.3 kWh tomorrow
For a standard 10 kWp south-facing system in Trier, GridPassport estimates 43.3 kWh on Monday, October 5, 2026, with a likely range of 38.1-45.4 kWh. The strongest production window is expected at 12:00-16:00 local time.
Updated Oct 4, 2026, 11:01 PM GMT+2 · Automatically refreshed- Likely range
- 38.1-45.4 kWh
- Strongest window
- 12:00-16:00
- Confidence
- high
How to read and use the data
Trier solar forecast: daily weather versus long-term PV yield
The daily and annual figures answer different questions. Use the dated forecast to plan tomorrow, and the PVGIS specific yield to compare locations or estimate a typical year.
Multi-year climate baseline
PVGIS specific yield
Trier's PVGIS specific yield is about 1,062 kWh/kWp per year. It is a multi-year climate benchmark, not a prediction for tomorrow or for this calendar year. In the PVGIS profile, July is typically the strongest month and December the weakest.
3, 5 and 10 kWp reference systems
Scale the same assumptions to your system size
SystemTomorrow estimate (likely range)PVGIS typical year
3 kWpTomorrow estimate (likely range)13.0 kWh11.4 kWh–13.6 kWhPVGIS typical year3,187 kWh/year
5 kWpTomorrow estimate (likely range)21.6 kWh19.1 kWh–22.7 kWhPVGIS typical year5,312 kWh/year
10 kWpTomorrow estimate (likely range)43.3 kWh38.1 kWh–45.4 kWhPVGIS typical year10,624 kWh/year
Linear reference scaling only: south-facing, 35° tilt and 14% system losses. It does not resize inverter clipping, shade or local roof constraints.
From forecast to a household plan
Battery, EV, heat pump and flexible loads
Treat the forecast as a gross solar-energy budget before household base load and conversion losses. The numbers support scheduling; they do not guarantee surplus.
Battery
Keep room for the solar window
Use 12:00-16:00 as the first candidate charging window. Battery state of charge, reserve settings and inverter limits still decide how much can be stored.
EV
Compare the charge with the 5 kWp budget
The scaled 5 kWp estimate is 21.6 kWh before household use. Compare the remainder after base load with the planned EV charge and stagger charging if needed.
Heat pump
Shift only flexible thermal demand
If comfort controls allow it, place discretionary hot-water heating or pre-heating inside 12:00-16:00. Never override frost protection, hygiene cycles or manufacturer limits.
Large loads
Avoid stacking appliances
A 3 kWp system scales to about 13.0 kWh for the day before household use. Run flexible loads sequentially during the strongest hours rather than assuming all forecast energy is simultaneous power.
Local questions
Solar forecast FAQ
How much could a 5 kWp solar system produce tomorrow in Trier?
Using the same south-facing, 35-degree and 14% loss assumptions, the 5 kWp estimate is 21.6 kWh for Monday, October 5, 2026, with a scaled likely range of 19.1 kWh–22.7 kWh. This is a linear reference-system estimate, not a site survey.
What does 1,062 kWh/kWp mean for Trier?
It means the PVGIS multi-year profile produces about 1,062 kWh in a typical year for each installed kWp under the reference assumptions. A 5 kWp system therefore scales to about 5,312 kWh in a typical year before site-specific adjustments.
Is the Trier forecast the same as the PVGIS annual estimate?
No. Tomorrow's forecast uses dated weather and an uncertainty band for one day. The PVGIS figure is a multi-year climate-based specific yield used for typical monthly and annual comparisons.
When should a battery, EV or heat pump use solar in Trier?
Start with 12:00-16:00, then check household base load, battery headroom, EV energy required and heat-pump safety or comfort constraints. The forecast estimates daily energy, not guaranteed instantaneous surplus.
Typical year
Solar production month by month in Trier
A standard 10 kWp system produces about 10,624 kWh in a typical year at this location. Monthly averages show seasonality; they are not a forecast for a specific year.
351Jan
542Feb
944Mar
1226Apr
1288May
1307Jun
1317Jul
1196Aug
1063Sep
711Oct
376Nov
304Dec
Values are kWh per month. Source: European Commission JRC PVGIS.
What makes Trier's solar profile different?The typical annual yield is about 1,062 kWh per installed kWp, ranking Trier #18 of 42 modelled locations in Germany. That is 1% above the median of the 42 Germany locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 4.3 times as much.
See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuaryMonthly output351 kWhDaily average11.3 kWh/dayYear-to-year variation±75 kWh
MonthFebruaryMonthly output542 kWhDaily average19.4 kWh/dayYear-to-year variation±150 kWh
MonthMarchMonthly output944 kWhDaily average30.4 kWh/dayYear-to-year variation±187 kWh
MonthAprilMonthly output1,226 kWhDaily average40.9 kWh/dayYear-to-year variation±190 kWh
MonthMayMonthly output1,288 kWhDaily average41.5 kWh/dayYear-to-year variation±185 kWh
MonthJuneMonthly output1,307 kWhDaily average43.6 kWh/dayYear-to-year variation±160 kWh
MonthJulyMonthly output1,317 kWhDaily average42.5 kWh/dayYear-to-year variation±149 kWh
MonthAugustMonthly output1,196 kWhDaily average38.6 kWh/dayYear-to-year variation±120 kWh
MonthSeptemberMonthly output1,063 kWhDaily average35.4 kWh/dayYear-to-year variation±102 kWh
MonthOctoberMonthly output711 kWhDaily average22.9 kWh/dayYear-to-year variation±113 kWh
MonthNovemberMonthly output376 kWhDaily average12.5 kWh/dayYear-to-year variation±74 kWh
MonthDecemberMonthly output304 kWhDaily average9.8 kWh/dayYear-to-year variation±74 kWh
Nearby solar forecasts
Compare Trier with nearby cities
Tomorrow, in one email
Get Trier's solar forecast by email
Tomorrow's expected production, likely range and strongest hours. One useful email each day.
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.
CSV and JSON snapshots are published under CC BY 4.0 with source attribution.