Montage of various landmarks in Sliema, Malta

Malta · 10 kWp reference system

Sliema solar forecast

Photo: Xwejnusgozo (montage) FrankBothe , Ies and Maris1891 (original photos), CC BY-SA 3.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 50.8 kWh tomorrow

For a standard 10 kWp south-facing system in Sliema, GridPassport estimates 50.8 kWh on Wednesday, August 5, 2026, with a likely range of 42.8-56.1 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
42.8-56.1 kWh
Strongest window
12:00-16:00
Confidence
high
Forecast my solar output

Typical year

Solar production month by month in Sliema

A standard 10 kWp system produces about 16,401 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 Sliema's solar profile different? The typical annual yield is about 1,640 kWh per installed kWp, ranking Sliema #3 of 3 modelled locations in Malta. That is 3% below the median of the 3 Malta locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 1.7 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output1,033 kWh Daily average33.3 kWh/day Year-to-year variation±117 kWh
MonthFebruary Monthly output1,138 kWh Daily average40.6 kWh/day Year-to-year variation±130 kWh
MonthMarch Monthly output1,446 kWh Daily average46.7 kWh/day Year-to-year variation±87 kWh
MonthApril Monthly output1,502 kWh Daily average50.0 kWh/day Year-to-year variation±84 kWh
MonthMay Monthly output1,627 kWh Daily average52.5 kWh/day Year-to-year variation±88 kWh
MonthJune Monthly output1,578 kWh Daily average52.6 kWh/day Year-to-year variation±54 kWh
MonthJuly Monthly output1,684 kWh Daily average54.3 kWh/day Year-to-year variation±15 kWh
MonthAugust Monthly output1,653 kWh Daily average53.3 kWh/day Year-to-year variation±66 kWh
MonthSeptember Monthly output1,439 kWh Daily average48.0 kWh/day Year-to-year variation±59 kWh
MonthOctober Monthly output1,260 kWh Daily average40.6 kWh/day Year-to-year variation±119 kWh
MonthNovember Monthly output1,058 kWh Daily average35.3 kWh/day Year-to-year variation±92 kWh
MonthDecember Monthly output984 kWh Daily average31.7 kWh/day Year-to-year variation±96 kWh

Nearby solar forecasts

Compare Sliema 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.