Solar System & Battery Sizing for 1,275 kWh/Month in Dubai, UAE
Complete photovoltaic engineering breakdown for a 1,275 kWh/month (42.5 kWh/day) electricity profile in Dubai, UAE (6.1 Peak Sun Hours/day).
Technical Specification Table — 1,275 kWh/Month Solar System (Dubai, UAE)
| Monthly / Daily Electricity Consumption | 1,275 kWh/month (42.5 kWh/day) |
| Location Peak Sun Hours (PSH) | 6.1 hours/day (Dubai, UAE) |
| Required PV System Size (80% Performance Ratio) | 8.8 kWp DC |
| Number of Solar Panels (440W N-Type Bifacial) | 20 panels |
| Roof Area Required | 41.0 m² (441 sq ft) |
| Recommended Hybrid Inverter Rating | 7.9 kW AC |
| Recommended LiFePO4 Battery Storage (85% DoD) | 32.5 kWh Nominal (27.6 kWh Usable) |
| Estimated Annual Output | 15,675 kWh/year (~1,306 kWh/month) |
| Estimated System Turnkey Cost (Before Tax Credits) | AED 28,160 |
| Annual Electricity Bill Savings (@ AED 0.38/kWh) | AED 5,956/year (AED 496/month) |
Frequently Asked Questions
How many solar panels are needed for 1,275 kWh per month in Dubai, UAE?
With an average of 6.1 Peak Sun Hours per day in Dubai, UAE and an 80% system performance ratio, a monthly usage of 1,275 kWh (42.5 kWh/day) requires a 8.8 kWp solar array, which equals 20 standard 440W N-Type solar panels occupying 41.0 m² (441 sq ft) of roof space.
What size solar battery bank do I need for 1,275 kWh/month?
To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 32.5 kWh nominal (27.6 kWh usable) LiFePO4 battery bank paired with a 7.9 kW hybrid inverter is recommended.
How much money will a 8.8 kW solar system save in Dubai, UAE?
Generating approximately 15,675 kWh per year at an average local tariff of AED 0.38/kWh, the system saves AED 5,956 per year (AED 496/month) with an estimated payback period of 4.7 years.