Daily generation report
Solar in Derry, Monday, 31 August 2026
A weather-based estimate for representative systems. Your own roof and hardware may produce a different result.
Historical weather · modelled generation
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Representative 4kW system
8.8 kWh£2.96 at the model's tariff assumptionRepresentative 6kW system
13.3 kWh£4.44 at the model's tariff assumptionThe conditions behind the estimate
Mixed cloud over Derry. Even so, a 4kW install would generate around 8.8 kWh today.
| Sunshine | 3.7 hours |
|---|---|
| Cloud cover | 95% |
| Solar radiation | 2.83 kWh/m² |
How this report is calculated
Daily shortwave radiation × system capacity × performance ratio. The performance ratio here is 0.78. The model values electricity at 33.5p/kWh. This is a fixed assumption, not your household tariff or an export payment. The result does not measure a real household's panels.
Other recent days in Derry
Saturday, 24 October 20261.5 kWh · 4kW modelFriday, 23 October 20264.3 kWh · 4kW modelThursday, 22 October 20265.5 kWh · 4kW modelWednesday, 21 October 20262.5 kWh · 4kW modelTuesday, 20 October 20266.1 kWh · 4kW modelMonday, 19 October 20266.2 kWh · 4kW modelSunday, 18 October 20267.4 kWh · 4kW model
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