Friday, 1 May 2026 (forecast)
Solar generation in Armagh, Friday, 1 May 2026
Bright skies over Armagh. A 4kW install is on track for about 14 kWh today.
4kW system
Typical 3-bed NI home (10-12 panels)
14 kWh
£4.70 of electricity
6kW system
Larger home, EV owner, or heat pump
21 kWh
£7.05 of electricity
Weather on the day
- Sunshine
- 8.1 h
- Cloud cover
- 96%
- Max temp
- 18.4°C
- Solar radiation
- 4.50 kWh/m²
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Recent days in Armagh
How we worked this out
We used daily shortwave radiation data for Armagh from Open-Meteo and applied the standard PV yield model:
energy = radiation × system kWp × performance ratio.
The performance ratio is 0.78 (accounts for inverter and temperature losses, orientation and soiling).
Electricity is valued at 33.5p/kWh, the Power NI standard credit tariff.
Figures are an estimate based on forecast conditions and a representative install. Actual generation varies with roof orientation, shading and hardware.