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Solar inverter sizing guide for homeowners
Solar inverter sizing matters because it determines how much of your rooftop solar you can actually use, export, and monitor day to day. You size an inverter by balancing your home’s electricity demand, your PV array size in kWp, and how often Irish conditions push the system to peak output. In practice, that means comparing DC panel capacity to AC inverter capacity, allowing sensible headroom where it improves annual yield, while understanding the trade-off between clipping on bright spells and better efficiency in lower light. Roof space, orientation, shading, and plans for a battery, heat pump, or EV charger can...