regardless of when it is generated. Net metering is, in this sense, beneficial to the home owner; but it is not suitable for feed-in tariffs that offer an attractive price for exported kWh, or differential tariff that price electricity according to the time of day or night. In any case, most homeowners wish to know how much electricity is being generated by their solar arrays and often choose to have a visual display fitted in a living area of the house. It forms a good talking point with visitors. In addition, most inverters incorporate data-logging facilities allowing the owner to monitor performance using a laptop, and some include wireless data transmission.