Amandla amaphaneli we-solar photovoltaic ngokuvamile achazwa ngama-watts (W), isibonelo, iphaneli ye-photovoltaic engu-100-watt ingakhiqiza ama-watts angu-100 kagesi.Ubukhulu namandla amaphaneli we-photovoltaic angakhethwa ngokuvumelana nezidingo, futhi angaba amancane, ngezicelo zokuhlala nezokuhweba, noma ezinkulu, ezitshalweni ezinkulu zamandla elanga.