Alencon’s String Power Optimizers and Transmitters (SPOTs) are the most powerful DC-DC optimizers for utility scale PV applications found on the market today. Each SPOT has up to four (4) inputs and can accommodate anywhere from 4 to 8 strings. Each input offers its own maximum power point tracker (MPPT) assuring you achieve the highest level of energy production from your PV array for the minimum amount cost.