The 10.69 kW Solar Rooftop Installation in Arnold, Maryland consists of 31 SunPower SPRX 21 345 Watt modules and three SunPower SPRp  (Transformer-Less Power One) inverters:

Banks Installation
SunPower SPRX21 series are 21% Efficient

Banks JBox

Sample Transition Box for 10.69 kW PV System

Banks Inverters
Three SunPower SPR3600p (Power One) Inverters are converting 10.69 kV DC to AC