Solar electric array, set on a standing seam roof
:  16  Siemens SP150, 150-watt, 24VDC modules  (2.4 peak kW total)
:  Dual Solar Boost SB3048, 30-amp MPPT charge controllers
:  24 Surrette 12-VDC, 200-ahr T-12-250 batteries  (approx. 58 kWh storage)
:  Dual Xantrex SW5548 power panels
:  Onan 30kW diesel backup generator
 

Installing the solar electric array

Xantrex dual power panel and control board