Photovoltaic (PV) assemblies and modules for converting solar radiation to electrical energy are disclosed. A PV module comprises a plurality of PV or solar cells for generating DC power. In some embodiments, the plurality of solar cells are encapsulated within a PV laminate. A PV assembly comprises an electronic component assembly coupled to the PV module. The electronic component assembly comprises an enclosure defining an interior region and a power conditioning circuit within the interior region of the enclosure. The power conditioning circuit comprises at least one electronic component for conditioning power generated by the plurality of solar cells. The electronic component assembly comprises a first electrical conduit for inputting direct current (DC) generated by the plurality of solar cells to the power conditioning circuit. The electronic component assembly further comprises a second electrical conduit for outputting conditioned power from the power conditioning circuit. Additionally, the electronic component assembly comprises a humidity control circuit within the enclosure for performing a dehumidification operation. The humidity control circuit comprises a first heating component and regulates a moisture or humidity level within the interior region of the enclosure.