A system for facilitating a shutdown of output power from an energy panel arrangement to a power converter, comprising: - a shutdown discharge circuit coupled to a power-line communication line disposed between the energy panel arrangement and the power converter that is configured to convert DC power from the energy panel arrangement to AC power for an AC power grid, the shutdown discharge circuit comprises: a switching arrangement configured to direct power, associated with shutting down output power from the energy panel arrangement to the power converter, through a power dissipating device; comprising: - a shutdown implementation module that comprises the shutdown discharge circuit having the power dissipating device configured to dissipate the power associated with shutting down the output power from the energy panel arrangement to the power converter: characterized by comprising - a shutdown controller coupled to the power-line communication line and configured to establish a communication connection over the power-line communication line with the shutdown implementation module, the shutdown implementation module being configured to responsive to at least one of identifying a loss of the communication connection or receiving a shutdown instruction over the power-line communication line from the shutdown controller; identify a power shutdown condition over the power-line communication line; and activate the shutdown discharge circuit to dissipate the output power from the energy panel arrangement. - a shutdown discharge circuit coupled to a power-line communication line disposed between the energy panel arrangement and the power converter that is configured to convert DC power from the energy panel arrangement to AC power for an AC power grid, the shutdown discharge circuit comprises: a switching arrangement configured to direct power, associated with shutting down output power from the energy panel arrangement to the power converter, through a power dissipating device; comprising: - a shutdown implementation module that comprises the shutdown discharge circuit having the power dissipating device configured to dissipate the power associated with shutting down the output power from the energy panel arrangement to the power converter: characterized by comprising - a shutdown implementation module that comprises the shutdown discharge circuit having the power dissipating device configured to dissipate the power associated with shutting down the output power from the energy panel arrangement to the power converter: characterized by comprising - a shutdown controller coupled to the power-line communication line and configured to establish a communication connection over the power-line communication line with the shutdown implementation module, the shutdown implementation module being configured to responsive to at least one of identifying a loss of the communication connection or receiving a shutdown instruction over the power-line communication line from the shutdown controller; identify a power shutdown condition over the power-line communication line; and activate the shutdown discharge circuit to dissipate the output power from the energy panel arrangement.