This object specifies the direction of the energy usage with
respect to the power grid for this Cisco Energywise neighbor
entity.
Example: A solar panel is a consumer, drawing power during some
part of the day, taking in power from the grid. It can also
generate power out to the grid at other times.
out: This indicates that the power is being consumed or drawn
out by the Cisco EnergyWise neighbor entity.
in: This indicates that the power is being produced and supplied
back into the power grid by the Cisco EnergyWise neighbor
entity.