You can view the power consumption on the Power page in the Oracle ILOM web interface.
For the SPARC M8-8 or SPARC M7-8 server, you should see output that is similar to this:
-> show /System/Power /System/Power Targets: Power_Supplies Properties: health = OK health_details = - actual_power_consumption = xxxx watts max_permitted_power = xxxxx watts installed_power_supplies = 6 max_power_supplies = 6 ... ->
For the SPARC M7-16 server, you should see output that is similar to this:
-> show /System/Power /System/Power Targets: Power_Supplies Properties: health = OK health_details = - actual_power_consumption = xxxx watts max_permitted_power = xxxxx watts installed_power_supplies = 16 max_power_supplies = 16 ... ->