WE CLAIM:
1. A power management device (110) to manage computing device power
consumption, the power management device comprising:
a context determination module (204) to determine a context associated with a user of a group of computing devices of a plurality of computing devices (150) located within a building (102), the power management device is communicatively coupled to each computing device via an associated network (140); and
a power management controller module (212) to: (i) compare the context associated with the user to a power management policy, the power management policy comprising one or more power management rules that define a power consumption level for the group of computing devices based on the context associated with the user, (ii) communicate with the group of computing devices to adjust the power consumption level of the group of computing devices in response to satisfaction of one or more power management rules by the context associated with the user, (iii) determine a computing device of the group of computing devices located closest to the user, and (iv) transmit a notification to the computing device determined to be closest to the user.
2. The power management device of claim 1, wherein the context
determination module is further to receive user context data from one or more of
plurality of the computing devices; and
wherein to determine the context associated with the user comprises to determine at least one of a location of the user or an activity of the user based on the received user context data.
3. The power management device of claim 2, wherein the received user
context data comprises at least one of user presence data indicative of a time the
user was last detected in a proximity to a computing device of the group of
computing devices, location data indicative of the location of the user within the
building, user location data indicative of a user-reported location within the
building, or user interaction data indicative of a last interaction of the user with
the computing device of the group of computing devices.

4. The power management device of claim 2, wherein the one or more
power management rules comprise at least one of a first power management rule
to adjust the power consumption level of the group of computing devices in
response to a determination that the user is located within a particular room of the
building,
a second power management rule to adjust the power consumption level of the group of computing devices in response to a determination of no interaction by the user with the group of computing devices within a reference time period,
a third power management rule to adjust the power consumption level of the group of computing devices in response to the determined activity of the user, or
a fourth power management rule to adjust the power consumption level of the group of computing devices based on historical context data associated with the user.
5. The power management device of claim 1, wherein to communicate with the group of computing devices to adjust the power consumption level comprises to transmit a power control instruction to one or more of the plurality of computing devices.
6. The power management device of claim 5, wherein the power control instruction comprises at least one of a shutdown instruction, a boot instruction, a wake instruction, a sleep instruction, a hibernate instruction, a processor clock rate control instruction, or a processor core control instruction.
7. The power management device of claim 1, wherein to communicate with the group of computing devices to adjust the power consumption level comprises to transmit a power management policy update to the group of computing devices, the power management policy update to update local power management policies of the group of computing devices.
8. The power management device of claim 7, wherein to transmit the notification comprises to transmit global power status data to the group of computing devices, the global power status data comprises at least one of an identity and a location of each active computing device of the group of computing

devices, a total number of users located in the building, or a total number of users located in each room of the building.
9. The power management device of claim 7, wherein to transmit the
notification comprises to transmit an alert to the group of computing devices, the
alert comprises at least one of an identity and a location of each active computing
device of the group of computing devices located in another room of the building,
a current location of the group of computing devices, or total amount of potential
power savings for turning off one or more of the plurality of computing devices.
10. The power management device of claim 7, wherein to transmit the notification comprises to transmit general notification data to the group of computing devices, the general notification data comprises at least one of an identity and a location of each computing device of the group of computing devices turned off or the identity and location of each computing device scheduled to be turned off.
11. The power management device of claim 1, wherein the power management controller module is further to transmit a notification to a mobile computing device.
12. The power management device of claim 1, wherein the power management controller module is further to receive local power status data from each of the group of computing devices, the local power status data comprises a current power consumption level for a corresponding computing device.
13. The power management device of claim 1, wherein the context determination module is further to: (i) compare the context associated with the user to historical context data associated with the user, and (ii) determine whether a contextual pattern exists based on the comparison; and
wherein the power management controller module is further to: (i) update the power management policy based on the determined contextual pattern, and (ii) transmit one or more of a power control instruction, a power management policy update, or a notification to one or more of the plurality of computing devices based on the updated power management policy.

14. One or more machine-readable media comprising a plurality of
instructions stored thereon that in response to being executed by a power
management device (110), cause the power management device to:
determine (402) a context associated with a user of group of computing devices of a plurality of computing devices (150) located within a building (102), the power management device communicatively coupled to each computing device via an associated network (140);
determine a computing device of the group of computing devices located closest to the user;
compare (412) the context associated with the user to a power management policy, the power management policy comprising one or more power management rules that define a power consumption level for the group of computing devices based on the context associated with the user;
communicate (416) with the group of computing devices to adjust the power consumption level of the group of computing devices in response to the context associated with the user satisfying one or more power management rules; and
transmit a notification (432) to the computing device determined to be closest to the user.
15. The one or more machine-readable media of claim 14, wherein the
plurality of instructions further cause the power management device to receive
user context data from one or more of the plurality of computing devices; and
wherein to determine the context associated with the user comprises to determine at least one of a location of the user or an activity of the user based on the received user context data.
16. The one or more machine-readable media of claim 14, wherein to
communicate with the group of computing devices to adjust the power
consumption level comprises to at least one of: (i) transmit a power control
instruction to one or more of the plurality of computing devices, or (ii) transmit a
power management policy update to the group of computing devices, the power
management policy update to update local power management policies of the
group of computing devices.

17. The one or more machine-readable media of claim 14, wherein the plurality of instructions further cause the power management device to receive local power status data from each of the group of computing devices, the local power status data comprises a current power consumption level for a corresponding computing device.
18. The one or more machine-readable media of claim 14, wherein the plurality of instructions further cause the power management device to:
compare the context associated with the user to historical context data associated with the user;
determine whether a contextual pattern exists based on the comparison;
update the power management policy based on the determined contextual pattern; and
transmit one or more of a power control instruction, a power management policy update, or a notification to one or more of the plurality of computing devices based on the updated power management policy.
19. A method for managing computing device power consumption, the
method comprising:
determining (402), by a power management device (110), a context associated with a user of group of computing devices of a plurality of computing devices (150) located within a building (102), the power management device communicatively coupled to each computing device via an associated network (140);
determining, by the power management device, a computing device of the group of computing devices located closest to the user;
comparing (412), by the power management device, the context associated with the user to a power management policy, the power management policy comprising one or more power management rules that define a power consumption level for the one or more computing devices based on the context associated with the user;
communicating (416), by the power management device, with the group of computing devices to adjust the power consumption level of the group of

computing devices in response to the context associated with the user satisfying one or more power management rules;
transmitting (432), by the power management device, a notification to the computing device determined to be closest to the user.
20. The method of claim 19, wherein communicating with the group of computing devices to adjust the power consumption level comprises at least one of: (i) transmitting a power control instruction to one or more of the plurality of computing devices, or (ii) transmitting a power management policy update to the group of computing devices, the power management policy update for updating local power management policies of the group of computing devices.
21. The method of claim 19, further comprising:
comparing, by the power management device, the context associated with the user to historical context data associated with the user;
determining, by the power management device, whether a contextual pattern exists based on the comparison;
updating, by the power management device, the power management policy based on the determined contextual pattern; and
transmitting, by the power management device, one or more of a power control instruction, a power management policy update, or a notification to one or more of the plurality of computing devices based on the updated power management policy.