ADVANCED METER SECURITY SYSTEM

• US 20090167557A1
• Filed: 12/26/2007
• Published: 07/02/2009
• Est. Priority Date: 12/26/2007
• Status: Abandoned Application

• Current Assignee: Southern California Edison Company (Edison International)
• Original Assignee: Southern California Edison Company (Edison International)
• Inventors: Gooding, David Jeffrey, Bubb, John H., McDonald, Jeremy
• Application Number:
  US11/964,569
• Publication Number:
  US 20090167557A1
• Time in Patent Office: Days
• US Class Current: 340/870.10
• CPC Class Codes: G01D 4/004 Remote reading of utility meters to a fixed location
• CPC Class Codes: Y02B 70/30 Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y04S 20/242 Home appliances
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading

Abstract

A system for metering electricity consumption securely between a central station comprising data storage and a security module, an electrical device having storage memory and an electrical meter that is in data communication with the central station and the device. The meter is capable of detecting the net energy contribution of the device and transmitting the data to the central station. The security module is capable of generating and transmitting a communication code to the device via the meter for storage in the device.

Claims

1. A system for metering electricity consumption securely comprising:

a) a central station comprising data storage and a security module;

b) an electrical device having storage memory and capable of using electricity or capable of generating electricity or both, thereby having a net energy contribution; and

c) an electrical meter, the electrical meter being in data communication with the central station and the electrical device, and being capable of detecting the net energy contribution of the electrical device and transmitting the data to the central station for storage in the data storage, and

wherein the security module is capable of generating a secure communications code for transmission to the electrical device via the electrical meter for storage in the electrical device storage memory.

2. The system of claim 1, wherein the storage memory of the electrical device is capable of storing the communication code.

3. The system of claim 1, wherein the storage memory contains a pre-loaded cryptographic key.

4. The system of claim 1, wherein the electrical device is capable of generating electricity.

5. The system of claim 1, wherein the secure communications code comprises a public key and a private key pair.

6. The system of claim 1, wherein the secure communications code is loaded in the storage memory of the electrical device at the time of manufacture.

7. A system for secure data transmission comprising:

a) a central station comprising data storage and a security module;

b) multiple electrical devices having storage memory and capable of using electricity usage or capable of generating electricity or both, thereby having a net energy contribution; and

c) multiple electrical meters, each meter having associated therewith at least one electrical device, the multiple electrical meters being in data communication with the central station and at least one electrical device, and being capable of detecting the net energy contribution of the communicating electrical device and transmitting the data to the central station for storage in the data storage, and

wherein the security module is capable of generating a secure communications code for transmission to the electrical devices via the electrical meters for storage in the storage memory of the electrical devices.

8. A method for setting up an electrical device for secure data transmission to a central station through an electric meter, the electrical device having storage memory containing loaded data, the method comprising the steps of:

a) receiving at the central station, through the electrical meter, at least some of the loaded data contained in the first storage memory of the electrical device;

b) generating at the central station a secure communications code based on the received loaded data; and

c) transmitting the secure communications code to the electrical device via the electric meter for storage in the second storage memory of the electrical device.

9. The method of claim 8, wherein the loaded data is a randomly generated number.

10. The method of claim 9, wherein the randomly generated number comprises an error correcting code.

11. The method of claim 8, wherein the loaded data is embedded in the electrical device.

12. A method for registering an electrical device for secure data transmission to a central station through an electric meter, the electrical device having storage memory containing a registration code, the method comprising the steps of:

a) connecting the electrical device to the electric meter;

b) entering the registration code on a web site, where the registration code is associated with the electrical device;

c) receiving from the web site a registration signal based on the registration code; and

d) generating a secure communications code for the electrical device using a logic XOR operation on the registration code and the received registration signal.

13. A method for setting up a plurality of electrical devices for secure data transmission to a central station, each electrical device being in communication with a corresponding electric meter, there being a least two electric meters, each electric meter having associated therewith at least one electrical device, and each electrical device having storage memory containing loaded data, the method comprising the steps of:

a) receiving at the central station at least some of the loaded data through the electric meters;

b) generating at the central station a secure communications code for each electrical device based on the received loaded data; and

c) transmitting the secure communications code to each electrical device via its corresponding electric meter for storage in its storage memory.