IEEE Power & Energy Magazine - January/February 2016 - 85

✔ devices and systems developed independently by

many different solution providers
✔ many different utilities
✔ millions of industrial, business, and residential customers
✔ different regulatory environments.
Moreover, these systems must work together not just
across the technical domains of the smart grid but across

stakeholder communities in enterprises not part of the existing utility industry. Achieving interoperability in such a
massively scaled, distributed system requires architectural
guidance, which is provided by the SGAM.
Interoperability as a key enabler for smart grids is inherently addressed in the SGAM by the five superimposed layers: component, communication, information, function, and

Grid

Markets

Transmission Grid Management
(Including System Operation)

Wholesale Market

Grid Capacity Market

Distribution Grid Management

Flexibility Market

Capacity Market

Microgrid Management

Balancing Market

Retail Market

Smart Substation Automation

Electricity Services

Metering Management

Balancing
Responsibilities

Trading

Asset Management
(Smart Grid and Market Interface)
Resources Related to Grid

Storage

Distributed Energy Resources

Bulk Generation

Smart Industry, Buildings, and Homes

Electric Transportation

figure 2. An IEC smart grid conceptual model.

Business Layer
* Represents Business Models and
Regulatory Requirements
Service/Function Layer
* Represents Logical Functions or
Applications Independent from
Physical Implementations

Communication Layer (OSI 1-5)
* Represents Protocols and
Mechanisms for the Exchange of
Information Between Components

Function Layer
Interoperability

Information Layer (OSI 6-7)
* Represents Information Objects or
Data Models Required to Fulfill
Functions and to Be Exchanged by
Communication

Business Layer

Component Layer
* Represents Physical Devices That
Host Functions, Information, and
Communication Means

Outline of Use Case

Information
Layer

Subfunctions

Data Model

Communication
Layer

Protocol

Component
Layer
Generation
Transmission
Distribution
Domains

DER

Data Model
Protocol

Market
Enterprise
Operation

Station
Zones
Field
Process
Customer
Premise

figure 3. A smart grid architecture model.
january/february 2016

ieee power & energy magazine

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Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - January/February 2016

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IEEE Power & Energy Magazine - January/February 2016 - Cover3
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