1. Facility Smart Grid Information Model
WG1-N1605
Facility Smart Grid Information Model
Steven T. Bushby
Engineering Laboratory

2. ASHRAE/ NEMA Partnership
The proposed FSGIM is based on industry needs identified at part of the SGIP PAP 17
Being developed jointly by ASHRAE and NEMA under ASHRAE ‘s ANSI approved procedures
Parallel international standardization in ISO/TC 205 Building Environment Design

3. P
PURPOSE: The purpose of this standard is to define an abstract, object-oriented information model to enable appliances and control systems in homes, buildings, and industrial facilities to manage electrical loads and generation sources in response to communication with a “smart” electrical grid and to communicate information about those electrical loads to utility and other electrical service providers. 3

4. (a) on-site generation, (b) demand response, (c) electrical storage,
The model will support a wide range of energy management applications and electrical service provider interactions including:
(a) on-site generation,
(b) demand response,
(c) electrical storage,
(d) peak demand management,
(e) forward power usage estimation,
(f) load shedding capability estimation,
(g) end load monitoring (sub metering),
(h) power quality of service monitoring,
(i) utilization of historical energy consumption data, and
(j) direct load control. 4

5. Participants in the Process
Commercial/Institutional/Industrial Producers
Appliance, Residential Automation, and Consumer Electronics Producers
Consumers — Residential, Commercial, and Industrial
Utility
General 5

6. Customer Energy Management System (CEMS)
A Physical Example of SPC 201P Energy Objects
Solar PV
Cameras
Lighting
Ice Storage
Servers
ICT Systems
Fans
AHUs
Customer Energy Management System (CEMS)
Meter
Smart Grid
Stats
SubMeter
PHEVs
Chillers
Battery Storage 6

7. Customer Energy Management System (CEMS)12 G
Solar PV 9
ESI L G 1
Ice Storage EM 5
Thermostat EM M 14
Sub Meter L 2
Fans
Smart Grid L G
Battery Storage L 13 3
AHUs L G L 10
PHEVs
Chillers 11 L L A
Virtual Load 7
Servers
ESI L 8
Lighting EM M 6
Meter L 15
Cameras 7

8. Builds on Other Standards
Significant portions of the FSGIM model are built from related industry standards including:
IEC 61850
NAESB energy usage information standards (based on CIM)
OASIS EMIX
OASIS Energy Interoperation
OASIS WS-Calendar
WXXM

9. Seed Standard for Protocol-Specific Standards
The intended users of the FSGIM are other standards bodies developing or maintaining control protocol standards in various types of facilities.
The model is being developed in a normative UML representation to facilitate the use of electronic tools.
The text version of the standard is generated in a (mostly) automated way from the UML model.

10. What Role Does the FSGIM Model Play?
This diagram shows the major elements within the Facility Smart Grid Information Model and where they fit within an architecturally layered interface view of a facility.  The layer at the top represents data primarily coming from sources outside of the facility where these sources are loosely coupled with the systems in the facility.  The second layer shows how the ESI_EM represents the components in the facility to the external world. The third layer describes information used within the facility for monitoring, control, and analysis.
As one moves down through the layers tighter coupling among systems is expected. The scope of FSGIM stops short of providing for the representation of local control categories as indicated in the bottom boundary of the diagram.
Note that the paths shown from the EMUsagePoint, EMLoadReductionType, EMGenerationType to the corresponding Meter, Load, and Generator classes are there for the purpose of providing for the one to one correspondence between the external views of these components and their internal descriptions.

11. Overview of FSGIM Structure
Clause 1-3 – Purpose, Scope, Definitions
Clause 4 FSGIM Structure and Usage – background information to guide reader
Clause 5 Model components
Meter Component – and abstract representation of any device that measures electricity or emissions;
Load Component -- an abstract representation of any device that consumes electricity;
Generator Component -- an abstract representation of any device that produces electricity;
Energy Manager Component -- an abstract representation of any device that makes control decisions about energy generation or consumption; and
Weather Component -- an abstract representation of weather measurement and forecast information.

12. Overview of FSGIM Structure
Clause 6 Primitive Types, Classes and Enumerations
Clause 7 Conformance Requirements
Clause 8 References
Annex A – UML Model (Normative)
Annex B – UML Basics (Informative)
Example Use Cases

13. Conformance

14. Conformance
Conformance to the FSGIM ensures that a facility communications protocol conforms to one or more conformance blocks derived from the FSGIM abstract model.
A conformance block is a collection of classes and attributes and behaviors derived from the components within the FSGIM abstract model.
Conformance blocks are intended to contain a concrete set of related functionality within a model component.
A complete set of conformance blocks contains the entire set of attributes and behaviors of a FSGIM model component.

15. Conformance
In order to be conformant to the FSGIM, an SSO shall be required demonstrate the following requirements:
The SSO shall document any restrictions on the range or resolution of the FSGIM data types that are used.
The SSO shall document the conformance blocks for which they conform.
The SSO shall identify how required and optional attributes in each conformance block is represented in their standard.
The SSO shall document how their standard satisfies the behaviors for the conformance blocks.
The SSO shall document how its conformance procedures will ensure that a device implementation can specify conformance to the FSGIM and how the SSO’s conformance testing will ensure compliance.

16. SPC 201P Development Timeline
SPC formed July 2010
1st meeting August 2010
Advisory public review December 2012
Publication public review expected in summer 2013
The SPC 201P committee meets monthly
Goal: Published Standard in 2013 16

17. Further Information ASHRAE SPC 201P http://spc201.ashraepcs.org/
SGIP
NIST Web portal: 17