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DTE Energy CIM Experience. CIM Role in Smart Grid for Transmission and Distribution EPRI Conference, Washington DC 08-Sep-2010. Focus of discussion…. Fast forward -- DTE Energy background Strategy -- key factors, gaining acceptance, and moving forward

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dte energy cim experience

DTE Energy CIM Experience

CIM Role in Smart Grid for Transmission and Distribution EPRI Conference, Washington DC


focus of discussion
Focus of discussion…
  • Fast forward -- DTE Energy background
  • Strategy -- key factors, gaining acceptance, and moving forward
  • Implementation -- experiences with project teams
dte energy overview facts and figures
DTE Energy Overview: Facts and Figures

Company Name: DTE Energy Co. (NYSE:DTE)

Corporate Headquarters: One Energy Plaza

Detroit, Michigan 48226

Chief Executive Officer: Anthony F. Earley Jr.

Employees: 11,000

Financial Information: Revenue $8 Billion

Net Income $530 Million

Market Cap $7.4 Billion

Assets $24 Billion

Avg. Shares Outstanding: 165 million

dte energy overview interesting facts
DTE Energy Overview: Interesting Facts
  • 10th largest electric utility and the 11th largest gas utility
  • License application filed to commission a new Nuclear plant
  • Investing $1 billion in biomass, solar, wind and other renewable energy sources
  • Contributions of nearly $7 million to non-profit organizations
  • Currently operating in 26 states
  • U.S. Department of Energy grant of $84 million will accelerate our Smart Grid program

SmartCurrentssm = The Future of Energy

SmartCurrents = Data

-Connected Model

-Equipment Specifications

-Continuously updated mapping data

SmartCurrents = Customer Satisfaction

-Shorter, less frequent outages

-Control of home energy consumption and cost

-Wind Power, Solar Power, and Electric Vehicles

SmartCurrents = Job Satisfaction

-Dispatch direct to trouble locations

-Reduced patrol time, particularly at night or in bad weather

-Better operating maps and mapping products


Smart Grid Investment Grant Project Scope

A two year project within the SmartCurrents program

  • Information Technology (IT)
  • 15 integrated IT systems to provide a complete and connected picture of the distribution network
  • Security and Interoperability
continuous improvement is one of the top corporate priorities
Continuous Improvement is one of the top corporate priorities

Capabilities of the operationally outstanding

Capability 1: Design work to see problems

  • All work is designed so best practices are captured and problems are evident immediately.

Capability 2: Swarm problems when they occur

  • Problems are immediately addressed, both to contain their effects from propagating, and to trigger problem solving.

Capability 3: Share knowledge where it is created

  • Knowledge generated locally becomes systemic through shared problem solving.

Capability 4: Leaders train, coach, assist and teach

  • Leaders have to own the capability development process.

Capability 1: Process Design

Failure Mode: Pre-specification to ideal (no gap to ideal)

cmi at dte energy the perfect storm
CMI at DTE Energy: The Perfect Storm
  • Awareness of point-to-point problem
  • Awareness of service oriented architecture approach
  • Experience with services development for AMI
  • Promotion to SmartCurrents IT Program Manager
  • CIM revelation at Charlotte
  • Securing DOE funding
  • NIST standards as driver for DOE efforts
  • Control over how interfaces built
cmi at dte energy the perfect storm1
CMI at DTE Energy: The Perfect Storm


2007 -2008


- - - - - - - - - - - - - - - - 2010 - - - - - - - - - - - - - - -

purpose describe smartcurrents it approach for managing application interfaces
Purpose: Describe SmartCurrents IT approach for managing application interfaces
  • The most significant NIST standard for Smart Grid Interoperability relevant to IT applications is IEC 61968/61970 – Common Information Model (CIM)… and SmartCurrents IT work shall comply
  • SmartCurrents shall develop an Enterprise Semantic Model (ESM) as the basis for all application interfaces
  • SmartCurrents shall have a centralized project team with responsibility to ensure development of ESM-compliant application interfaces

IT is key for smart grid through end-to-end system integration of utility operations; CIM is focal point of IT application interoperability standard

  • “Interoperability” implies both inter-utility and intra-utility
  • Most standards relate to devices, interconnection, security, but most important to applications pertain to semantics

Semantics: The study of meaning; in IT, the meaning or definition of data

An ESM is a definition of terms, concepts, and data that is a corporate standard independent of any single department or application

Also known as a Canonical Data Model; a proven pattern for system integration


  • The lack of an ESM results in a proliferation of application specific data implementations… this is the root cause of point-to-point interfaces and “accidental architecture”
  • The CIM is sufficient to provide a basis for a comprehensive ESM that meets the needs of SmartCurrents and DTE Energy
  • Incremental integration using the ESM to define data messages is a successful approach for ESM refinement and application interface development
An industry problem is point-to-point interfaces: each interface is a mapping between two application data implementations








The IEC 61968-1 Interface Reference Model (IRM) Provides The Framework For Identifying Information Exchange Requirements Among Utility Business Functions

All IEC 61968 Activity Diagrams and Sequence Diagrams are organized by the IRM


CIM Users Group: CIM for Enterprise Integration

The CIM provides the basis for the DTE Energy ESM, then we extend it as necessary to meet situational needs
key concept incremental integration in step with business needs
Key Concept: Incremental Integration - in Step With Business Needs




Semantically Consistent ESB





CIM Users Group: CIM for Enterprise Integration

The required skills and maturity for ESM/CIM-based implementation requires a centralized approach with our best technical people
  • Requires: CIM training
  • Consulting services to assist in mapping application to ESM
  • Provides: Needs for application integration or interface
  • Application data semantics
  • Receives: Service and payload design
  • Provides: Application data semantics
  • Receives: Needs for application integration or interface
  • Service and payload design
  • Technical Architect acts as liaison supporting both ESM Services and Application Teams in realizing objectives
  • Provides: Mapping of application to ESM data
  • ESM changes
  • Standards feedback
  • Implementation specifics (ESB)
  • Receives: Standards details
steps that the enterprise services development team followed
Steps that the Enterprise Services Development team followed
  • Jump start session with SISCO guided our first CIM implementations.
  • Business partners, IT leadership, and development teams participated in CIM orientation.
  • Working sessions addressed services/object exchanges.
  • Mapping documents created for services outlining attributes of CIM objects. Corresponding XSDs and WSDLs created.
  • Producer and Consumer application teams built interfaces based on the contract.
as a result of the process the enterprise services development team proposed cim changes
As a result of the process, the Enterprise Services Development team proposed CIM changes
  • Use case: Trouble ticket for reporting power problems.
    • Developed new objects.
    • Other attribute format changes.
  • Left with our consultants to recommend changes with the working groups.
retrospective what went well
Retrospective – What went well?
  • Availability of industry experts.
  • Support from CIM community.
  • CIMUg engagement.
  • Centralized development team for our Enterprise Semantic Model and services.
  • Well defined and documented objects.
retrospective what did we learn
Retrospective – What did we learn?
  • Leadership support: getting right people involved at the right time.
  • CIM orientation provides necessary context.
  • Ambassadorial approach to ensure understanding and engagement.
retrospective what should we do differently
Retrospective – What should we do differently?
  • Repository of results (document management versus searchable web).
  • Assume responsibility for entire services design earlier (error handling, SLAs, and other details).
retrospective what still confuses us
Retrospective – What still confuses us?
  • No visibility into CIM working group.
  • Confusion around implied duplication.
    • Example: ‘ping’ a meter for its energization status. MeterReadingor EndDeviceControl/Event?
  • How do we get the right people in the room at the right time?