Source: EEI. Rankings Among Electric Utilities (12 mos. ended 12/31/2007) Assets 11 Customers 5 Revenues 11 Market Cap (as of 2/29/08) 7

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2 Source: EEI Rankings Among Electric Utilities (12 mos. ended 12/31/2007) Assets 11 Customers 5 Revenues 11 Market Cap (as of 2/29/08) 7

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6 Corporate Financial Apps and Systems SAP ERP Power Procurement and Market Ops Planning & Forecasting Resource Dispatch Bidding & Scheduling Settlements Trading & Contracts Dashboards Enterprise Application & Data Integration (Common Information Model and Integration Bus) Operations Planning System Planning T & D Operations EMS SCADA T & D Planning and Engineering Maintenance Managements Distribution Management GIS OMS MWM Customer Services Asset Management MDMS CIS Call Center Billing Communications Infrastructure Storage & Distributed Generation Transmission Automation Substation Automation Distribution Automation Customer Integration & AMI

7 Corporate Financial Apps and Systems SAP ERP Power Procurement and Market Ops Planning & Forecasting Resource Dispatch Bidding & Scheduling Settlements Trading & Contracts Dashboards Enterprise Application & Data Integration (Common Information Model and Integration Bus) Operations Planning System Planning T & D Operations EMS SCADA T & D Planning and Engineering Maintenance Managements Distribution Management GIS OMS MWM Customer Services Asset Management MDMS CIS Call Center Billing Integrated Control Platform Communications Infrastructure Storage & Distributed Generation Transmission Automation Substation Automation Distribution Automation Customer Integration & AMI

8 Operations Integration Physical Integration Data Integration

9 Physical Integration CONCEPT

10 Physical Integration EXAMPLE Wide Area Network WAN NAN Near Area Network Local Area Network LAN Integrated Control Platform

11 Business Requirements System Performance Aligns with Performance Requirements User Interface Rules Configuration Triggers Response Operational Tools Market Based Data Integration CONCEPT Performance Requirements Use Case Operations Plan Specifications Architecture Operations Based System Performance Functional Non-functional Data Flow/Mapping M&V Data Collection Data Aggregation Data Access Data Storage 11 Cyber Security Standards Interoperability Device Interface Alarm Coordination

12 Use Case #3: The system shall enable operation of system Integrated Distributed Energy Resources (DER) as part of the RDO response to system alarms. Function Name: IDER System Activation by Alarm Description of Function: The IDER system needs to respond to critical needs quickly. The ICP uses a rules based engine to configure numerous aspects that govern the operation of the IDER System. This Use Case describes how the system shall respond to configured operational alarms to meet optimal performance objectives. The IDER System should be able to 1) allow operators to configure and classify equipment profiles based on anticipated system loads and operational thresholds; 2) classify thresholds into alarm categories; and 3) apply rules based logic to assess asset status based on alarms in near real time. 12

13 Operations/D ata Integration APPLICATION Stored Energy Temp Sensor Customer Direct Load Controller Integrated Resource Integrated Distribution Sensors, Devices and Assets ICP Data Collection & Mgmt Regional Distribution Operator Regional Display device

14 Event Scheduler IDER Dashboard

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