Consistent Data For Faster & Better

Decision Making

PRESENTED AT AEIC LOAD RESEARCH ANNUAL MEETING

MYRTLE BEACH, SOUTH CAROLINA

JULY 2005

By

SYED ALEEM

DTE ENERGY

LLOADOAD RRESEARCHESEARCH DDATAATA MMARTART VVISIONISION

Load Research groups have continuously Load Research groups have continuously

struggled to receive timely and accurate struggled to receive timely and accurate

data from corporate billing systems. data from corporate billing systems.

Quality billing system data is in greater Quality billing system data is in greater

demand than ever.demand than ever.

BILLING DATA – A VALUABLE RESOURCEBILLING DATA – A VALUABLE RESOURCE

Conceptual Overview of Data MartConceptual Overview of Data Mart

Role of LDMRole of LDM

Benefits of LDMBenefits of LDM

Drivers to LDM DevelopmentDrivers to LDM Development Implementation Implementation

(Solution/Security/Maintenance)(Solution/Security/Maintenance)

DeliverablesDeliverables

SuccessSuccess

VisionVision

ConclusionConclusion

TOPIC OF DISCUSSION

A data mart is a collection of subject A data mart is a collection of subject

specific transaction data contained in the specific transaction data contained in the

corporation’s multiple operational or corporation’s multiple operational or

production systems.production systems.

DData marts are developed with a focused ata marts are developed with a focused

objective that helps departments to objective that helps departments to

strategize based on analysis of past trends strategize based on analysis of past trends

and experiences.and experiences.

CONCEPTUAL OVERVIEW

What is a Data mart?

From Support Systems

LDM* Customer Info* Site Info * SIC Code* Energy* Demand* Revenues

From Billing Systems

* Load Factor Calc.* Hours Use Calc.* Demands Calc Using DCT.* Choice To Bundled Relationships

Calculated Values

* Samples Interval Demand Data* Billing Interval Demand Data * Meter Data

* Margin Analysis* Detailed SIC Classification Analysis* Detailed Class Analysis* Bill Frequencies* Billing Determinants

Value Added

LDM Dataflow

ROLE OF LDM

Benefits can be categorized into:Benefits can be categorized into:

Business BenefitsBusiness Benefits

Operational BenefitsOperational Benefits

Information Technology BenefitsInformation Technology Benefits

BENEFITS OF LDM

Easily Accessible DataEasily Accessible Data

Analyze Large Amount of DataAnalyze Large Amount of Data

Consolidated DataConsolidated Data

Increased ProductivityIncreased Productivity

Consistent View of DataConsistent View of Data

BUSINESS BENEFITS

Relieves Production Systems of Relieves Production Systems of

Performing Decision SupportPerforming Decision Support

Summarized DataSummarized Data

Unlimited Access to UsersUnlimited Access to Users

OPERATIONAL BENEFITS

Flexible Architecture for EnhancementsFlexible Architecture for Enhancements

Less Load on Production SystemsLess Load on Production Systems

Eliminates Enhancements to Production Eliminates Enhancements to Production

SystemsSystems

High Quality DataHigh Quality Data

INFORMATION TECHNOLOGY BENEFITS

DRIVERS TO LDM DEVELOPMENT

Customer Information & Billing Data Files

LRDB

Residential & Small Commercial

Customers Billing System

LR Extract Architecture

Analysis of Existing ProcessAnalysis of Existing Process

Identify Key Users/RequirementsIdentify Key Users/Requirements

Identify Subject AreasIdentify Subject Areas

Perform Data AnalysisPerform Data Analysis

Database Physical DesignDatabase Physical Design

Extraction & Loading ProcessExtraction & Loading Process

SecuritySecurity

MaintenanceMaintenance

IMPLEMENTATION

Billing DeterminantsBilling Determinants

Bill FrequencyBill Frequency

Class AnalysisClass Analysis

Unbilled RevenuesUnbilled Revenues

Individual Customer/Site AnalysisIndividual Customer/Site Analysis

Customer CountsCustomer Counts

Billed Usage and Summed Interval Billed Usage and Summed Interval

Demands ValidationDemands Validation

Class Average DemandsClass Average Demands

DELIVERABLES

Major Contributor toMajor Contributor to DTE’s Three Rate CasesDTE’s Three Rate Cases

Electric Rate Case Interim Order Electric Rate Case Interim Order

ImplementationImplementation

PSCR and Equalization Adjustments PSCR and Equalization Adjustments

RefundsRefunds

Michigan Electric Choice Legislation reform Michigan Electric Choice Legislation reform

effortsefforts

AES Collaborative MeetingsAES Collaborative Meetings

Provides information to Pricing, Cost of Provides information to Pricing, Cost of

Service, Service, Forecasting, Legislative and Forecasting, Legislative and

Marketing TeamsMarketing Teams

SUCCESS

LDM is a vision of the Load LDM is a vision of the Load

Research team to be self reliant Research team to be self reliant

and have access to consistent and have access to consistent

and reliable billing dataand reliable billing data

VISION

Sample DesignSample Design

Class AnalysisClass Analysis

(Total System Analysis)(Total System Analysis)

Allocation Schedule Allocation Schedule

DevelopmentDevelopment

Substation Load AnalysisSubstation Load Analysis

Data Elements DescriptionData Elements Description

VISION

Enhancements:Enhancements:

LDM is supporting Load LDM is supporting Load

Research’s goal to be a leader Research’s goal to be a leader

in formulating corporate in formulating corporate

initiatives and strategiesinitiatives and strategies..

CONCLUSION

Syed, Wait!I have a

Question..