Proprietary and Confidential to Elster Electricity, LLC. Not to be copied or reproduced without...

Proprietary and Confidential to Elster Electricity, LLC.Not to be copied or reproduced without Elster’s written consent.© Elster Electricity, LLC – November 2004

EnergyAxis®

AMR System Overview


Presentation Overview

1. Elster Electricity – who we are

2. History and Experience

3. The Elster AMR Solution

4. Product/System Delivery Schedule

5. Detailed Discussions on: MAS Communications Server A3 ALPHA Collector REX Meter RF Network Operation


Elster Electricity – Who We Are

Elster Electricity, located in Raleigh, NC, is the former Electricity Metering division of ABB Inc. and Westinghouse Electric Corp.

Elster Electricity is a subsidiary of Ruhrgas Industries (RI), headquartered in Essen, Germany, which in turn is now owned by E.ON a large German conglomerate (over $35B in revenues).

In the USA, RI owns Elster Electricity, the former ABB Water Metering group, and American Meter Company (gas metering).

Together, we are the world’s largest supplier of gas and water meters, and a leading supplier of electricity metering.


History and Experience – We are not new to AMR

Our AMR, Load Management, & Distribution Automation experience began with Westinghouse and extends over 35 years

1960s Pilot-wire meter reading and Telephone AMR 1970s Encoding meter registers 1975-1980 EPRI trials of 2-way carrier and 900 MHz radio 1982 EMETCON power line carrier system introduced 1980s Solid state recorders & communications 1985 -1997 Load Management and Distribution control systems (Carrier, Ripple, VHF & FM/SCA RF) 1990s TranstexT home automation (Telephone & CEBus) 1990s - Telephone, Cellular, CDPD, satellite and RF communications solutions for C&I metering 1999 AMR Server data collection and enterprise meter data repository 2003 EnergyAxis 900 MHz AMR system

= Commercialized systems


Elster AMR Philosophy

Provide two-way options whenever possible Favor meter data “from the meter” solutions

Direct electronic register reads Billing data auditable at meter NO intermediate pulse storage errors or network

computations

Integrate meters and communications for cost-effective solutions

Provide Meter Information solutions, not just “AMR”


Elster EnergyAxis® System

Enterprise LAN / WAN

MarketingServices

MarketingServicesLoad

Research

Load ResearchOutage

Mgt.System

Outage Mgt.

System

Engineering and

Operations

Engineering and

Operations

Work Order Mgt./

Inventory

Work Order Mgt./

Inventory

Billing /Settlement Systems

Billing /Settlement Systems

Cust. Info.

System

Cust. Info.

System

MAS-EEAMR

Server

Large System Coordination(fut. option)

Residential / C&IFixed Networks

Meters & Communications

Technology to Empower UtilitiesTechnology to Empower Utilities

Telephone / Cellular / PagingWANs

Data Collection Systems

MASCommServer

MASCommServer

MASCommServer

Meter Meter DataData


Future Water & Gas with RF Communications

MAS Data Collection Systems

EnergyAxis 900 MHz LAN

REX Meters with RF CommunicationsResidential, small

Commercial

EnergyAxis AMR System Elements

RS-232/RS-485

Analog Cellular

Telephone or Cellular WANs

RS-232 with CDMA/1XRTT or GSM/GPRS

ALPHA Meters with Communications

Commercial, Industrial, Residential

A3 ALPHAs with RF Communications

Commercial / Industrial


NEW Elster EnergyAxis AMR System

Entirely meter-based AMR system Residential, commercial, industrial Electric

solutions, future Water and Gas Uses proven 902-928 MHz unlicensed radio for

local area networks and public Wide Area Networks New Elster-designed repeating RF “mesh” LAN

architecture Elster MAS Data Collection systems on Windows

2000 PC platform can support up to 200,000 meters each


Elster EnergyAxis AMR System for Residential

MAS Comm Server

900 MHz repeating RF LAN Solution for single-phase Residential and small Commercial applications

TelephoneFuture

RF WANs

Integrates 900 MHz communications into REX and A3 ALPHA electronic meters


Public Networks (Telco / Cellular)

1-ph REX Meters

EnergyAxis 900 MHz LAN

REX meters for single-phase Commercial available today

MAS Comm Server

Small Commercial sites, Strip Malls, Shopping Centers, Large Industrial

Sites

3-ph A3 ALPHAs

Polyphase A3 ALPHAs with repeating RF LAN communications now available for energy & demand metering only

Elster AMR Functionality - Commercial & Industrial

Public Networks (Telco / AMPS / Digital

Cellular / Paging) Single or 3-phase ALPHAs

Polyphase ALPHA meters with multiple WAN AMR options available today


A Mesh Network Assumes Obstacles

Mesh networks were developed for battlefield conditions where units are moving.

Every radio repeats every message it hears.

This is chaotic and can lead to interference when units are fixed.

Elster employs a ‘controlled’ mesh where the Collector meter sets up the meter/repeater network

Algorithms emphasize reliability to each meter and allow paths to change in an organized fashion when needed.

Network configuration and changes are transparent to the operator.

C


Elster AMR System – Key Differentiating Feature

New Advanced Elster RF network Proven 900 MHz unlicensed communications

Intelligent 2-way communications to all meters

Mesh Network RF LAN architecture Any meter can be a repeater

Mesh networks controlled by A3 ALPHA Collector Meters

Architecture provides up to 7 Repeater Levels (8 ‘hops’ ) Allows communications around obstacles… fewer coverage “holes”

Expands Collectors’ coverage area… fewer units = lower costs

System Algorithms: Optimize communications reliability to each meter

Support Automatic RF registration for “Plug and go” installs

Allow Self-healing communications – Units will re-register via alternate paths when local RF conditions change


Cost-Effective for Both Targeted or Mass Deployments

Apartments

Student or Military Housing

Industrial Campuses

High-cost, Hard-to-Access,Dangerous, or High-Turnover Areas

Mass Residential and Commercial Areas


New REX Electronic Meter

New, all-electronic single-phase Elster meter Supports Elster AMR communications on main board

Utilizes unlicensed 902-928 MHz band Frequency-hopping spread-spectrum communications 1/4-watt transmit power Two-way communications support Scheduled & On-request reads of

any meter

ANSI 0.5 accuracy class (0.2 except at temp. extremes) Forms 1S, 2S, 3S and 4S (12S in 2Q2005) Voltage: 120 and 240V + 20% -40° to +85° C rating (inside the meter) Class 20, 200, or 320 self contained


REX meter supports flexible rates without costly equip-ment changes or site visits. Any meter can measure: Energy (Delivered, Received, Sum, or Net) TOU (4 Tier, 4 Season Energy) Demand (Total + 1 Tier or 2 Tiers) Real-Time / Critical Tier Pricing at any time 15, 30 or 60 minute Load Profiling

NO batteries needed for TOU or LP functions in most meters… time is kept by system and Collectors Lowers initial meter cost Eliminates battery maintenance

Elster AMR System – Key REX Features


Elster REX Meter – Other Key Features

Tamper Detection Outage / blink counts Reverse energy always metered

Meter failure statuses End-point Voltage data Utility-specific LAN ID in each meter allows

overlapping service territories without operational conflicts

Optional 200 A. Service Disconnect internal to the REX meter with demand limiting capability

Outage and Restoration data


A3 ALPHA with 900 MHz LAN Board

A3 Nodes provide polyphase AMR metering functions with LAN operation similar to REX

Units can function as an RF network repeater and can reside on same Collector networks with REX meters

Currently available in Form 12S

Forms 9S, 16S, 35S, 36S to be available 1Q2005

Limited initial functionality kWH energy and kW demand metering only

Future units will support TOU, LP, Reactive


A3 ALPHA Collector Overview

A3 Collectors can be either single-or polyphase meters Meets ANSI standards, including C12.18, 19 & 21

Consists of A3 ALPHA meter with 2 internal boards: WAN: Available with internal telephone outage modem; optional

external CDMA or GSM cellular modem, other future RF options

LAN: 900 MHz RF Internal LAN Controller Board (ILC)

Manages LAN of up to 1,024 meters, including auto-registration and re-registration processes

Includes a Lithium TOU battery to maintain LAN system time, which is broadcasted periodically to all AMR meters in the RF LAN

Maintains current and optional TOU Tier schedules for downloading to REX meters (up to 8)


Elster AMR System – Future FlexibilityEnergyAxis system adaptable for:

Broadcast messaging In-home communications Energy Management & Load Control In-home Display for customer messaging (Rates, kWh, kW, $) Pre-pay metering services Home Automation features RF or PLC communications REX unit supports up to 3 option boards

72

THERMOSTAT CONTROL

CUSTOMER MESSAGES

ENERGY PRICING

In-home Display


Elster AMR System – Future Gas & Water AMR

Elster EnergyAxis RF LAN will support RF AMR modules for Gas or Water meters or other devices Units will operate one-way inbound to extend battery life Latest REX can store up to 8 gas or water messages for

forwarding to Collector Battery powered AMR Module development has begun

with Elster sister companies AMCO Water and AMCO gas metering

Prototype field test units will be deployed later this year Expected commercial release in 2Q2006 (water) and

2007 (gas)


Elster EnergyAxis Systems Experience

Development started in 2000 Field Testing started in 2002

227 REX Meters and 3 Collectors

System announced commercially in July 2003 Elster has placed hardware at over 35 utilities

IOUs Public power US NW, SW, SE, International

All installed systems are running at 100% success for daily reads

Several Trial systems now being expanded SRP announced 125K unit expansion 10-04


Active Collecto

r

All 227 REX meters registered using 7 hops

(6 Repeater levels)

Test Network Showing Repeater Levels

All 227 REX meters registered using 5 hops

(4 Repeater levels)

Active Collecto

r

Alternate Collectors

4000

ft.

2000

ft.


Salt River Project Installation470 Meters

Apartments

120Single FamilyResidences

120Patio

Town homes

230Apartments

Single-family Residences

.5 mi.

Townhouses

• Verified operation with stucco over wire construction

• Demonstrated highly reliable daily AMR reads


Portland General ElectricInstallation Planning for Backbone System Test

(approx. 1200 Meters over 12 sq. miles)

Testing networks of 80-120 REX meter/repeaters per square mile

using 1 Collector per square mile grid

System will Provide ability to install AMR or TOU meter anywhere within the backbone network.


Orlando Utilities – 480 Meter Apartment Complex

0.5 mi.

2300 ft.

5 meters in Test Shed

Collector

Apartment Complex with 480 Meters


OUC EnergyAxis System Expansion


Elster System Benefits – Metering OperationsReduce or eliminate:

Manual meter reading costs Meter reading errors Site-related personnel injuries and liabilities Out-of-cycle manual reads for:

Move-outs / Move-ins

High turnover areas (apartments, military, colleges) Estimated Reads at hard to access / Dangerous sites Bill complaints requiring read verification

Costs of service disconnect/connect Allows Virtual or hard disconnect without visits

Possible extension to prepay system


Elster System Benefits – Metering Operations

Reduce costs of changing metering requirements

Energy, Demand, TOU, RTP, LP… selectable at any time

Allows truly random selection of load and rate research meters

Eliminate site visits to change meter to match needs

Eliminate site visits to update TOU calendar/schedules

Greatly reduces cost of TOU battery change-outs

Reduce lost revenue through early detection of meter tampering and alarms

Reverse energy monitoring / summed energy

Outage counters


Elster System Benefits – Rates/Load Research

Eliminates cost of buying special purpose meters for load research

Eliminates expense of moving meters when a new sample is required

Allows truly random selection of load and rate research meter locations

Allows new rates to be developed and applied without site visits


Elster System Benefits – Distribution Operations

System Outage and Restoration data

Verify non-restored power areas for crew dispatch

Outage / Blink counts can pinpoint faulty equipment

System Demands

Since all meters measure with time synchronized demand, it is possible to summarize demands fortransformers, line segments, feeders, etc.

Voltage monitoring Improve customer service in low voltage areas Improve system efficiencies due to lower system losses


Maximizing Your AMR Investment

Buy from a stable supplier that invests in R&D to support and upgrade their AMR systems

Look for systems with increasing value and functionality Advanced features

Connectivity

Other Utility Metering

C&I

Residential

A3 Node

CTP

WaterGas

In-Home Display

2003

2007

Fm 12S

Alt WAN

CL 320

TOU, LP

kWH, kW,

200ADisc

DSM


Summary of Utility ApplicationsThe Elster 900 MHz Mesh Network AMR System is designed for:

Urban and Suburban service areas… not rural Targeted AMR with high metering costs

Hard to Access meters High turnover areas Hazardous areas Service Disconnect applications

Full scale AMR - when higher functionality is needed or anticipated

Residential and Commercial metering Energy, Demand, TOU, or Critical Tier rates Load Profile data Gas and/or Water AMR


Elster Product Release Schedule

AMR system available today with: Form 1S, 2S, 3S, 4S REX meters w/ RF LAN Form 2S Class 320 REX Form 2S with Integral Service Disconnect Single- and polyphase A3 Collector Meters with Internal Telephone or external Cellular WAN & RF LAN MAS 5.1 Communications Server

Form 12S REX 2Q2005

A3 ALPHA with 900 MHz LAN Card 4Q04 -3Q05

MAS 5.5 – A3 Node support for TOU 4Q2005 Load Profile


Electricity Meters and Systems

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