AMPYNext generation Pay As You Go –

two – way communicationsand much more!

AmpyManagement

System

CIS

Paystations

SalesTerminals /Call Centre

MeterShop

Billinginformation/

Readings

Meter Enquiries / PrepaySales Comms Link to Radio

Basestaion

InstallationJobs

Basestations

Monthly Billed CustomerDaily ReadingsLoad Profiles

Pay-as-you-go CustomerMeter Top-ups

Power Line Carrierto In-home unit

Meters installed using Field Unit Software

package

Overview of system architecture

System functionality – over view of key functions

• Full Pay As You Go functionality– Tokenless prepayment in the future enabling phone or internet based

vending

• Remote reconfiguration between credit and Pay As You Go mode• Customer budgeting information• Demand response

– Critical peak pricing– Time of Use pricing– In-home display

• On-line enquiries– Easier query resolution

• Load profiling– 15 minute interval data collected remotely

• “Last gasp” power outage notification• Compatibility with expected requirements of the OEB

AmpyManagement

System

CIS

Paystations

SalesTerminals /Call Centre

MeterShop

Billinginformation/

Readings

Meter Enquiries / PrepaySales Comms Link to Radio

Basestaion

InstallationJobs

Basestations

Monthly Billed CustomerDaily ReadingsLoad Profiles

Pay-as-you-go CustomerMeter Top-ups

Power Line Carrierto In-home unit

Meters installed using Field Unit Software

package

Overview of system architecture: point to multi-point

Point to Multi-Point Advantages

• For pay as you go applications, a single concentrator can control large geographic area of meters.– Long range communications -

• Lower number of concentrators • Lower number of backhaul connections• Many 1000s of meter controlled by one base station

– Does not require saturation installation of meters• Consistent with Pay As You Go being used for a

proportion of customer base• System can start working as soon as the first base station

is installed– Proven technology

• Used in UK metering trials (100,000 units)• Rolled out in car tracking (Lo-jack)

Point to Multi-Point

• How it works -– Uses Ultra Narrow Band Telemetry (gives better S/N

ratio)• Enables long range from low power, low cost

endpoints• Endpoint uses Very Narrow band radios• Base Station uses wideband radio

– Digital Signal Processing subdivides received signal into many narrow bands» Allows Base Station to receive many

transmissions at the same time– “Find a Friend” feature enables one hop to cope with

difficult sites

Assessment of typical installation

• Assumptions

• Base Station Antenna Height 10m (30ft.)• Meter Height 1.5 (3-4ft.)• Real world propagation study at SRP: on average, 3,800

meters controlled by each concentrator without load profiling

Meters/sq.mile

at meter location

Meters/sq mile

at Base Station location

Terrain type Max Radio

Range

>3000 AND >3000 URBAN 2 Miles

>3000 OR >3000 MIXED URBAN 3 Miles

>1000 OR >1000 SUBURBAN 4 Miles

<=1000 AND <=1000 RURAL 6 Miles

Woodstock Hydro coverage

Woodstock Hydro - Territory Coverage

Scale: Approx 4 miles

WoodstockHydro

Services

16 Graham St.

URBAN2 mile Range

Radio Performance

• Main Performance Criteria – – On demand read Performance

Success Time

90 % 20 seconds

99% 60 seconds

Radio Performance

– Prepay transaction

– Demand response

signalling

– Power outages

Coverage Time

99.9% Within 4 Hrs for full acknowledge

Outages Reported

Time

99% Within 120 seconds

Success Time

90 % 20 seconds

99.9% 600 seconds

Proposed Hardware Specifications

Modes of Operation

• Four Modes of Operation - – 2-Way Smart meter with remote disconnect/reconnect

• Meter fitted only

– 2-Way Smart meter,remote disconnect/reconnect and budgeting information to customer

• Meter and in-home display fitted

– Pay-as-you-go

• Meter and in-home display fitted

– Demand Response

• Meter and in-home display fitted

• No disconnection (meter can be reconfigured remotely)

Meter Specification

• Fitted with Radio Module and PLC as standard• Features –

– Internal Contactor– Load Profiling

• Stores 15, 30 or 60 minute profiles• Optional collection

– Outage Detection• Sends ‘Last Gasp’ on power loss• Optional

– Approval to FM 12S (network)

In-home display Specification

• In-home display fitted with ‘Traffic Light’ system to show tariff level– Tariff band can be switched between different preset

tariffs according to normal, peak or critical pricing• Global Broadcast message for tariff groups• Three lights on in-home display facia (green, amber,

red) show tariff level

Base Station

• Base Station Consists of –– Radio DSP Board– Single Board PC– Power Supply– Modem

• Weatherproof Housing• Antenna

– Omni directional antenna, length 3-4 ft– Height assumed to be 30 feet above ground

• Backhaul– Any broadband connection (GPRS, ADSL, landline,

fibre, etc.)

System specification

• New development will build on existing features of AMS software

• Either stand alone operation or integration with existing CIS

• Will work within the competitive market in Ontario as part of Woodstock’s development with Systrends

Summary

• New development offers highly featured system:– Pay As You Go, including tokenless– Demand response– On-line enquiries– Customer information inside the home– Compatibility with expected OEB requirements

• Architecture is simple– Suitable for both saturation and partial roll-out

• Initial roll-out with SRP• Available from late 2006