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Smart Metering Concepts and Trends in Germany EGATEC, Copenhagen, May 12 th /13 th , 2011 Manfred Hoppe, Peter Schley

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Page 1: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Metering Concepts and Trends in Germany EGATEC, Copenhagen, May 12th/13th, 2011

Manfred Hoppe, Peter Schley

Page 2: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Motivations for Smart Metering

Political Energy efficiency / CO2 reduction Pricing transparency / consumer protection

Energy suppliers Improvement of the billing process

New possibilities for customer service

and sales products . . . to bidirectional communication

From manual data reading . . .

Page 3: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Metering – Regulatory Framework in the EU/Germany

Customer is entitled to demand “smart meters” for metering electricity, gas, district heat, water and hot water consumption

EU Directive 2006/32/EU Art. 13

From 1 January 2010, obligation to use “smart meters” in new or

extensively renovated buildings German Energy Industry Act

Sec. 21b (3a) . . . or in existing metering

systems if requested by the customer

Sec. 21b (3b)

Right of customer:

energy suppliers are obligated to make out intra-year invoices if requested by the customer

German Energy Ind. Act Sec. 40 (2)

Obligation of energy suppliers:

tariffs depending on load/ time of day to be introduced

for electricity end users by 30 December 2010.

German Energy Ind. Act Sec. 40 (3)

Condition: if technically feasible and economically reasonable

Page 4: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

EU Directive Transposed into National Law (I) Sec. 21 of German Energy Industry Act:

From 1 January 2010, meters “....that reflect the final customer's actual energy consumption and that provide information on actual time of use”

Electricity meter

Gas meter

EDL 21 meter as minimum standard

- Meter with additional or integrated display showing consumption of preceding day / week / month in kWh

- No remote meter reading, but interface available

- Meter with additional or integrated display showing consumption of preceding day / week / month in m3

(kWh not necessary)

EDL 21 meter costs are accepted as operating expenses in the regulated market.

→ More specific requirements in position paper of Federal Network Agency

Page 5: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

EU Directive Transposed into National Law (II) Sec. 40 of German Energy Industry Act:

From 1 January 2010, suppliers are obligated to bill energy costs for periods not substantially exceeding twelve months. If the customer wishes, the supplier is obligated to invoice the customer on a monthly, quarterly or half-yearly basis.

→ Remote meter reading is an economically viable option for billing periods shorter than one year.

Remote billing

Smart meter

Solution: smart meters with remote meter reading EDL 40 meter

EDL 40 meter costs are not accepted as operating expenses in the regulated market.

Page 6: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Residential Gas Meters Type of meter Manufacturer Features

Diaphragm meter - Elster Kromschröder

- Itron

- Flonidan

- and others . . .

• Mechanical measurement principle • Reliable, low price • Current trend towards replacing mechanical by

electronic counters • Remote meter reading option

Thermal meter

- Diehl Gas Meter • Thermal mass flow measurement • MID-approved • Measurement principle dependent on gas

properties; only for H-gas • Acceptance currently limited

Ultrasonic meter

- Landis and Gyr

• Measurement of ultrasonic wave transit times • Costs still a disadvantage • May be competitive in smart metering

applications • Meters being launched

Page 7: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Metering System Overview

Metering

Data presentation options for customer Separate display

PC communication

Control center/ data acquisition &

management

Electricity (master)

Gas Water

Page 8: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Metering – Communication Concepts

M-bus (cable or wireless)

Webservice for

customers

Inhouse PC-communication Internet

Control center/ data acquisition &

management

GPRS

Data concentrator

Communication via power line

Alternatively

(e.g. at transformer

station)

GPRS

Page 9: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Meter Communication with Multi-Utility Controller

M-bus (cable or wireless)

Webservice for

customers

Separate display

PC communication Internet

Control center/ data acquisition &

management

GPRS

Data concentrator

Communication via power line

(e.g. at transformer

station)

Multi-utility controller (MUC)

Page 10: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Meter Communication with Multi-Utility Controller

GPRS

Multi-utility controller

(MUC)

M-bus wireless M-bus cable

Power line

Ethernet/ IP interface

Home network

Separate unit dedicated for meter data communication Connectivity for electricity, gas,

water und heat meters by M-bus cable or wireless WAN communication options

GPRS or power line IP interface for customer

applications Use of protocols selected for future

European standardisation

Page 11: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

10,000 Meter Pilot Project of E.ON Bavaria Web application

Select time period

Display consumption

(approx. 1,000 gas meters)

Page 12: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Experience from E.ON 10,000 Meter Pilot Project

Customer acceptance Over 90 % of the – voluntary - participants in the pilot project are

interested in the further use of the smart meter system Transparency of consumption and costs is the main focus and has higher

priority than potential energy savings Regarding consumers as a whole, only a minority is interested in smart

meter services, especially when additional costs are to be expected Privacy protection issue In Germany, energy consumption data are subject to privacy regulations;

thus encryption methods are necessary for data transfer and data processing EDL21 meter displays open to third parties must be protected, e.g. by PIN

code

Page 13: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Vision: The Intelligent Home as Part of a Future Smart Grid Webservice for

customers

Internet

Control center

Electrical appliance 1 Demand side

management

Communication gateway

Grid operator “virtual power

plant“

Decentralised electricity generation

(µCHP)

Gas grid Electricity grid

el. generation

El. consumption El. feed-in

Electrical appliance 2

Page 14: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Smart Metering: Conclusions

Standardisation is necessary and on the way according to EU mandate Country-specific conditions and regulations for the implementation of

smart metering will remain in Europe, influencing the cost / benefit relation Customers, energy suppliers, and grid operators are main stakeholders in

smart metering technology, each of them pursuing their own interests Potential benefits of smart metering gas are lower than benefits of smart

metering electricity Smart metering communication is the nucleus for future smart grid

communication

Page 15: Smart Metering Concepts and Trends in Germanymarcogaz.org/egatec2011/PS1/PS1B_Hoppe_Schley_egatec2011.pdf · Smart Metering Concepts and Trends in Germany ... Smart Meter Communication

Thank you for your attention