N0. 2 2013 INTERNATIONAL MAGAZINE ON DISTRICT HEATING AND COOLING District heating in Germany DBDH - direct access to district heating technology www.dbdh.dk CONTENTS Focus District heating in Germany 4 The column 5 Making the most of waste 8 Beautiful Bamberg has a new attraction 10 Best practice in district heating 14 Energy turnaround in Germany 17 District heating in Germany including the legislative framework 22 The German district DEMAND MAGNA3 MAGNA3 is more than a pump. Its a circulator, a pump throttling valve and a heat energy meter, all in one reducing the need for separate pump throttling valves in the system. Offering over 150 different single and twin circulators for heating, cooling, GSHP systems and domestic hot w P _ 4 The column By Lars Gullev, Managing Director, VEKS, and Chairman of the board of DBDH Germany - A huge potential for further development of district heating In this edition of HOTCOOl we have put focus on district National legislative framework having an heating in Germany. Why? impact P _ 5 By Kim Brinck, Chief Consultant, Ramboll Making the most of waste New political winds are blowing across Europe. The aim is When evaluated from a materials and nutrients point of view, resource efficiency, but the means to this end are more however, many waste fractions do not contain an P _ 6 Making the most of waste Despite worldwide efforts to reduce our reliance on fossil fuels by developing alternative renewable energy production, the production of both power and district heating will in the coming 20 years continue to be broadly based on the use of fossil fuels, which is why P _ 7 As such, the Energy Tower is not only one of the most modern and energy efficient facilities for the utilisation of the energy resources in waste in Europe; the energy recovery is increased by 35 % as compared to the facilitys two old units, which are taken out of operation when the new unit P _ 8 focus District heating in Germany Beautiful Bamberg has a new attraction By Jesper With, Journalist New life is given to an old industrial complex near the city centre of UNESCO protected Bamberg in Germany. The old outer walls have been carefully restored and inside, elegantly designed fl P _ 9 This means that domestic hot water is prepared from fresh while the company still working on other parts, but they water at any time. This is a legislative requirement in Germany, succeeded. The whole 6-storey main building, where the textile since the delivery of drinking hot water in bu P _ 10 Best Practice in District Heating focus District heating in Germany Stadtwerke Flensburg has for more than 40 years been an icon of energy efficiency in Germany. Authors: Dipl.-Ing. Ilona Brandt, Stadtwerke Flensburg; Dipl.-Ing. Markus Zuhmann, Kamstrup. Edited by Gert Skriver, Kamstrup 2 P _ 11 [Note: Wolfgang Prinz, Director of Stadtwerke Flensburg, 4 February Integration of renewables 1981 in Bonn. Source: Der Spiegel, No. 16/1981: Fernwärme für die The German Energiewende (the national transition from halbe Republik.] nuclear power to renewable energy sources) is once more d P _ 12 Best Practice in District Heating The gas and steam turbine, which is planned to be commissioned this kind of consumption and thus to offer the customers a in 2016, will with a prospective efficiency of 92% once again fair and correct bill, the measuring method must be adequate. exceed P _ 13 follow. The long experiences with district heating and CHP have provided a solid foundation for a sound business case even in the difficult time of a global energy challenge. Stadtwerke Flensburg has adapted itself perfectly to the transitional period of integrating renewable sources and at P _ 14 focus District heating in Germany By Mario Meißner, Sales Representative District Heating, LOGSTOR Deutschland GmbH Energy turnaround in Germany - heat from straw in Emlichheim Niedersachsen, Germany Germany has decided to convert its energy power supply CHP on straw fundamentally. P _ 15 Straw is considered to be a CO2-neutral fuel, because the the combustion chamber it burns on special water-cooled grain absorbs during growth on the field the same amount of vibrating grid. The ash is conducted as wet ash from the boiler. CO2 from the atmosphere as it releases during com P _ 16 controlled extraction of process steam (14 bar). This steam is produced thereby and supported by bentonite suspention, transported through a steam line to the Emsland-Group plant. a pipe made of plastic, cast iron or steel is drawn on the withdrawal of the drill string. Another component P _ 17 focus From Euroheat & Powers publication Country by Country / 2013 Germany, Stephan Orita. Adapted by Kathrine Windahl, District heating in Germany District heating in Germany including the legislative framework A gradual shift from coal to natural gas in Combined Heat and Power (CHP) p P _ 18 District heating in Germany The overall cap for support within the Combined Heat and the scope of the ordinance. Customers that are connected Power category remains at 750 million euro per year (of which to the District Heating grid have the right to be supplied 150 million euro are ear P _ 19 Due to barriers within the framework, switching CHP plants electricity taxation, electricity grid fees and, in most cases, from fossil fuels to RES is, in many cases, not economically the EU Emissions Trading Scheme, which does not apply to viable. The exclusivity criterion of the act ha P _ 20 District heating in Germany Existing driving forces and / or opportunities that order to fulfil this potential, the framework needs to fit the favor an expansion of district heating circumstances. This holds especially true for DHC since high Stakeholders identify companies and the DHC P _ 21 efficiency technology. Whereas the details of this comparison are very complex and require an in-depth knowledge of German tenancy law, at its core District Heating as a readyto-use commercial heat delivery has to be benchmarked against operational costs for existing heating systems. This of P _ 22 From Euroheat & Powers publication Country by Country / 2013 Germany, Stephan Orita. Adapted by Kathrine Windahl, DBDH. focus District heating in Germany The German district heating market According to the Federal Statistical Office in Germany, Citizens served by District Heating Dist P _ 23 Climate conditions and energy use of buildings Number of heating degree days in 2011 For heating degree days, the heating limit is 15C and the indoor temperature 20C. There were 3,349 heating degree days in 2011 (the average of the heating degree days of the capital cities), the long-term av LA ws LAT NEW P _ 24 focus District heating in Germany CASE From Euroheat & Powers publication Country by Country / 2013 Germany, Stephan Orita. Adapted by Kathrine Windahl, DBDH. District heating showcase scheme DREWAG - Stadtwerke GmbH has been developing District delivery. A slower pace NEWSLATEST N ST TE LA S W NE ST TE LA S W NE P _ ATEST NEWS LATEST S TE LA WS NE ST TE LA WS NE 25 ST TE LA S W NE ST s LATEST NEWS LATE WSLATEST NEW NE ST TE LA S W NE ST TE LA S W ST NE LATE TEST NEWSNEW DBDH PERSON OF THE YEAR BOARD OF DIRECTORS NE&WS LATE T ES AT SL W NE ST TE LA S W NE DBDH MEM NEWSLATEST N ST TE LA S W NE ST TE LA S W NE P T NEWS LATEST _ ATES TEST NEWSLATES LA S W NE 26 ST TE LA S W NE ws LATEST NEWS LATEST WSLATEST NEW NE ST TE LA S W NE ST TE LA S W TEST NEWS LATEST NE NEWS LATE T ES AT SL W NE ST TE LA S W NE WS LATEST NEWS LATEST NEW members of dbdh Wicotec Kirkebjer NEWS LATEST NE SLATEST NEWS L W NE ST TE LA S W NE T ES AT SL W P _ ST NEWS LATEST NE S TE LA S W NE T ES 27 AT SL W NE ST TE LA S W NE T ES WS LATEST NEWSLAT LATEST NEWS S W NE T ES AT SL W NE ST TE LA S EST NEWSLATEST NEW NEW members of dbdh Saseco is a software development company specialising i P _ 28 MEM B ER COM P ANY P ROFI L E By Jesper With, journalist DESMI coolers in every room is removed, and costs and expenses become significantly removed. It can also be limited to quite few individual buildings or factories like at the Hanyang University in South Korea, where our NSL centrifug P _ 29 We can manage a flow of up to 4000 m3/h through our pumps. They have to be adapted to the characteristics of the flows Facts DESMI is a global company and is currently expanding its through the pipelines and we are very experienced in doing international involvement within District Heatin P _ 30 list of members Aalborg Engineering Phone +45 9631 3950 Fax +45 9631 3951 ae@aalborg-engineering.dk www.aalborg-engineering.com Dansk Energi Service Phone +45 7572 5311 Fax +45 7641 3954 ms@dansk-energi-service.dk www.dansk-energi-service.dk Monitoring and control for district heating ne P _ 31 isoplus Denmark Phone +45 6441 6109 Fax +45 6441 6159 iso@isoplus.dk www.isoplus.dk SK Forsyning Phone +45 8993 1000 Fax +45 8993 1001 energi@kamstrup.dk www.kamstrup.com SPX Flow Technology Phone +45 9966 1000 Fax +45 9966 1180 logstor@logstor.com www.logstor.com TVIS Heat transmissio Mediegruppen 1778 Your savings add up Comparison of CO2 emissions KTon 3.0 CO2 2.5 20% 0.51 2.0 1.5 1.0 25 52% 1.06 80% 2.00 Pipe pair Steel, trad. DN: 65 Serie 2 Pipe pair w. diff. Steel, conti DN: 65 Series 2 58% 1.44 TwinPipe Steel, trad. DN: 65 Series 2 Heat loss 10 48% 1.20 Twin