SEPEMO-Build SEasonal PErformance MOnitoring. Roger Nordman, SP Sveriges Tekniska Forskningsinstitut 13 November 2012 London

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1 SEPEMO-Build SEasnal PErfrmance MOnitring Rger Nrdman, SP Sveriges Tekniska Frskningsinstitut 13 Nvember 2012 Lndn

2 SEPEMO-Build prject aims Overcme barriers t a wider deplyment f heat pumps Rbust data f factrs influencing heat pumps seasnal perfrmance factr (SPF) Wider acceptance f heat pumps, and increased quality assurance f installatins

3 The imprtance that SPF delivers what is prmised Calculatin methd (SCOP, EN14825) SPF Field mnitring Hw did it g?, What culd be imprved? Dimensining (Adaptatin t building demands)

4 Mnitring sites

5 Mnitring, types f buildings

6 Different ways t shw results,

7 Detailed view,

8 Summary results EU RES threshld

9 Lessns learned frm the Etten Leur prject Eurpean Heat Pump City f the Year Award 2012 An example frm the Netherlands 14 december 2012 Onn Kleefkens

10 Lessns learned frm the Etten Leur prject EHPA City f the Year Award Intrductin t Etten Leur Type f huses Start f the prject Chices made Examples frm SEPEMO Hw t use SPF in Plicy and the markert Future develpments Reference: Witte, H.J.L., van Gelder, A.J. & Klep, P. A Very Large Distributed Grund Surce Heat Pump Prject Fr Dmestic Heating: Schenmakershek, Etten-Leur (The Netherlands). Published in: Prceedings Ecstck, the Tenth Internatinal Cnference n Thermal Energy Strage. May 31 June , the Richard Stcktn Cllege, New Jersey (USA). 10

11 Lessns learned frm the Etten Leur prject The Eurpean City f the Year Award: The trphy has been t that very city that has shwn the biggest effrt in integrating heat pumps int its energy infrastructure (measured as additinal heat pump installatins per inhabitants). The winner is selected by an expert jury frm the heat pump industry. 11

12 Lessns learned frm the Etten Leur prject The Jury reprt abut Etten Leur? "it actually is the best city example several types f buildings cnnected, n gas grid anymre, already first installatins in place since a lnger time with gd experience. Start small and then develp int larger areas." "it is the lng term plicy f a city cuncil where they based upn experience shw the curage t g n." 12

13 Etten Leur prject 13

14 Lessns learned frm the Etten Leur prject Intrductin t Etten Leur Etten Leur is lcated in the Suth West f Netherlands Energy Visin fcused n an all electric and energy-neutral develpment Frm the nset f the prject heat pumps are an integral part f this visin Etten-Leur is t achieve energy-neutral building fr new develpments by Schenmakershek as part f this ambitin is a new husing develpment, f abut 1400 huses 19 City Cuncils in Brabant signed in 2007 the Verklaring van Dussen n the reductin f CO2 emissins f 30%, 20% Renewables in

15 Lessns learned frm the Etten Leur prject Type f huses 15

16 Lessns learned frm the Etten Leur prject Start f the prject Frm the start f the prject the city cuncil has been deeply invlved. A research prject was started and tw cncepts fr grund surces were built. The Keen started in

17 Lessns learned frm the Etten Leur prject Chices made After the first pilt in De Keen it was decided t g n with heat pumps based n individual clsed lp grundsurces. The City Cuncil decided that it was: Mre cst effective, n large up frnt investments Cheaper t maintain Reliable Each huse wner had its wn surce The cnditins were established fr the design and implementatin f individual heat pump systems (typically cnsisting f units each) In the secnd phase was entered especially the feasibility f lng-term use f grund surce clsed lp heat pump technlgy was evaluated 17

18 Lessns learned frm the Etten Leur prject Chices made (prject bundary cnditins) Clear guidelines fr the implementatin f balanced ventilatin with heat recvery. Use f a heat pump fr space heating and dmestic ht water, that has a Quality label Nise emissins better than 45 db COP fr space heating at least 4.9 at design cnditins, at least 2.1 fr DHW prductin Free cling ptin standard, including cntrl system t prevent cndensatin n the flr Brehle Heat Exchanger designed and cnstructed accrding t the 2DEN Quality Guideline Average fluid temperature shuld nt drp belw 0 C. At least between 50-60% f the heating demand f the huse needs t be recharged t the grund, in practice this means there will virtually be a seasnal thermal energy balance in the grund. T ensure that the individual prjects cmply with the requirements a certificate based n a qualitative checklist has been develped. 18

19 Lessns learned frm the Etten Leur prject Results Prjects were built in Schenmakershek by different prject develpers using varius types f heat pumps 19

20 Lessns learned frm the Etten Leur prject Results Heat pump data and temperature design limits 20

21 Lessns learned frm the Etten Leur prject Results Change in temperature after 5 years f simulatin, energy use prfile terraced huse type with 0% recharge lad (6.84 MWh heating, 0 MWh recharge lad). 21

22 Lessns learned frm the Etten Leur prject Results Effect f grundwater flw, temperature difference between simulatin with and withut grundwater flw. Energy use prfile detached, 50% recharge. 22

23 Lessns learned frm the Etten Leur prject Lessns learned T successfully realize such a large scale, high density grund surce heat pump prject, it is paramunt t pay special attentin t the feasibility, perfrmance, lng-term sustainability and installatin quality. The cnditins fr the design and implementatin f individual heat pump systems (typically cnsisting f units each) within the ttal plan prject needs t be well defined. 23

24 Examples frm SEPEMO: Ypenburg De Brn Lw Energy buildings: Individual ITHO heat pumps at Ypenburg De Brn Servicing and perfrmance guarantee by manufacturer 264 heat pumps mnitred 24

25 Examples frm SEPEMO: De Tas te Biddinghuizen Lw Energy buildings Individual heat pumps by ITHO at De Tas te Biddinghuizen Number f units mnitred: 54 25

26 Examples frm SEPEMO: analyses Cnclusins Grund surces: After three full seasns with relatively cld winters shws in practice a far better result can be fund than expected in thery and calculatin with EED-prgram. Behaviur: The energy use f the end user varies largely. SPF is nt much influenced fr space heating and nt fr DHW if the cntrl strategy is ptimized. Thermstat setting: ften 2 degrees higher than in calculatin mdels resulting in15% higher energy use per degree thermstat setting. The use f DHW is increasing and strage capacities are in sme cases at their limits. Overall cnclusin calculatin mdels (in NL ISSO 51) have t updated. 26

27 Mntring analyses End user behaviur as mnitred under SEPEMO: 27

28 Hw t use SPF in plicy and the market? The SEPEMO prject gives directins fr the rad freward: Plicy measurements Market develpments Fcus is ften n technlgy and installatin. Mre is needed as we fund under SEPEMO! Quality f building envelpe End user behaviur Quality f Grund surces 28

29 Hw t use SPF in plicy and the market? Gd perfrmance f systems can be guaranteed, starting frm design twards installatin and maintenance. Updating calculatin mdels (ISSO 51) Updating existing installatin guide lines fr heat pumps (ISSO 98 fr air surce hp s has already taken up the SPF methdlgy accrding t SEPEMO) Training prgrams fr installer certificatin are based upn ISSO Stimulate and cmmunicate this t the market end users 29

30 Hw t use SPF in plicy and the market? Quality f building envelpe is imprtant: 30

31 Hw t use SPF in plicy and the market? Natinal legislatin n grund surces Parliament has asked fr a legislative act n minimum efficiency requirements in the permit fr grund surces fr heat pumps n rder t ptimally use the ptential. Legislative actin: Mandatry certificatin n design, installatin and maintenance f pen surces and fr design and installatin nly fr clsed surces Permits based upn life cycle mdels (EED) Permits based upn SPF 0 (shuld be >..). As the level f perfrmance requirements are still unknwn these are nw mnitred is line with SEPEMO methdlgy. 31

32 Hw t use SPF in plicy and the market? It is getting busy in the undergrund! 32

33 Hw t use SPF in plicy and the market? Gd maintenance f heat pump systems withut mnitring is impssible Market respnse twards cmpetitive perfrmance New technlgy is cmpeting with a well established technlgy thus the prf f success is in the perfrmance. Bad examples are highlighted in the press (De Teuge) Heat pump manufacturers are installing mnitring equipment: Shw the perfrmance f their systems Prevent failures during peratin Give guarantee n maintenance Dutch cmpanies have since febr 2011 installed mre than 5000 systems with mnitring equipment. Imprtant t relate t smart grid develpments 33

34 Lessns learned frm the Etten Leur prject Lessns learned Key factr is that the City Cuncil f Etten Leur tk the final respnsibility fr the end result f the prject and did set the strict bundary cnditins in rder t achieve this Imprtant is a clear cmmunicatin t the end users, wners f the huses, n what t expect. 34

35 Lessns learned frm the Etten Leur prject Cnclusins Etten Leur has nw set the basis fr energy neutral cncepts n a large scale by creating an all electric envirnment based upn heat pumps. The next phase will be the erectin f a set f wind turbines near the city at Merdijk, as integral part f the verall prject. 35

36 Lessns learned frm the Etten Leur prject When clear gals are set an envirnmentally friendly and sustainable use f the grundsurces can be made fr heating and cling even fr very large scale prjects. 36