Experiences with ATES applications in Belgium Operational results and energy savings

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1 Experiences with ATES applications in Belgium Operational results and energy savings H.Hoes 1

2 Klik om ATES het opmaakprofiel system results van de Monitoring within Energy Demonstration Program to 30% of investment) on condition of measurement Flemish government supports innovative technologies (up campaign for three years Supported ATES systems within this program : KBC - bank (Leuven) KLINA - hospital (Brasschaat) Technology House office (Geel) ETAP office (Malle) Blairon - office (Turnhout) t Erdbezenhof greenhouse (Hoogstraten) St-Dimpna - hospital (Geel) 2

3 Klik om het opmaakprofiel ATES van de STORAGE of ENVIRONMENTAL HEAT & COLD!!! 3

4 Klik ATES om het projects opmaakprofiel van de (ETAP-KLINA-StDIMPNA) 4

5 ATES at ETAP Manufacturer Klik om het opmaakprofiel of lightning equipment van de modeltekst te Cooling of offices and light pavilion Total cooling with ATES Capacity = 570 kw Groundwater flowrate = 90 m 3 /h Well depth = 67 m ATES connected with ventilation system 5

6 ATES at ETAP 6

7 ATES at ETAP Klik om het opmaakprofiel van de /12/2004 1/01/ /01/ /01/ /02/ /02/ /03/ /03/2004 8/04/ /04/2004 6/05/ /05/2004 3/06/ /06/2004 1/07/ /07/ /07/ /08/ /08/2004 9/09/ /09/2004 7/10/ /10/2004 4/11/ /11/2004 2/12/ /12/2004 Temperature [ C] T cold well [ C] T warm well [ C]

8 ATES at ETAP Klik om het opmaakprofiel van de Klik 30 om het opmaakprofiel van de modeltekst te Tweede 20 niveau jan/03 feb/03 mrt/03 apr/03 mei/03 jun/03 jul/03 aug/03 sep/03 okt/03 nov/03 dec/03 jan/04 feb/04 mrt/04 apr/04 mei/04 jun/04 jul/04 aug/04 sep/04 okt/04 nov/04 dec/04 jan/05 feb/05 mrt/05 apr/05 mei/05 jun/05 jul/05 aug/05 sep/05 okt/05 nov/05 dec/05 Energy [MWh] Energy discharge - delivering cold [kwh] Energie charge - delivering heat [kwh] sep/05 jan/03 feb/03 mrt/03 apr/03 mei/03 jun/03 jul/03 aug/03 sep/03 okt/03 nov/03 dec/03 jan/04 feb/04 mrt/04 apr/04 mei/04 jun/04 jul/04 aug/04 sep/04 okt/04 nov/04 dec/04 jan/05 feb/05 mrt/05 apr/05 mei/05 jun/05 jul/05 aug/05 Electricity consumption [kwh] okt/05 nov/05 dec/ Electricity consumption - discharging Electricity consumption - charging jan/03 feb/03 mrt/03 apr/03 mei/03 jun/03 jul/03 aug/03 sep/03 okt/03 nov/03 dec/03 jan/04 feb/04 mrt/04 apr/04 mei/04 jun/04 jul/04 aug/04 sep/04 okt/04 nov/04 dec/04 jan/05 feb/05 mrt/05 apr/05 mei/05 jun/05 jul/05 aug/05 sep/05 okt/05 nov/05 dec/05 Energy [MWh] Energy discharge - delivering cold [kwh] Energie charge - delivering heat [kwh]

9 ATES at Klina New Klik hospital om het with opmaakprofiel a van de modeltekst te capacity of 400 beds Combination of reversible heat pumps with ATES Total cooling with ATES Capacity = 1250 kw Groundwater flowrate = 100 m 3 /h Well depth = 65 m 9

10 ATES at Klina AHU AHU Summer Zomerperiode Heat-exchanger Surgery Other aquifer 10

11 Klik om ATES het at opmaakprofiel Klina van de Summer period: system of the hospital. If necessary, Cold from the cold well is used to cool the water supplementary cooling can be produced by the Tweede reversible niveau heat pump. Spring/Autumn: Derde niveau air. The cold is stored in the cold well. Vijfde niveau Winter period: The cold well will be loaded by pre-heating the incoming air. Reversible heat pump is used for pre-heating the 11

12 ATES at Klina Heat Cold Klik om het opmaakprofiel van de modeltekst te Tweede niveau Derde niveau Vierde niveau Vijfde niveau 0 12 jan/03 feb/03 mrt/03 apr/03 mei/03 jun/03 jul/03 aug/03 sep/03 okt/03 nov/03 dec/03 jan/04 feb/04 mrt/04 apr/04 mei/04 jun/04 jul/04 aug/04 sep/04 okt/04 nov/04 dec/04 jan/05 feb/05 mrt/05 apr/05 mei/05 jun/05 jul/05 aug/05 sep/05 okt/05 nov/05 dec/05 Energy demand ventilation [kwh]

13 Klik ATES om het at opmaakprofiel Klina van de 100,0 Flow 90,0 Power , , ,0 50,0 40,0 30,0 Vierde 20,0 niveau 10,0 0, /08/04 00:00 01/08/04 18:00 02/08/04 12:00 03/08/04 06:00 04/08/04 00:00 04/08/04 18:30 05/08/04 12:30 06/08/04 06:30 07/08/04 00:30 07/08/04 18:30 08/08/04 12:30 09/08/04 06:30 10/08/04 00:30 10/08/04 18:30 11/08/04 12:30 12/08/04 06:30 13/08/04 00:30 13/08/04 18:30 14/08/04 12:30 15/08/04 06:30 16/08/04 00:30 16/08/04 18:30 17/08/04 12:30 18/08/04 06:30 19/08/04 00:30 19/08/04 18:30 20/08/04 12:30 21/08/04 06:30 22/08/04 00:30 22/08/04 18:30 23/08/04 12:30 24/08/04 06:30 25/08/04 00:30 25/08/04 18:30 26/08/04 12:30 27/08/04 06:30 28/08/04 00:30 28/08/04 18:30 29/08/04 12:30 30/08/04 06:30 31/08/04 00:30 31/08/04 18:30 [m3/h] [kw]

14 ATES at Klina 1200 ATES-charging cold 1100 ATES-discharging Derde 500 niveau 400 Vierde 300 niveau 200 Vijfde 100 niveau /01/05 13:30 26/01/05 11:30 04/02/05 07:30 13/02/05 03:30 21/02/05 23:30 02/03/05 20:00 11/03/05 16:30 20/03/05 12:30 29/03/05 09:30 07/04/05 05:30 16/04/05 02:30 24/04/05 22:30 03/05/05 18:30 12/05/05 15:00 21/05/05 11:00 30/05/05 07:00 08/06/05 03:00 17/06/05 00:00 25/06/05 20:00 04/07/05 16:00 13/07/05 12:00 22/07/05 08:00 31/07/05 08:30 09/08/05 04:30 18/08/05 00:30 26/08/05 20:30 04/09/05 16:30 13/09/05 12:30 22/09/05 08:30 01/10/05 04:30 10/10/05 01:00 18/10/05 21:00 27/10/05 17:30 05/11/05 15:30 14/11/05 11:30 23/11/05 08:00 Power [kw]

15 ATES at Klina energy deliverance (direct) 2500 condensor heat stored in warm well Energy amounts [MWh] evaporator cold Vierde 1000 niveau 500 energy deliverance (indirect) stored in cold well 0 ATES-warm to cold well ATES-cold to warm well Heat pump - cold deliverance Heat pump - heat deliverance 15

16 ATES at Klina Heat excesses Klik om het opmaakprofiel 395 van de cooling modeltekst te building MWh 1789 MWh Condensor heat cooling machine(s) cold balance MWh 456 MWh Evaporator cold Cold ATES 16

17 ATES at Klina 30,00 Temperature warm well 25,00 20,00 15,00 10,00 5,00 0,00 Temperature cold well 17 17/01/05 13:30 26/01/05 12:30 04/02/05 09:30 13/02/05 06:30 22/02/05 03:30 03/03/05 01:00 11/03/05 22:30 20/03/05 19:30 29/03/05 17:30 07/04/05 14:30 16/04/05 12:30 25/04/05 09:30 04/05/05 06:30 13/05/05 04:00 22/05/05 01:00 30/05/05 22:00 08/06/05 19:00 17/06/05 17:00 26/06/05 14:00 05/07/05 11:00 14/07/05 08:00 23/07/05 05:00 01/08/05 06:00 10/08/05 03:30 19/08/05 00:30 27/08/05 21:30 05/09/05 18:30 14/09/05 15:30 23/09/05 12:30 02/10/05 09:30 11/10/05 07:00 20/10/05 04:00 29/10/05 03:30 07/11/05 00:30 15/11/05 21:30 24/11/05 19:00 Temperature [ C]

18 ATES at Klina 250 Condensor 1 Evaporator 1 Elektricity 1 Condensor 2 Evaporator 2 Elektricity Tweede 150 niveau /02/2005 0:00 01/02/ :00 02/02/2005 4:00 02/02/ :00 03/02/2005 8:00 03/02/ :00 04/02/ :00 05/02/2005 2:00 05/02/ :00 06/02/2005 6:00 06/02/ :00 07/02/ :00 08/02/2005 0:00 08/02/ :00 09/02/2005 4:00 09/02/ :00 10/02/2005 8:00 10/02/ :00 11/02/ :00 12/02/2005 2:00 12/02/ :00 13/02/2005 6:00 13/02/ :00 14/02/ :00 15/02/2005 0:00 15/02/ :00 16/02/2005 4:00 16/02/ :00 17/02/2005 8:00 17/02/ :00 18/02/ :00 19/02/2005 2:00 19/02/ :00 20/02/2005 6:00 20/02/ :00 21/02/ :00 22/02/2005 0:00 22/02/ :00 23/02/2005 4:00 23/02/ :00 24/02/2005 8:00 24/02/ :00 25/02/ :00 26/02/2005 2:00 26/02/ :00 27/02/2005 6:00 27/02/ :00 28/02/ :00 Power [kw]

19 ATES at Klina Evaluation (AHU) total cool demand building = 1789 MWh ATES cooling (direct) = 1394 MWh (78 %) Heat pump cooling = 395 MWh (22 %) ATES cooling (hp) = 456 MWh (condensor cooling) SPF (ATES-COOL) = 31 Energy savings on cooling = 76% 19

20 ATES at Klina Evaluation (AHU) total heat demand AHU = 2841 MWh ATES heating (direct) = 534 MWh (19 %) Heat pump heating = 2307 MWh (81 %) ATES heating (hp) = 1885 MWh (evaporator heating) SPF (ATES-HEAT) = 8 Energy savings on heating = 69% 20

21 ATES at Klina Evaluation (AHU) reduction primary energy consumption : 3930 GJ/year primary energy savings : 85 % CO2 emission reduction : 207 ton/year CO2 emission reduced by 63 % global SPF heating : 5,5 global SPF cooling : 14,8 21

22 ATES at St-Dimpna Renovated Klik om het hospital opmaakprofiel with a capacity van de of modeltekst 300 beds te Combination of reversible heat pumps and cogeneration with ATES Total cooling with ATES Capacity = 900 kw Groundwater flowrate = 100 m 3 /h Well depth = 100 m 22

23 Klik ATES om het at opmaakprofiel St-Dimpna van de ventilation air (precooling or preheating) central cold water collector reversible heat pump central cold or warm water collector cogeneration unit cold well warm well 23

24 Klik ATES om het conclusions opmaakprofiel van de Huge savings on cooling (up to 90 %) Payback Klik om het times opmaakprofiel < 5 years van de modeltekst te Heat pumps improve overall system performance Very high COP Attention for cold charging process Aim for high primary temperature differences Give extra attention to the control system Interaction between HVAC / ATES ATES systems show good eco-logi/nomi-cal results, but keep it simple 24