Sola lar Ther ermal H Heat atin ing & &Cooling ing and and B Buil ildin ings Experiences, Chances, Hurdles Christian an H Holt lter S.O.L .L.I .I.D .D. G . GmbH
S.O.L.I. .L.I.D. A D. Activities Large solar thermal systems (>500m²) Project Development • Reasonable approved concepts • Master engineering- system KH • Construction supervision • Operation and Maintenance • Project Financing (ESCo) • Research & development • Consulting, Training •
S.O.L.I. .L.I.D. G D. Group up Headquarter in Graz, Austria Partners in many other countries Subsidiaries in USA & Singapore Recent reference plants around the world SOLID Office KFU Graz KVK Körner FW Berger SDH Graz Graz, Austria Phoenix, AZ Pristina Harvard CGD Qingdao PepsiCo DOC SZDLC, Al-Ain Lanta DMHS DigiCel Hyatt Hyatt UWC Singapore Office Partners Solar Cooling Heating
Techn hnic ical S Solutio tions b by S SOLID DOME OMESTIC HO HOT W WATER HEAT STORAGE SPACE H HEATING NG SOLAR YIELD PROCESS SS GREEN HEAT AT Factory SOLAR R COOL OOLING COLD WATER THERMAL DRIVEN COOLING DI DISTR TRICT T HEATI TING PROCESS CONDITIONED AIR COOLING LOAD
Background • Peak Demand on cooling meets solar Peak • Cooling creates expensive peak demand • Cooling is the biggest single user of electricity in buildings Large Office Buidling Large Hotel Medium Size Hospital 1% 13% 20% Air Conditioning 49% 39% Air Conditioning 54% Air Conditioning 29% Lighting Lighting Lighting Laundry Laundry Office equipment 1% 15% Other Other 37% Other 14% 8% Hot w ater Hot w ater 2% 18%
Why s y solar a air cond nditioni oning ng ? ? • Electric Energy Savings – Electric COP Solar Cooling System incl. recooling ~10-40 – Electric COP Compression Chiller Syst. incl. recooling ~2-6 reduced electric consumption by 70-80% • More stable energy expenses • CFC Free Chillers – No Ozone Depleting Potential • LEED certification - up to 10 additional points possible • Quiet operation – no vibrations • Reliable operations – no wear and tear on pistons or screws as there are no such stressed parts
Office b buildin ing - EAR EAR Tower Pris r Pristin ina, Kosovo 2 LiBr absorption machines, total capacity of 70 kW / 20 tons Solar Panels: 226 m² 4 m³ storage tank Operating since Feb. 2003 13th op h opera rating s season on, 0 0% % unfore oreseen d down time
Solar c cooling - Digic igicel, K , Kingston, n, Jam amaic aica Office space: 13,685 m² Solar Panels: 982 m² / 680 kW Single stage LiBr chiller: 600 kW Hot storage: 2 x 5.5 m³ 492 MWh cooling energy per year In operation since 2012 Realised in partnership with RED, Jamaica Energ rgy G Globe A Award 2 2014
Sheik ik Zayed Dese sert L Learning g Cen enter er (UAE/A E/Al Ain Ain) Solar Cooling via concrete core activation of a desert museum Cooling power: 400 kW Collector area: 1108 m 2 Expected Solar yield: 825 kWh/m 2 /year Commissioning: 2012
UWC WC Tampine nes, S , Singapor pore Solar Cooling & Hot Water for School Campus Solar Panels: 3900 m² / 2.73 MW LiBr absorption chiller: 1470 kW Operation started: 2011 Enlargement actually under discussion World orld‘s m mos ost p powerfu ful So Solar Co Cooling Sy System until 20 2013 3
UWC WC Tampine nes, S , Singapor pore Live visualization: http://www.uwc.heizwerk.at/?email=frei&pw=frei
Managu Man agua H a Hospit ital al, N Nic icarag aragua Almost c completed Collector area: 4,450 m² • Cooling load: ~1023 kW = • 291 RT Peak heat power: 2600 kW • Annual solar production: • ~3 GWh heat Yearly energy savings: • • 140 tons of gas, • 435 MWh electricity, • 500 kW of connected load
IKE IKEA; S Sing ngapur • Solar Cooling System IKEA Singapur, Alexandra Road. • Under construction now • 2600 m² solar collectors • 900 kW cooling
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