Solar Cooling in Buildings – scalable technology for India

DAPG Indienforum 2009 Mobilität – Energie – EffizienzBel Etage Schokoladenmuseum, Cologne, Germany, 13.05.2009

Dr. Uli JakobSolarNext AG

clean energy for you

(Source: Meteonorm (Data), Friedemann Jung)

Average Annual Global Irradiation for the World [kWh/m²a]clean energy for you

(Source: TERI)

• Annual Global Radiation Varies from 1,600 to 2,200 kWh/m²a

Solar Irradiation on Indiaclean energy for you

(Source: AEE Intec)

ity (M

• 350 MW Solar Thermal Capacity Corrpsond to 500,000 m² Collector Area• Total Installed Area in India up to 2007 is 2.15 million m² (1.5 GW)

Annual Rate of Installed Solar Thermal Capacity in Indiaclean energy for you

Simultaneity

Global radiation

Cooling load

Heating load

Solar surplus supply in summer

Solar Cooling – Simultaneity of Solar Radiation and Cooling Demandclean energy for you

SolarNext Technology -Clean Energy for Air-Conditioning

• Solar Cooling • Solar Heating• Solar Domestic Hot Water (DHW)• Solar Pool Heating

All in one System!

The Application of Solar Cooling in a Building (Installation Principle)clean energy for you

Thermally Driven Absorption or Adsorption Chiller

Electrically Driven Compression Chiller

Heating capacity QH(solar collector)

Re-cooling capacity QC(cooling tower)

Cooling capacity QO(fan coils / cold ceilings)

Re-cooling capacity QC(cooling tower)

Cooling capacity QO(fan coils / cold ceilings)

Electrical input Pel

Schematic Cooling Processesclean energy for you

USA 16China 26.8

Central/Southamerica

Japan 8.0

East Asia 7.4

Australia 1.0

India 3.8

MiddleEast 4.0

Europe 8.6

Africa 1.5

World total 2008: 82.3 million units

Estimated RAC/PAC Market Size in 2008 (units: million)Air-Conditioning Split-Units up to 5 kW (1.4 RT)

Source: JARN

Market Situation of Conventional Air-Conditioning Worldwide in 2008clean energy for you

2004 2006 2007 2008

(Source: Climasol) (Source: H.M. Henning) (Source: Rococo) (Source: Tecsol)

Market Potential Solar Cooling in Europeclean energy for you

Air-Conditioning

- Residential Homes

- Multi-family Homes

- Office Buildings

- Banks

- Hotels

- Small Super Markets

- Bakeries

Process Cooling

- Bakeries

- Butcheries

- Milk

- Wine

- Fish

- Biogas

- Galvanic Baths

Applications of Solar Cooling Systemsclean energy for you

Broad Carrier

Thermax McQuay

Shuangliang

Large-Scale Water / Lithium Bromide Absorption Chillersclean energy for you

chillii® ACC50 - 500Ammonia / Water

Source: Yazaki

Yazaki WFC 10 - 30 chillii® ESC15 - 200Water / Lithium Bromide

Source: EAWSource: AGO

chillii® ESC15, 30, 54, 150, 200 chillii® ACC50, 100, 200, 500

Source: AGOSolarNext chillii® Solar Cooling Systems (15 - 500 kW)

Sourece: Albring

Mayekawa, Japan (50-350 kW)

Source: Fraunhofer ISE

Nishiyodo, Japan (70-500 kW)

Medium-Scale Water / Silica Gel Adsorption Chillersclean energy for you

Source : LfU Source: SolarNext Source : GBU

(1999)

H2O/Silica Gel Nishiyodo NAK 100/350in Augsburg, Germany for Space Cooling and Cold Production for the Laboratories

2,000 m² Flat Plate Collectors and District Heating Network Back-up6,000 m³ Gravel-Water Aquifer Storage247 kW Cooling Capacity686 kW Wet Cooling Tower Capacity

Solar Cooling System at Bayrisches Landesamt für Umweltschutz, Augsburg, Germanyclean energy for you

Sources: TECSOL

(1991)

H2O/LiBr Yazaki WFC-SC 15 in Banyuls for Wine Cooling

130 m² Vacuum Tube Collectors1.000 l Hot Water Storage52 kW Cooling Capacity180 kW Wet Cooling Tower Capacity

Solar Cooling of a Winery, Banyuls, Franceclean energy for you

Source: InvenSor

chillii® ISC7 & ISC10Water / Zeolith

chillii® ISC7 / ISC10

Source: SorTech

chillii® STC8 / STC15

Source: Pink

chillii® PSC12Ammonia / Water

chillii® PSC12

Source: Yazaki

chillii® WFC18Water / Lithium Bromide

chillii® WFC18

chillii® STC8 & STC15Water / Silica Gel

SolarNext chillii® Thermal/ Solar Cooling Kits (7, 7.5, 10, 12, 15, 17.5 kW)clean energy for you

Source: SolarNext

chillii® System Controller Developmentclean energy for you

chillii® Cooling Kit PSC12

+ chillii® PSC12 absorption chiller+ chillii® System Controller HC+ Wet cooling tower+ Hot water pump with IF-Module+ Recooling pump with IF-Module + Mixing valve with actuators+ Frequency converter+ Magnetic valves and swimming valve

chillii® Cooling Kit PSC12clean energy for you

chillii® Cooling Kit ISC10

+ chillii® ISC10 Adsorption chiller+ chillii® System Controller HC + Dry cooling tower (with sprinkling system)+ Hot water pump with IF-Module+ Recooling pump with IF-Module + Mixing valve with actuators+ Expansion tank+ Security valve with manometer

chillii® Cooling Kit ISC10clean energy for you

Sources: SolarNextSource: Brinkmöller

(2008)

H2O/Silica gel chillii® STC8 in Wiesloch, Germany for Space Cooling

40 m² Flat Plate Collectors and Oil Burner Back-up2,000 l Hot Water Storage7.5 kW Cooling Capacity22 kW Dry Cooler Capacity (with Water Spraying)

chillii® Cooling Kit STC 8 at Residential Building, Wiesloch, Germanyclean energy for you

Sources: SolarNext Source: Pink

chillii® Solar Cooling Kit PSC 10 at Retirement Home, Kalkara, Malta

(2008)

NH3/H2O chillii® PSC10 in Kalkara, Malta for Space Cooling

38 m² Flat Plate Collectors1,000 l Hot Water Storage and 1,000 l Cold Water Storage10 kW Cooling Capacity 27 kW Ground Water Cooling Capacity (ca. 21 °C), sweet/salt water

Sources: SolarNext

(2008)

NH3/H2O chillii® PSC10 (2x)in Miesbach, Germany for Office Space Cooling

100 m² Flat Plate Collectors & Gas Burner Back-up7,500 l Hot Water Storage and 2,000 l Cold Water Storage20 kW Cooling Capacity48 kW Wet Cooling Tower Capacity

chillii® Cooling Kits PSC 10 at the Raiffeisenbank Miesbach, Germanyclean energy for you

chillii® Cooling Kits STC 8 at the Office Building Kreuzroither, Schörfling a.A., Austria

Sources: SolarNext

(2008)

H2O/Silica gel chillii® STC8 (2x) in Schörfling a.A., Austria for Office space Cooling

162 m² Façade Collectors and Gas Burner Back-up15,000 l Hot Water Storage and 1,500 l Cold Water Storage15 kW Cooling Capacity45 kW Dry Cooler Capacity (with Water Spraying)

chillii® Cooling Kit ISC10 at the Milk Factory, Wyong, Australia

Sources: Urban Energy

(2009)

H2O/Zeolith chillii® ISC10 in Wyong, Australia for Space Cooling (Coffee Shop)

34.8 m² Vacuum Tube Collectors1,500 l Hot Water Storage and 500 l Cold Water Storage10 kW Cooling Capacity30 kW Dry Cooler Capacity (with Water Spraying)

Sources: CRA-VIV

chillii® Cooling Kit STC8 at Greenhouse, Pescia, Italy

(2008)

H2O/Silica gel chillii® STC8 in Pescia, Italy for Cooling of a Greenhouse

19 m² Vacuum Tube Collectors1,500 l Hot Water Storage, 1,000 l Cold Water Storage7.5 kW Cooling Capacity22 kW Dry Cooler Capacity (with Water Spraying)

Specific Costs of Low Capacity Solar Cooling Systems

7.5 10.0 12.0 15.0 17.5 35.0

cooling capacity [kW]

chillii® Cooling Kit Solar Cooling Kit

Without Installation Costs and Cold Distribution

Source: SolarNext

Specific System Costs of chillii® Cooling Kits and Solar Cooling Kits (2009)clean energy for you

- Large and Medium-Scale Absorption and Adsorption Chillers are available since several years and used for Custom-Made Systems

- First Small-Scale Thermal/ Solar Cooling Kits are on the Market

- First Solar/ Thermal Cooling Associations Founded (Green Chiller, ausSCIG)

- Specific Collector Surface of the chillii® Solar Cooling Kits is 4.5 m²/kW (Average Value of Market Available Solar Cooling Kits in Europe is 4.2 m²/kW)

- Specific Costs of Solar Cooling Kits in Europe(*):- 5,000 to 8,000 EUR/kW in 2007 - 4,000 to 4,500 EUR/kW in 2008- 3,500 to 4,500 EUR/kW in 2009

(*) The solar cooling Kit consist of solar thermal collectors, hot water storage, pump-set, chiller, re-cooler, partly cold water storage and system controller. The specific costs are without cold distribution and installation costs.

Conclusionclean energy for you

Thank you.

Dr. Uli JakobSolarNext AG

www.solarnext.dewww.greenchiller.de

Solar Cooling in Buildings – scalable technology for India

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