1. IT IS PROFITABLE TO COOPERATE WITH THE NATURE www.malmberg.se ISA Stockholm 2009-03-20

2. Peter Bäckström Business Area Manager GeoEnergy Malmberg Water AB ISA Stockholm 2009-03-20

3. Natural solutions taking care of man and the environment Why Malmberg?

4. water treatment drilling waste management biogas geoenergy 140 years with focus on water

5. Biogas for green electric power

6. heating-/cooling plants with energy storage heat pump systems 30 years of experience Malmberg standard Sustainable energy geoenergy

7. Vällingby Centrum

8. Client - Svenska Bostäder AB City modernization project 300 million EUR 185 000 m 2 total area Sustainable, low carbon energy Replaces / completes district heating Cooling demand design criteria Vällingby Centrum Media central heating/cooling

9. Large scale rock storage Media central heating/cooling

10. Vällingby Centrum Centre of Chemistry in Lund Benchmarked media central

11. 153 bore holes, depth 230 m

12. Turnkey contract 1.8 MW cooling / 1.75 MW heat Investment 4,5 million EUR incl. the rock storage Installation period 18 months 153 bore holes, 230 m deep Free cooling 1.2 MW Centre of Chemistry in Lund Reference Centre of Chemistry in Lund Media central heating/cooling

13. Vällingby Centrum New car parking on top of the rock storage

14. Vällingby Centrum Plenty of space ?

15. Vällingby Centrum Crane for heavy components