A useful two page summary of the event is now available here.   Other presentations included: 

• Thomson Reuters discussing how they are reducing power consumption across their 20 company data centres
• The impact of the CRC, Carbon Reduction Commitment legislation
• Analysis of data centre efficiency including calculation of the PUE, Power Usage Efficiency, the recognised measure for operational efficiency (and also the various interpretations thereof)!
• The impact of virtualisation on power use offering great potential but also the risks involved were also reviewed, especially in breaking the link between hardware and application