1. BENEFITTING FROM GREEN IT – FINDINGS FROM THE SUSTEIT PROJECT Professor Peter James www.susteit.org.uk

2. THE CASE FOR CHANGE Sticks - Energy and other costs - Regulations Carrots - financial and operational benefits - teaching and research Reputation Stakeholder requirements

3. BACK TO THE DATA CENTRE? Cloud computing - Google apps - e-readers and ‘total content’ Shared services Thin client Intelligent campus - from computer to building maintenance? Zero carbon data centres

4. FOOTPRINTING RESULTS University of Sheffield University of Sheffield (ex HPC) Lowestoft College City College Norwich Total Electricity (kWh) 8,680,806 (100%)7,472,188 (100%)453,714 (100%) 1,241,700 (100%) PCs and monitors 4,164,477 (48%)4,164,477 (56%)197,402 (44%)510,896 (41%) Servers1,520,736 (18%)1,520,736 (20%)135,999 (30%)226,665 (18%) HPC1,208,617 (14%)000 Imaging835,659 (10%)835,659 (11%)42,171 (9%)236,901 (19%) Networks687,362 (8%)687,362 (9%)68,538 (15%)156,629 (13%) AV/Telephony3%4%3%8%

5. A LARGE FOOTPRINT Materials Manufacture Transport Use Disposal

6. Server Load/ Computing Operations Cooling Equipment Power Conversion & Distribution Alternative Energy Supply High voltage distribution Use of DC power Highly efficient UPS systems Efficient redundancy strategies Power efficiency & management Load management Consolidation/Virtualisation Better air management Free/efficient cooling Efficient liquid cooling Flexibility and control On-site renewables Waste heat for cooling Fuel cells Thermal storage ENERGY EFFICIENCY MEASURES Adapted from US EPA original

7. CARDIFF UNIVERSITY Low power servers Chilled water cooling Efficient layout Efficient UPS 30% support overhead