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Geoff Calder Advisor to the Ministry of Education and Vocational Training Case studies on the use of alternative energy with ICT.

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Presentation on theme: "Geoff Calder Advisor to the Ministry of Education and Vocational Training Case studies on the use of alternative energy with ICT."— Presentation transcript:

1 Geoff Calder Advisor to the Ministry of Education and Vocational Training Case studies on the use of alternative energy with ICT

2 Kasulu Folk Development College 1999 Kasulu Teachers College 2001 Mtabila Refugee Camp 2001 Ndala Teachers College 2007 Tandala Teachers College 2007 Kasulu Teachers College 2007 Kabanga Teachers College 2007 Case Studies

3 Kasulu Folk Development College 1999 Diesel generator powering computer class

4 4 Litres of diesel per hour Regular break downs Spikes and surges damaged computers Often no fuel or battery

5 Kasulu Teachers College 2001

6 Biogas supplementing diesel generator

7 Mtabila Refugee Camp 2001 Solar system for Internet Centre

8 Mtabila Refugee Camp Loading EquipmentQtyWattsHrs per dayTotal watt hrs Computers Printer Lights Switch Router Total17800

9 DescriptionQtyCostTotal Cost USD Solar panels (75w) 48354,00016,992,000 Batteries (2volt amp/hours) 24340,0008,160,000 Trace 48 volt inverter 14,000,000 Solar panel construction 6,000,000 Electrical installation 2,000,000 Total37,152,000 Specifications and cost

10 Thin Client Computers Thin client computers Tandala Teachers College 2007

11 Ndala Teachers College Ndala Teachers College 2007 Solar system for thin client computer network

12 Thin client network

13 Thin Client prototypes

14 Comparison Desk TopThin Client Energy120 Watts40 watts Voltage240v AC12v DC UPSRequiredNone required NoiseFansNone HeatVery little

15 Solar panels Solar charger control 120 A Generator Charger / Inverter Batteries Load controller 12 v lighting 12v DC Thin clients 240v AC Ndala - Tandala Modem Router Switches Servers Internet

16 DescriptionQtyWattsHrs /dayTotal watt hrs Printer Lights Switch Router Server Projector2672 Total2772 Ndala Teachers College AC circuit

17 EquipmentQtyWattsHrs/d ay Total watt hrs Thin client computers Scanner1151 Total4815 Ndala Teachers College DC circuit Total Watt/Hrs = 7587 W/h for 6 hours per day

18 QtyCostTotal Cost USD Solar panels (125w)16890,00014,240,000 Batteries (12v amp/hours) 12390,0004,680,000 Inverter/Charger11,6001,600,000 Charge controllers4400,0001,600,000 Electrical installation7,000,000 Total29,120,000

19 Kasulu Teachers College October 2007 Solar system moved from Mtabila

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22 Solar panels Solar charger control Kabanga hydro 75KW Charger / Inverter Batteries 240v lighting Thin clients 240v AC Kabanga Teacher College 2007 Modem Router Switches Servers 240v AC 12v DC

23 Solar panels Solar charger control 120 A Batteries Load controller 12 v lighting 12v DC Thin clients Total 12v circuit Servers Internet Data

24 Thank you


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