Geoff Calder

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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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Case Studies

• 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

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Kasulu Folk Development College 1999
Diesel generator powering computer class
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• 4 Litres of diesel per hour
• Regular break downs
• Spikes and surges damaged computers
• Often no fuel or battery

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Kasulu Teachers College 2001
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Kasulu Teachers College 2001
Biogas supplementing diesel generator
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Mtabila Refugee Camp 2001
Solar system for Internet Centre
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Mtabila Refugee Camp

• Loading

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Specifications and cost
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Tandala Teachers College 2007
Thin Client Computers
Thin client computers
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Ndala Teachers College 2007
Ndala Teachers College
Solar system for thin client computer network
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Thin client network
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Thin Client prototypes
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Comparison
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Ndala - Tandala
12 v lighting
Solar panels
Solar charger control 120 A
12v DC
Batteries
Thin clients
Load controller
Charger / Inverter
240v AC
Modem Router Switches Servers
Generator
Internet
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Ndala Teachers College AC circuit
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Ndala Teachers College DC circuit
Total Watt/Hrs 2772 4815 7587 W/h for 6
hours per day
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(No Transcript)
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Kasulu Teachers College October 2007
Solar system moved from Mtabila
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(No Transcript)
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(No Transcript)
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Kabanga Teacher College 2007
Solar panels
240v lighting
Solar charger control
Charger / Inverter
12v DC
Thin clients
240v AC
Batteries
240v AC
Modem Router Switches Servers
Kabanga hydro 75KW
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Total 12v circuit
12 v lighting
Solar panels
Solar charger control 120 A
12v DC
Batteries
Thin clients
Load controller
Servers
Data
Internet
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Thank yougeoff_at_caldertowers.com