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Solar Powered Water Systems in Humanitarian Context – Types and Configurations
Wednesday, 25 Nov at 11:00 am CET
David Githiri: Technical Coordinator
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SCOPE
# of water schemes:174
# of Solar/Solar Hybrids: 164
# of Grid/Fuel : 5
# of Fuel:5
Daily Average Production September
2020: 13,939 m3
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Key drivers to wider adoption
• Cost Analysis - LCCA
• Solar Pumping Market Place
• Environmental Considerations
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Source: https://www.ace-taf.org/wp-content/uploads/2019/10/ACE-TAF-UGANDA-SOLAR-WATER-PUMPING-REPORT-SCREEN-1.pdf
Cost comparison between solar PV and diesel pumps
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Solar Pumping Market Place
Technical Capacity
Policy & Regulatory Framework
Products
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Environmental Consideration
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Environmental Consideration
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Solar Powered Pumping Scheme Chain in Humanitarian Setting
Operation & Maintenance
Implementation/ Installation
Procurement/ Manufacturing and System Integration
Financing/ Investment Options
Solar Pumping System
Software/Hardware Design
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Performance
BH: 60m3/hr
Pump installed:
40m3/hr
Solar Array: 41.8 KW
Max Output: 266
m3/day
Avg Output:
259m3/day
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Performance
BH: 45m3/hr
Pump installed:
30m3/hr
Solar Array: 30KW
Max Output: 284
m3/day
Avg Output: 202
m3/day
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Performance
Pump installed:
6.05m3/hr
Solar Array: 17.9KW
Max Output: 49m3/day
Min Output: 42.1
m3/day
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Opportunities for GrowthRisk Mitigation
Solar irradiation during the rainy
seasons
Complement with rainwater harvesting and
HH water treatment
Low technical Capacity to monitor
performance effectively
Remote monitoring/IoT technologies
Over design/under-design: Inadequate
data for optimized design
Agility and Optimization of systems based
on analytics: Data collected…
Long Investment Payback Periods:
Economics in rural areas
System Integration: drinking water pumping
+ Irrigation pumping+ Lighting+ Charging
electronics+++ ( leverage on CAPEX costs)
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