Solar pump for water supply in Botswana

Solar irradiation: 6.1kWh/m²/d

Solar array: 1.5kW

Pump power: 1kW

Head: 65m, Flow: 2.8m³/h

Daily water flow: 14m³

Water flow annually: 9,125m³

Electricity output annually: 3,651kWh

Saved diesel annually: 0.91t

Saved standard coal annually: 514t

Emission-cut of CO2 annually: 1.20t

Emission-cut of SO2 annually: 0.84t

Emission-cut of NO2 annually: 0.42t