Solar water pumps — submersible, surface and booster PV pumping
Solar-powered water pumps for industrial water supply, borehole extraction, storage-tank filling and process water. Direct PV or hybrid, 0.5–250 kW, up to 500 m³/h and 250 m head.
- Submersible PV pumps for boreholes 50–400 m deep
- Surface centrifugal PV pumps for tanks, ponds and rivers
- Hybrid PV + grid + diesel with automatic transfer
- MPPT/VFD drives track PV output — no battery required for daytime supply
- Grundfos SQFlex, Lorentz, Franklin, Shakti, CRI, KSB, Wilo
Related solar pumping
Solar Water Pumps — frequently asked
How deep can a solar submersible pump go?
Commercial solar submersibles reach 400 m borehole depth. Typical industrial water-supply installations sit at 80–200 m with 4"–8" pumps delivering 5–120 m³/h. Deeper wells use multistage or line-shaft configurations.
Do solar water pumps work on cloudy days?
Yes, at reduced flow proportional to irradiance. MPPT controllers extract available PV power continuously; typical annual output is 70–85% of the sunny-day peak. Add a storage tank sized for 1–3 days of demand to smooth supply.
What size PV array do I need?
Rule of thumb: PV kWp ≈ 1.3 × pump kW rating for tropical/subtropical latitudes, 1.7× for temperate. A 15 kW borehole pump lifting 40 m³/h to 80 m needs ~20 kWp PV for 6–8 hours daily operation.
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