ChacoSolar

Solar Pumps for the Chaco

Water is the most critical resource in the Chaco. Solar pumps deliver it reliably – no diesel, no grid connection, no running costs.

Why solar pumps are essential in the Chaco

Solar pump with controller – up to 20,000 litres per day

In the Chaco there is often no grid electricity and no affordable diesel supply. Yet water must be pumped – for livestock, irrigation, and household use. Diesel pumps are expensive to run and demand constant maintenance. Hand pumps are simply not enough for large herds.

Solar pumps solve this problem elegantly: the sun provides the energy, the pump moves the water. No operating costs, no fuel, no engine wear.

Typical configurations

Application Flow rate PV capacity Pumping head
Small estancia (50–200 head of cattle) 5,000–10,000 l/day 2–4 panels (1–2 kWp) up to 60 m
Medium estancia (200–1,000 head of cattle) 10,000–30,000 l/day 4–8 panels (2–4 kWp) up to 120 m
Large estancia / irrigation 30,000+ l/day 8+ panels (4+ kWp) up to 200+ m

The exact sizing depends on well depth, water demand, and distance to the tank. We survey and design every system individually.

Advantages over diesel pumps

Solar pump Diesel pump
Energy costs 0 USD / year 1,500–5,000 USD / year
Maintenance Minimal (check once a year) Oil change every 500 h, filters, wear parts
Lifespan 15–20+ years 5–10 years
Fuel logistics None Regular diesel deliveries required
Noise Silent Considerable
Automation Fully automatic Manual start/stop

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