Submersible Solar Well Pumps | The Best Selection Online

Submersible Solar Well Pumps

If you are pumping from a well, we have solar pumps that can deliver from 1 gallon per minute to over 75 gpm. The smallest pumps, the low-power diaphragm pumps from Aquatec, SHURflo and SunPumps, operate from two 50- to 100-watt solar modules, depending on the head (vertical distance) they are pumping. They can pump 500 to 1000 gallons per day and lift water 200 feet. These pumps require service every 2 to 4 years.

Here is a great DIY Solar Water pumping installation video from Sunpumps which shows how to install a small diaphragm pump such as the Sunpumps SDS pump, Aquatec SWP pumps or the Shurflo 9300 pumps. The Aquatec and Sunpumsp both have pigtail wires coming from the top of the pump to connect power and requirews a splice kit. While the Shurflo 9300 has a cable plug kit to provide a water tught connection although it is important that the Cable plug kit is done correctly to ensure water tight seal to avoid water damage to pump.

 If you have a higher lift, need more water or want a pump that does not require service for 10 to 20 years, the Grundfos SQFlex solar well pump is a good choice. The SQFlex solar pump can lift water over 820 feet and can pump over 20,000 gallons per day at lower lifts. The SQFlex pump has great flexibility in the power source and can be powered by solar modules, a wind generator, a fuel powered generator, and inverter or the utility grid or a combination of several of these. 

Here is a video which describes the installation of a Grundfos system. The panels used in video are out of date but the general principles remain the same.

Larger, custom-designed solar powered pumping systems can be supplied The Solar Store. Contact us if your needs fall outside of the flow or lift specifications found in the following pages.

For installation tips and advice please see our FAQ page on Installing a Solar Well Pump.

Aquatec SWP Series Submersible Pumps

The Aquatec SWP-Series submersible pump is designed for off-grid locations for home and livestock water needs. It is a positive-displacement diaphragm pump, constructed with high-grade materials that are all safe for potable water usage. This product is made in the U.S.A.

The SWP-4000 provides max flow of 1.7gpm at 20 feet head with max lift of 240 feet. The SWP-6000 can provide 4.7 gpm at 20 feet head with max lift of 120 feet. The SWP-6000 requires a 6" casign and the SWP-4000 a 4" casing.

The pumps are designed to operate from a nominal 24 VDC PV array (72-cells in series), but can also be run with a 60-cell module. The pump requires about 110 W for nominal rated performance, but a larger array will produce the needed power in less light, extending the pumping time and volume delivered in the morning, afternoon, and on cloudy days.


Shurflo 9300 Solar Well Pumps

SHURflo's 9300 series solar water pump offers a solution to your remote water needs. It's rugged, durable and built to last. This pump delivers a steady 1.0 GPM operation at 100 PSI maximum at 230 feet (70.1 m) It incorporates a unique waterblocked cable connector that is impervious to water leakage and condensation problems preventing waterwicking. Great for applications in livestock watering, irrigation, ponds, islands, remote homes and cabins.


  • Long -life 24 VDC operation

  • For 4" wells or larger

  • Quick disconnect with "Watertite-Gland" Design Pat Pend

  • Corrosion-proof housing with stainless-steel fasteners

  • Runs dry without damage

  • 50 mesh stainless steel inlet screen

  • State of the art solid diaphragm

Grundfos SQFlex Solar Well Pumps

The Grundfos SQFlex family is an environmentally-friendly water supply system. SQFlex pumps are fitted with a permanent magnet motor which enables the efficient use of energy from a wide range of supply options. The pump system offers the perfect water supply solution in remote areas where water is scarce and the power supply is non-existent or unreliable.

Very flexible as to its energy supply and performance, the SQFlex system can be combined and adapted to any need according to the conditions on the installation site. A battery backup system can store the extra energy generated and take over when the primary energy source is not available.

SQFlex is more than just a pump – it's a complete system. Thanks to its built-in electronics, the pump is compatible with both DC and AC power supply without requiring an external inverter.

The complete range consists of eleven different pump sizes: Five helical rotor pumps for applications where a high head is required, and six centrifugal pumps for applications where a greater flow rate is necessary.


Being designed for continuous, as well as intermittent operation, the SQFlex system is especially suitable for water supply applications in remote locations, such as:

  • Villages, schools, hospitals, single-family houses, etc.

  • Farms

        - Watering cattle
        - Irrigation of fields and greenhouses

  • Game parks and game farms

        - Watering applications

  • Conservation areas

        - Surface water pumping
        - Floating pump installations for pumping water from ponds and lakes

Features and benefits

  • Renewable energy supply: solar panels or wind turbines

  • Built-in electronics, easy installation

  • Reliable water supply

  • Low operating costs

  • Dry-running protection

  • Built-in motor protection

  • High Efficiency

  • Maximum Power Point Tracking (MPPT)

  • Wide voltage range

  • Built-in sand shield

Please visit our Solar Water Pumping FAQ page for more helpful articles or feel free to contact us.

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