Updated on January 17, 2024


Created on August 18, 2018

GF1 Submersible Solar Pump

Upcoming Update

The GF1 submersible solar pump is a submersible water pump that is specifically tailored towards solving irrigation farming pumping requirements.

Developed By
  1. Graduate Farmer
Tested By
  • Graduate Farmer
Content Partners


Product Description

GF1 Submersible Solar Pump is a 12V/24V DC solar powered pump tailored for remote irrigation farming pump requirements. It was designed by Graduate Farmer to offer rural farmers a reliable, low-cost water pumping system that will enable them make better profit margins by increasing crop production during the dry season.

Target SDGs

SDG 2: Zero Hunger

SDG 7: Affordable and Clean Energy

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Community, Small and Medium-sized Enterprises

Distributors / Implementing Organizations

Online retail in Kenya or purchase through Graduate Farmer local offices and stores around Kenya.

Manufacturing/Building Method

Batch production done in India. Interview with representative

Intellectural Property Type


User Provision Model

Users can obtain the product from the Graduate Farmer website.

Distributions to Date Status

~50 Interview with representative

Design Specifications

Design Specifications:

Pump type Submersible solar powered
Required pressure 150 psi
Irrigation capacity 2 Acres
Power Battery and charge controller (Lasts 12 hours when fully charged)
Wiring 50m Electrical cable

Product Schematics

Technical Support

Provided by manufacturer

Replacement Components

Available for order from manufacturer.


25 years

Manufacturer Specified Performance Parameters

Performance targets:

  • Suitable for wells.
  • Anti-corrosion housing, stainless steel fasteners.
  • Can run dry for a short time when there is no water in the well.
  • The cost of operation and maintenance is negligible.
  • Useful for water pumping in remote areas without grid power.
  • Rugged and durable.
  • The solar pump is “direct current” which means you can use the pump directly with the solar panels without the battery and it starts working.

Vetted Performance Status

UnknownInterview with representative


No specified safety precautions.

Complementary Technical Systems

Graduate Farmer offers a wide range of solar powered devices for irrigation farming.

Academic Research and References

Agrawal, S., Jain, A., 2019, Sustainable deployment of solar irrigation pumps: Key determinants and strategies. Wiley Interdisciplinary Reviews: Energy and Environment, 8(2), e325.

Ali, B., 2018, Comparative assessment of the feasibility for solar irrigation pumps in Sudan. Renewable and Sustainable Energy Reviews, 81, pp. 413-420.

Hartung, H., Pluschke, L., 2018, The benefits and risks of solar-powered irrigation – a global overview. Food and Agriculture Organization of the United Nations and Deutsche Gesellschaft für Internationale Zusammenarbeit.

Lute, C., et al., 2019, A Method for Evaluating Unregulated Solar Irrigation Pumping Systems: Results and Observations. 2019 IEEE Global Humanitarian Technology Conference (GHTC), Seattle, WA, USA, 2019, pp. 1-8.

Schmitter, P., Kibret, K.S., Lefore, N., Barron, J., 2018, Suitability mapping framework for solar photovoltaic pumps for smallholder farmers in sub-Saharan Africa. Applied Geography, 94, pp. 41-57.

Compliance with regulations

Graduate Farmer Kenya products are designed in line with the Kenya Bureau of Standards (KEBS) regulations. Interview with representative

Other Information

A Youtube video demonstrating the working of the pump. Another Youtube video explaining how the pump works Online retail in Kenya Graduate Farmer Facebook Page Graduate Farmer Market place Design Specifications:

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