Get the latest from PREO Sign me up!

Knowledge Hub

Solar Water Pump Technology Roadmap

This document identifies a series of technology improvements for remote monitoring systems and brushless DC motors that, if adopted, could improve pump efficiency and performance. It also outlines recommendations for future research, including: connectivity, the impact of water quality on durability, quality assurance, and specific in-country barriers.

Link to Article…


Learning Paper: The Challenges of Testing Off-Grid Refrigerators

Since 2017, IMC Worldwide, Energy 4 Impact, and CLASP have been testing off-grid refrigerators submitted by global manufacturers to determine efficiency, reliability and design appropriateness for off-grid users.

This paper summarises some of the challenges faced during the field testing phase of the Global LEAP Off-Grid Refrigerator Competition, and how the team worked around them, ensuring the competition remained fair and relevant.

Link to Article…