
About
S4S Technologies equips smallholder women farmers in India with solar-powered conduction dryers and food processing tools, enabling them to preserve surplus crops on-site.
S4S connects farmers directly to commercial buyers, ensuring fair profits and creating nutrient-dense, preservative-free food products with a low carbon footprint. , these farmers save resources and increase their income by 9–15%.
Project Focus
Shell Foundation is supporting S4S to help these women farmers strengthen their businesses with reduced losses and market linkages and establish others as micro-entrepreneurs able to run the dehydrators as standalone enterprises. S4S Technologies won the 2023 Earthshot Prize.
Latest news and updates

Lessons learned from addressing the sustainable cooling challenge
For smallholder farmers and microentrepreneurs in Sub-Saharan Africa and India, access to affordable, energy-efficient cooling can mean the difference between…
01st August 2025
Solutions to Reduce Post-Harvest Loss for Smallholder Farmers
New research highlights the value chains most impacted by post-harvest losses and identifies key areas where innovation is essential to…
30th July 2025