Challenges Catalyst Ltd

Despite its potential, Malawi's Mini-grid market remains in its infancy, facing barriers to realising full impact. These include, most notably, accurately forecasting Average Revenue per User (ARPU) and Average Weekly Time of Power (AWTP) when assessing potential locations, and initial low energy demand during evening hours, increasing battery storage cos...

African Clean Energy (ACE), in collaboration with The Challenges Group, seek to establish a scalable, decentralised and digitised distribution model for transitioning households from harmful charcoal usage to sustainable local fuel options. ACE has demonstrable demand for its sustainable briquettes, however, the existing method of ordering and delivering ...

Floating across rivers and streams to generate affordable, accessible renewable energy with less damage to the local ecosystem, HydroWheel is the world's first inflatable waterwheel. It emphasises lower costs, durability, easy installation and continuous power production. The innovation's commercial and impact potential in sub-Saharan Africa is further en...

**Improving Affordability and Reliability of Energy Access in Uganda with River Turbines** This study will show how novel hydro-kinetic river turbines can be a valuable addition to the portfolio of solutions that can be used to accelerate energy access and improve the quality of life for poor, rural communities in Uganda. The emergence of small, efficient...

SolarisKit is developing a new, lower cost, flat-packable solar thermal collector to the sub-Saharan market. Our collector will provide a more affordable method to provide clean hot water to homes, business (e.g. hotels) and industry. This project focuses on developing the collector for pilot trials in Rwanda. We will be targeting the installation of up t...

There has been significant investment into solar panels and biogas digesters within Sub-Saharan Africa. Yet the poorest members of off-grid communities remain unable to afford these assets, and are prohibited from accessing such energy sources, whilst those with assets have an energy supply that exceeds the capacity of their current storage options and/or...