Exowatt

Exowatt builds modular solar thermal power systems that store sunlight as heat and turn it into electricity on demand for data centers. Its P3 module combines Fresnel lenses that concentrate sunlight, a thermal battery that holds the heat, and a heat engine that converts it to electricity, and it arrives factory-built in a shipping-container-sized unit. Through its ExoRise business line, the company also develops land, power, and data center shells as a single package. It is built for data centers that need clean, around-the-clock power sooner than the grid can connect them.