HST is a clean energy network provider that develops a digital Power Purchase Agreement (PPA) platform to allow companies to directly contract with utility-scale clean energy projects. It provides solutions to clean energy developers looking to perform project feasibility and energy marketing, and it provides solutions to clean energy buyers looking to buy energy at cheaper rates than the grid. The company was incorporated in 2012 and is the Winner of the 2016 Singularity University Global Grand Challenge in Energy Award for exponential technology.