Luke Giffen contributed to this article As renewable generation buildout has accelerated over the last 15 years, critics have often highlighted the problems arising from renewable generation’s output varying throughout the day. Natural gas has historically filled this generation gap since the shale revolution due to its ability to ramp quickly, but battery energy storage systems (BESS) have been becoming more popular since the start of the 2020s. In fact, BESS capacity is anticipated to gro...