The repercussions of Texas' Winter Storm events in February, may be felt for years. Scott Burger, Annie Baldwin, Jason Houck and Marco Ferrara at long-duration energy storage start-up Form Energy discuss how in-depth system modelling of current and future grids offers some early takeaways which might help prevent the next crisis and how multi-day energy storage could play a leading role. The costs of the tragic convergence of events in Texas cannot be understated. What started as an energy crisis turned into a public health crisis accompanied by a financial crisis as dozens of Texans lost their lives and estimates of economic damage soared into the tens of billions of dollars. The repercussions will be long felt.