Greentech Media: 5 Tangible Advances for Long-Duration Energy Storage in 2019

Following long-duration storage is like rooting for a home team that’s always about to win next year.

Lithium-ion batteries utterly dominate grid storage deployments these days. That’s great for the cost decline narrative, in the way that cheap Chinese photovoltaic cells produced a massive expansion in solar deployments. But cost obsession results in technology lock-in, boxing out other tools that could prove useful or even better if given the time and space to grow.