RenqiuA 400MWh grid battery will mix lithium and sodium.

It is among China’s first lithium-plus-sodium pilots, and Envision’s 790Ah cells won the lithium tender.

A January national rule scales capacity payments by hours of full-power discharge, so 2-hour storage earns less than 4-hour.

Foresight Energy says one tender proves nothing until more projects repeat the choice.

How each outlet framed it
TMTPost
argues capacity-price rules now set cell size: 1GWh falls from ~995k cells (314Ah) to ~396k (790Ah), fewer failure points

Sources: TMTPost