Which solar container battery has the most promising

Will Envision Energy's 8 MWh battery fit in a 20 ft 6 m shipping container?

Envision Energy announced an 8-MWh, grid-scale battery that fits in a 20-ft (6-m) shipping container this week while at the third Electrical Energy Storage Alliance (EESA) exhibition held in Shanghai. Taken from Envision Energy's website, this is a possible design configuration of its 8-MWh, 20-ft (6-m) container battery It's colossal.

Where do you store solar energy?

China leads the world in terms of renewable energy resources like solar power. And not just by a small margin either, making over twice as much solar power as the next highest country, the USA. Where do you store any excess solar energy for use when the sun isn't shining? Answer: in ridiculously big batteries.

Could grid-scale batteries solve China's energy problems?

And because China's grid infrastructure is still playing catch-up to the crazy amounts of renewables it keeps building, curtailment is a real issue and much of that power simply goes unused for one reason or another. Grid-scale batteries could potentially remedy some of these issues in China and around the world.

Are large-scale batteries a backstop?

As gas generation declines and renewable energy rises, large-scale batteries have become not just a backstop but the foundation of grid reliability – the connective technology enabling the world's shift toward stable, low-carbon power. When record heat engulfed California in August 2020, the state's electric grid collapsed under the strain.