solar energy

SoftBank’s $1 billion Vision Fund has invested $110 million into Swiss energy storage startup Energy Vault.
Energy Vault launched in late 2018, and has come up with a solution to better store energy — a particular problem for renewables, which generate electricity intermittently depending on the weather.
Energy Vault’s system involves lifting and dropping bricks into a tower structure using an autonomous six-armed crane, which stores and releases energy as needed.
Energy storage is seeing growing investor interest as countries around the world move away from fossil fuels to meet their emissions targets.
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SoftBank’s $1 billion Vision Fund has invested $110 million into Energy Vault, a Swiss startup which has come up with an innovative way to store renewable energy to meet the ebb and flow of demand.

It’s SoftBank’s first investment into an energy storage company and marks growing investor interest in the space as countries shift away from fossil fuels.

One of the thornier issues in the switch to renewable energy is that energy provided by the weather is, naturally, dependent on the weather.

A sunnier or gloomier day will dictate whether energy production goes up or down, potentially overloading the grid. That can lead to power cuts. And most power grids were built with fossil fuel rather than renewable sources in mind. The issue then is around capturing and storing any excess energy for days and months when consumer demand is higher.

Some firms are already working on short-term energy storage — it’s why Tesla built a giant lithium-ion battery next to a wind farm in Australia. But, according to Robert Piconi, CEO and cofounder of Energy Vault, batteries only work to smooth out short-term spikes in energy demand. You need other technologies to store renewable energy for months at a time, something that is likely to become more common.

“You want to store that in an efficient way, in a way that doesn’t degrade,” he told Business Insider. “Like in a chemical battery — if you’re going to store it, that solution is going to degrade over time.”

This stack of concrete bricks is Energy Vault’s alternative to the giant battery:

The stack is made up of 35-metric-ton bricks, topped by an autonomous six-arm crane. As a solar or wind farm produces surplus energy, the crane’s software directs it to pick up and stack the bricks to form a tower. Energy is stored in the elevation gain. As and …read more

Source:: Business Insider


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SoftBank invests $110 million in a startup trying to solve a big problem in renewable energy with a giant brick-lifting crane

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