Business Trend. Underground Wind Energy Storage. 2 Benefits over battery storage.

The business:  Apex-CAES

2 Steps to Underground Wind Energy Storage:

• Apex-CAES will use electricity at night to compress air into an underground cavern.
• Later, the air is released through turbines to generate electricity when the price is right.

Company purports these goals from underground wind storage:

• reduce reliance on coal power
• lower energy costs for Texans

Compressed air v. battery storage, according to compressed air storage:

• lower cost for wind storage
• wind storage allows for charging and discharging at the same time, unlike a battery

Houston Chronicle | Houston startup plans to store wind energy underground