Construction of the LTESA-winning battery is set to start this year after the federal government gave the project the environmental green light.

"Evil, poisonous and treacherous" was the description from one Queenslander about the central NSW battery project. It is now seeking federal approval.

One of the biggest batteries in Australia's main grid reaches full output, as its owner's owner seeks buyer for its entire portfolio.

Plans to build a massive new big battery with up to four hours of storage has secured development approval from state government authorities.

Construction of the LTESA-winning battery is set to start this year after the federal government gave the project the environmental green light.