RWE switches on Australia's first 8-hour grid battery with 144 Tesla Megapacks

Australia has commissioned its longest-duration battery storage facility, a 4-hour extension beyond typical grid batteries that could help stabilize renewable energy supply during peak demand periods.

First covered Sep 18, 2026 · 7:12 AM PT · 1 article · no longer in the live window

RWE switches on Australia's first 8-hour grid battery with 144 Tesla Megapacks — Image via electrek.co

Coverage

8d Electrek 144 Tesla Megapacks power Australia’s first 8-hour grid battery — Australia just switched on its longest-duration grid battery, and it runs on 144 Tesla Megapacks.

More coverage from around the web

yahoo.com Australia's first 8-hour battery gets go-ahead as 144 Tesla Megapacks prepare to transform the grid

energyglobal.com RWE to move Australia’s first eight-hour battery from commissioning to full operations | Energy Global

esdnews.com.au Australia’s first 8-hour battery becomes fully operational

energy-storage.news RWE officially opens Australia’s first 8-hour battery storage system - Energy-Storage.News

rwe.com RWE to build Australia’s first eight-hour battery

Appeared in: 2026-09-18 (#2) · 2026-09-19 (#7)

← Back to the brief