It received planning approval in 2009 but the project was cancelled and the permit was revoked in 2012 following appeals in the Environment, Resources and Development Court.

This site utilises an innovative rock anchor solution to support the turbines using only one third of the concrete and reinforcement required in traditional foundations.

[8] Noise testing has confirmed that this permanent acoustic treatment has fixed the tonality issue.

[9] Turbines have a spread of 10 km N-S, 4 km west of Mount Bryan[10] AGL's North Brown Hill Wind Farm, alternatively called Hallett 4 Wind Farm, has 63 turbines with a total installed capacity of 132MW, and cost A$334 million to build.

The first power flowed into the south eastern Australian electricity grid in August 2010 and the project was up to full operation in early 2011.