Uncovering The Chaos: The Victorian Energy Grid Disaster | Dirt Report

What happened on 13 February 2024

Shortly after 2 pm on 13 February 2024, Victoria experienced a major power outage after two transmission towers collapsed. The failure prevented electricity from being transmitted through the affected lines and caused all four units at AGL’s Loy Yang A power station in the Latrobe Valley to trip offline.

The event occurred while the nearby Yallourn power station, owned by EnergyAustralia, was operating at half capacity because of repair work. Wildfires, high winds and a subsequent storm also affected the grid, knocking out six major transmission lines. Almost half a million homes lost power, while wholesale prices reached $16,600 per megawatt hour, compared with $29.60 in Queensland and $286 in New South Wales that afternoon.

The infrastructure problem

The video presents the blackout as an infrastructure and maintenance failure, rather than evidence that solar and wind generation caused the outage. Transmission lines and towers remain essential regardless of whether electricity is generated by coal, gas, hydro, wind, solar or batteries.

The transcript states that transmission lines can last for many decades when maintained, while steel towers and insulating systems can deteriorate over time. The collapsed towers were about 40 years old. They were designed to withstand adverse weather, but the video questions whether older infrastructure is capable of handling increasingly intense storms and other climate-related risks.

The Bureau of Meteorology and CSIRO’s State of the Climate material is used to outline changes including Australia’s average warming since national records began, more frequent extreme heat events, declining rainfall in parts of southern Australia, increased extreme fire weather and longer fire seasons. These conditions increase the importance of weatherproofing, inspection and replacing ageing grid assets.

Renewables, batteries and transmission

The video notes that Australia’s energy mix has changed significantly, with coal’s share falling while solar and wind generation have expanded. Renewable generation can reduce emissions and, according to the material discussed, may become cheaper than fossil fuel generation. However, new generation does not remove the need for reliable transmission and distribution networks.

Large batteries can store energy generated by solar and wind and release it during peak periods or when renewable output is unavailable. Victoria has supported battery projects, including the Melbourne Renewable Energy Hub near Melton, while the State Electricity Commission has committed to renewable generation and storage investment. The video also refers to the Marinus Link and the VNI West connection as publicly owned transmission projects intended to support the energy transition.

A central caveat is that a battery cannot supply homes if the cables and towers connecting it to consumers fail. The video therefore discusses decentralised energy, where generation is located closer to users and multiple local nodes may provide alternative supply paths. Rooftop solar, household batteries and other local systems could reduce transmission losses and improve resilience, although the transcript does not present this as a complete solution.

Ownership, prices and future demand

The discussion links Victoria’s current challenges to the privatisation of electricity assets during the 1990s. Publicly owned generation, transmission and distribution assets were sold, and the video argues that private owners may have incentives to reduce maintenance and operating costs to protect returns for shareholders. It contrasts this with Queensland and Tasmania, which retained greater public ownership of energy assets.

Electricity bills include more than the cost of generating power. The video highlights transmission and distribution costs, retail services, infrastructure upgrades, market costs and policies associated with reducing emissions. It also notes that higher wholesale prices can take time to appear in household bills because of the way retail contracts pass costs through to consumers.

The grid will face additional pressure as electric vehicles become more common and more households rely on electricity for transport and other uses. Managing when vehicles charge, expanding network capacity and maintaining physical infrastructure will be necessary alongside new renewable generation.