Grid hits major milestone as coal, gas shrink amid ‘tripling’ battery discharge

News Brief: Energy Milestones and Challenges in Australia

Summary

Australia’s main electricity grid saw record power demand in Q4 2024, while simultaneously achieving a historic milestone: renewable sources supplied over 50% of the nation’s power for the first time in a quarter. This shift is driven by surging rooftop solar and battery storage, pushing down wholesale prices but also presenting new grid stability challenges.

Key Points

  • Record Demand & Renewable Milestone: Underlying power demand hit a record 24,271 MW in Q4 2024. During this period, renewables (wind, solar, hydro) supplied 51% of power, surpassing fossil fuels for the first time in a quarter.
  • Rooftop Solar & Storage Boom: Rooftop solar output averaged a record 4,407 MW. Battery discharge nearly tripled, helping meet peak demand and reduce reliance on gas.
  • Fossil Fuel Decline: Coal-fired generation fell to a new quarterly low (down 4.6% year-on-year). Gas-fired power hit its lowest Q4 level since 2000 (down 27%).
  • Price Impact: Increased renewables led to a 44% drop in average wholesale prices to $50/MWh compared to 2024, with less price volatility.
  • Grid Challenges: The transition creates extremes: record low grid demand on sunny days and record high demand during heatwaves. System strength issues sometimes require intervention, and grid congestion led to significant curtailment (wasting) of wind (15%) and solar (18%) power.
  • Western Australia Trend: Similar progress was seen in WA, with renewables meeting 52.4% of demand and wholesale prices falling 13%.

新闻简报:澳大利亚的能源里程碑与挑战

摘要

2024年第四季度,澳大利亚主要电网的电力需求创下历史新高,同时实现了一个历史性里程碑:可再生能源首次在一个季度内供应了全国超过50%的电力。这一转变由屋顶太阳能和电池储能的激增推动,压低了批发电价,但也带来了新的电网稳定性挑战。

关键点

  • 创纪录的需求与可再生能源里程碑:2024年第四季度,基础电力需求创下24,271兆瓦的纪录。在此期间,可再生能源(风能、太阳能、水能)供应了51%的电力,首次在一个季度内超过化石燃料。
  • 屋顶太阳能与储能激增:屋顶太阳能平均输出创纪录,达4,407兆瓦。电池放电量几乎翻了三倍,有助于满足高峰需求并减少对天然气的依赖。
  • 化石燃料下降:燃煤发电量降至新的季度低点(同比下降4.6%)。燃气发电量达到2000年以来最低的第四季度水平(下降27%)。
  • 价格影响:可再生能源的增加导致平均批发价格较2024年下降44%,至每兆瓦时50澳元,价格波动性也有所降低。
  • 电网挑战:能源转型带来了极端情况:阳光充足时日间电网需求极低,而热浪期间需求又创下新高。系统强度问题有时需要干预,电网拥堵导致风能(15%)和太阳能(18%)发电出现显著限电(浪费)。
  • 西澳大利亚州的趋势:西澳也呈现类似进展,可再生能源满足了52.4%的需求,批发价格下降了13%。

Original Article Link: https://www.abc.net.au/news/2026-01-29/australia-hits-power-demand-record-as-renewables-pass-50pc/106280246

Scroll to Top