Naturgy to Build 330-MW Solar, 180-MW BESS in Queensland

• Naturgy will invest €300M+ in Queensland: a 330MW solar plant paired with a 180MW battery to boost grid stability, meet clean-energy targets, and strengthen long-term energy security.

Naturgy Energy Group said it will invest more than EUR 300 million (USD 344 million) to build a hybrid renewable energy complex in Australia’s Queensland. The project pairs a 330-MW solar plant with a 180-MW battery energy storage system.

The facility is designed to improve grid stability by storing electricity and shifting supply to periods of higher demand. Naturgy said the development supports Queensland’s clean-energy targets and its growing role as a major investment destination for solar. Construction is expected to create jobs and strengthen local infrastructure, while the operating project will add new renewable capacity and bolster long-term energy security.

What impact will Naturgy’s Queensland 330-MW solar and 180-MW storage have on grid stability?

• Adds rapid-response flexibility: the 180-MW battery can absorb excess solar generation when output is high and release power quickly when solar output drops, helping balance supply and demand in near real time.
  
• Smooths solar variability: pairing storage with a 330-MW solar plant reduces “duck curve” stress by mitigating abrupt changes caused by clouds and day/night transitions.
  
• Improves frequency and voltage support: battery inverters can provide grid-support functions that help maintain stable operating conditions, particularly during periods of high renewable penetration.
  
• Enhances reliability during peak demand: stored energy can be dispatched during evening and other high-load windows, reducing the risk of generation shortfalls.
  
• Reduces curtailment and network congestion: by storing surplus energy and shifting delivery to later periods, the project can lower the likelihood of solar output being limited by grid constraints.
  
• Strengthens system resilience to disturbances: on-site storage can help the grid recover faster after outages or sudden demand swings by providing controllable, dispatchable power.
  
• Provides a firming resource for renewable growth: turning variable solar into a more dispatchable resource supports broader integration of renewables across Queensland.
  
• Lowers volatility in wholesale prices: more predictable net output from the solar-plus-storage combination can dampen extreme price movements during scarcity or oversupply periods.
• Supports grid planning and long-term energy security: adding a coordinated solar-and-storage capability helps utilities and system operators rely less on short-term backup generation as demand increases.