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Research

WEM: An introduction to Australia’s Wholesale Electricity Market

12 Dec 2025

The Wholesale Electricity Market (WEM) is Western Australia’s largest electricity market, covering the entire South West Interconnected System. It spans over 260,000 square kilometres and supplies more than 1.2 million households and businesses.The WEM...

Mild conditions push November NEM battery revenues down to $68k/MW/year

04 Dec 2025

In November 2025, battery energy storage revenues in the National Electricity Market (NEM) fell 21% to $68k/MW/year. Peak demand stabilised as we move into the warmer months, and stronger renewable output has kept energy market revenues low. Volatility...

Cycling your battery more than once a day improves project economics in the NEM

27 Nov 2025

Battery cycling is central to project economics in the NEM. Most assets have historically targeted one cycle per day because it aligns with warranties, but this leaves value on the table when market conditions support additional cycling. Higher cycling lifts revenues but also accelerates degradation, making the trade-off between early returns and long-term performance a critical factor in determining the value a battery can deliver.

Minimum system load is reshaping how BESS operate in the NEM

18 Nov 2025

Minimum System Load is becoming an operational challenge for AEMO as the grid shifts toward high levels of renewable generation. When the system leans too heavily on inverter-based resources, it becomes more exposed to voltage and frequency disturbances.

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