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Research

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.

Constrained charging: Why NSW batteries were caught charging at $14k/MWh

Battery Operations

25 Nov 2025

Constraints have been a problem for New South Wales in 2025. They have prevented low-priced renewable generation in the South West to reach demand centres, creating the conditions for increased volatility. And they’ve made it difficult for batteries in constrained regions to dispatch into these price spikes. Smart optimisers have been able to find ways to maximise output during price spikes, even whilst constrained. However, last week, multiple different batteries were caught out charging during price spikes - showing constraints can still cause problems.

Degradation: The impact on battery energy storage in Great Britain in 2025

Battery Operations

11 Nov 2025

Batteries in Great Britain continue to degrade at expected rates, losing around 4% of usable energy capacity after 365 cycles. Despite higher utilisation in recent years, degradation remains modest and shows no clear link to depth of discharge. This suggests operators are managing assets carefully, balancing revenue with long-term performance.

Rebidding in the NEM: Why less can be more for BESS

Battery Operations

09 Oct 2025

Rebidding activity in the NEM has exploded in the past few years, thanks to battery autobidders constantly submitting revised bids hundreds of times per day. Revising bids as market conditions and forecasts change is essential for optimisation. The ri...

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