Techno-economic assessment evaluates long-duration energy storage in Australia, suggesting optimal solutions vary by site.
The retirement of coal generators has significantly reduced system inertia in Australia’s National Electricity Market (NEM). Long Duration Energy Storage (LDES) offers a viable solution by supplying both sustained energy and inertia. However, the feasibility of deploying LDES in the Australian market is highly dependent on site-specific factors. To rigorously assess LDES applicability, this study conducts techno-economic assessment of various LDES technologies based on the systematic evaluation framework incorporating 11 key technical parameters, Levelised Cost of Storage (LCOS) and 4 environmental impact criteria. Results indicate that no single technology is universally optimal across all applications. The performance and viability of LDES are highly site-dependent and shaped by geographic, resource, and economic factors. As such, optimal technology selection requires a context-dependent approach to align storage characteristics with regional energy demands and location-specific constraints.
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Sa’adah et al. (2025) studied this question.
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