Orana BESS (ORABESS1) is a 439 MW / 1660 MWh grid-scale battery energy storage system in New South Wales, tracked live on NEMPulse using AEMO 5-minute dispatch data. This page shows Orana BESS's energy arbitrage and FCAS revenue, state of charge, dispatch profile, bidding behaviour, and actual-vs-optimal performance in the Australian National Electricity Market (NEM).
With 1660 MWh of storage across 439 MW of power, Orana BESS is a 3.8-hour long-duration battery — the 5th-largest of 18 grid-scale batteries in New South Wales by registered power, and one of the five largest in the NEM. Duration sets how long it can sustain full output, and with it how much of the daily price spread it can arbitrage before running flat.
As of 6 July 2026: estimated gross energy + FCAS market revenue month-to-date $59k; capturing 5.5% of optimal dispatch value.
Price and dispatch are measured AEMO values; energy and FCAS revenue are derived from them; FPP revenue and integrated state of charge are estimated. See the provenance scheme on the methodology page.
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Other New South Wales batteries: Waratah Super BatteryLiddell Battery Energy Storage SystemEraring Battery Energy Storage SystemMortlake Battery Energy Storage SystemWilliamsdale BESSLimondale Battery
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