Investor Presentaiton

What does large-scale battery technology mean for the National Electricity Market? Five potential areas of impact across the system; renewables integration most interesting Wind curtailment case study: North Brown Hill, 11 October 2017 1 Renewables integration 2 Capacity Frequency 3 control Generation output (MW) 120 100 80 4 Price arbitrage 40 42 20 Approximately 236 MWh of wind generation curtailed 0 Transmission 5 and distribution Curtailed generation Actual generation Potential generation Source: AGL Investor Day | 13 December 2017 agl 25

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