Contact Energy : July 2022 Operating Report

About this update from Contact Energy Limited

Monthly Operating Report ersonal use only July 2022 For the month of July 2022 only » The Customer business recorded: » Otahuhu futures settlement wholesale price for the 4 th quarter of 2022 (ASX): • Mass market electricity and gas sales of 483GWh (July • As at 9 August 2022: $126/MWh 2021: 485GWh) • As at 29 July 2022: $119/MWh use • Mass market netback of $110.50/MWh (July 2021: • As at 30 June 2022: $165/MWh $102.57/MWh) » The Wholesale business recorded: » As at 12 August 2022, South Island controlled storage was 143% of mean and North Island • Contracted Wholesale electricity sales, including that controlled storage was 129% of mean sold to the Customer business, totalled 726GWh (July • As at 12 August 2022, total Clutha scheme 2021: 862GWh) storage was 157% of mean • Electricity and steam net revenue of $118.06/MWh (July ersonal • Inflows into Contact's Clutha catchment 2021: $132.11/MWh) for July 2022 were 159% of mean. (June • Electricity generated (or acquired) of 760GWh (July 2022: 120% May 2022: 112%, April 2022: 2021: 944GWh) 82%) • The unit generation cost, which includes acquired » As at 1 August 2022, Contact's contracted gas generation was $37.08/MWh (July 2021: $39.40/MWh) volume (including contracted swaps) for the • Own generation cost in the month of next 12 months is 14.8PJ* $36.50/MWh (July 2021: $36.80) * As notified by suppliers, actual gas received is dependent on field delivery Contact Energy / Monthly Operating Report 2 only New Zealand controlled hydro storage against mean 12 MONTHS 4500 4000 3500 use GWh 3000 2500 2000 1500 1000 ASX futures settlement Otahuhu Benmore ersonal 500 0 Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul South Island Actual North Island Actual South Island post-market mean National post-market mean Contact Energy / Monthly Operating Report 3 only Wholesale electricity pricing 200 150 use $/MWh 50 100 ersonal 0 Jul Aug Sept Oct Nov Dec FY22 BEN FY23 BEN Distribution of wholesale market price by trading periods Otahuhu tradingof periods 100% 80% 60% 40% % 20% 0% <$35 $36-$60 $61-$85 $86-$110 $111-$135 $136-$160 >$160 Benmore Jul-22 Jul-21 Jun-22 Jan Feb Mar Apr May Jun FY22 OTA FY23 OTA Contact Energy / Monthly Operating Report 4 Total national demand Regional demand change (%) on July 2021 FY21, 22 and 23 respectively 4,000 (16%) 3,500 (3%) only 3,000 (3%) Nationwide (5%) 2,500 (2%) temperatures for July (4%) use GWh 2,000 2022 were 9.1ºC, 0.2ºC 2% (9%) 1,500 warmer than July 1% 2021: 8.9ºC 1,000 (1%) 500 (0%) - 3% ersonal Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun (4%) North Island South Island (exc. NZAS) NZAS 6% 4% » New Zealand electricity demand was down 1.1% on July 2021 (down 3% 0.5% on July 2020) 2% 2% S urce: Contact and Electricity Authority grid demand (reconciled) http://www.emi.ea.govt.nz Regional demand is excluding NZAS Contact Energy / Monthly Operating Report 5 This is an excerpt of the original content. To continue reading it, access the original document here .

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