Contact Energy : December 2021 Operating Report

About this update from Contact Energy Limited

Monthly Operating Report ersonal use only December 2021 Putting our energy where it matters For the month of December 2021 only » The Customer business recorded: » Otahuhu futures settlement wholesale price for the 2 nd quarter of 2022 (ASX): • Mass market electricity and gas sales of 288GWh (December • As at 11 Jan 2022: $180/MWh 2020: 286GWh) • As at 31 Dec 2021: $160/MWh use • Mass market netback of $106.73/MWh (December 2020: • As at 30 Nov 2021: $168/MWh $98.67/MWh) » The Wholesale business recorded: » As at 11 Jan 2022, South Island controlled storage was 115% of mean and North Island • Contracted Wholesale electricity sales, including that sold to controlled storage was 131% of mean the Customer business, totalled 644GWh (December 2020: • As at 11 Jan 2022, total Clutha scheme 582 GWh) storage (including uncontrolled storage) • Electricity and steam net revenue of $83.30/MWh (December ersonal was 87% of mean 2020: $70.29/MWh) • Inflows into Contact's Clutha catchment • Electricity generated (or acquired) of 684 GWh (December for December 2021 were 94% of mean 2020: 617 GWh) (November 2021: 87% • The unit generation cost, which includes acquired generation October 2021: 98% was $20.03/MWh (December 2020: $33.29/MWh) September 2021: 154%) • Own generation cost in the month of $18.24/MWh » As at 1 December 2021, Contact's contracted (December 2020 : $29.43MWh) gas volume (including contracted swaps) for the next 12 months is 15.24PJ* * As notified by suppliers, actual gas received is dependent on field delivery Contact Energy / Monthly Operating Report 2 only 100 New Zealand controlled hydro storage against mean ASX futures settlement 12 MONTHS Otahuhu 4500 200 $/MWh 3500 4000 use GWh 0 3000 2500 CY22 CY23 CY24 CY25 30/06/2021 30/11/2021 31/12/2021 2000 Benmore 1500 150 1000 ersonal $/MWh 100 0 500 50 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 CY22 CY23 CY24 CY25 South Island Actual North Island Actual 30/06/2021 30/11/2021 31/12/2021 South Island post-market mean National post-market mean Contact Energy / Monthly Operating Report 3 only Wholesale electricity pricing 300 use $/MWh 250 200 150 100 ersonal 50 0 Jul Aug Sept Oct Nov Dec FY21 BEN FY22 BEN Distribution of wholesale market price by trading periods Otahuhu tradingof periods 80% 20% 60% % 40% 0% <$35 $36-$60 $61-$85 $86-$110$111-$135$136-$160 >$160 Benmore Dec-21 Dec-20 Nov-21 tradingof periods 80% 60% 40% Jan Feb Mar Apr May Jun % 20% 0% <$35 $36-$60 $61-$85 $86-$110 $111-$135$136-$160 >$160 FY21 OTA FY22 OTA Dec-21 Dec-20 Nov-21 Contact Energy / Monthly Operating Report 4 only 3,000 4% Total national demand Regional demand change (%) on December 2020 FY20, 21 and 22 respectively (0%) 4,000 3,500 5% 1% 2,500 use GWh Nationwide 2,000 temperatures for 1,500 December 2021 were 1,000 17.4ºC, 1.6ºC higher 500 than December 2020: 15.8ºC - Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun ersonal North Island South Island (exc. NZAS) NZAS » New Zealand electricity demand was down 2.1% on December 2020 (down 2.9% on December 2019): • Cumulative 12 months demand for January 2021 to December 2021 of 41,289 GWh is up 0.3% to the prior comparative period. S urce: Contact and Electricity Authority grid demand (reconciled) http://www.emi.ea.govt.nz Contact Energy / Monthly Operating Report (9%) 7% 5% 8% 1% (1%) 2% (13%) (2%) (3%) (32%) (8%) (1%) (2%) Regional demand is excluding NZAS 5 This is an excerpt of the original content. To continue reading it, access the original document here .

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