April 2022 Operating Report

Monthly Operating Report
April 2022

Contact Energy / Monthly Operating Report
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»The Customer business recorded:
•Mass market electricity and gas sales of 312GWh (April 2021:
305GWh)
•Mass market netback of $104.59/MWh (April 2021:
$106.11/MWh)
»The Wholesale business recorded:
•Contracted Wholesale electricity sales, including that sold to
the Customer business, totalled 622GWh (April 2021:
655GWh)
•Electricity and steam net revenueof $98.69/MWh (April 2021:
$107.96/MWh)
•Electricity generated (or acquired) of 684GWh (April 2021:
745GWh)
•The unit generation cost, which includes acquired generation
was $60.25/MWh (April 2021: $56.71/MWh)
•Own generation cost in the month of $50.07/MWh (April
2021: $49.63MWh)
»Otahuhu futures settlement wholesale price for
the 3
rd
quarter of 2022 (ASX):
•As at 06 May 2022: $227/MWh
•As at 29 Apr 2022: $232/MWh
•As at 31 Mar 2022: $234/MWh
»As at 9 May 2022, South Island controlled
storage was 75% of mean and North Island
controlled storage was 113% of mean
•As at 9 May 2022, total Clutha scheme
storage (including uncontrolled storage)
was 68% of mean
•Inflows into Contact’s Clutha catchment
for April 2022 were 77% of mean
(March 2022: 51%,
February 2022: 156%,
January 2022: 42%)
»As at 1 May 2022, Contact’s contracted gas
volume (including contracted swaps) for the
next 12 months is 15.69PJ*
For the month of April 2022
* As notified by suppliers, actual gas received is dependent on field delivery

0
50
100
150
200
CY22CY23CY24CY25
$/MWh
30/06/202131/03/202229/04/2022
0
100
200
300
CY22CY23CY24CY25
$/MWh
30/06/202131/03/202229/04/2022
New Zealand controlled hydro storage against mean
ASX futures settlement
Contact Energy / Monthly Operating Report
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12 MONTHS
Otahuhu
Benmore

0%
20%
40%
60%
80%
100%
120%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Apr-22Apr-21Mar-22
0%
20%
40%
60%
80%
100%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Apr-22Apr-21Mar-22
0
50
100
150
200
250
300
$/MWh
FY21 BENFY22 BENFY21 OTAFY22 OTA
Wholesale electricity pricing
Otahuhu
Contact Energy / Monthly Operating Report
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Benmore
Distribution of wholesale market price by trading periods
Jul Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun

-
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
JulAugSepOctNovDecJanFebMarAprMayJun
GWh
North IslandSouth Island (exc. NZAS)NZAS
Contact Energy / Monthly Operating Report
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Total national demand
Regional demand change (%) on April 2021
»New Zealand electricity demand was down 3.3% on April 2021 (down 3.8% on
April 2020):
•Cumulative 12 months demand for May 2021 to April 2022 of 40,805 GWh is
1.4% lower than the prior comparative period.
Source: Contact and Electricity Authority grid demand (reconciled) http://www.emi.ea.govt.nz
FY20, 21 and 22 respectively
Regional demand is excluding NZAS
Nationwide
temperatures for April
2022 were 14.5ºC,
0.3ºC higher than April
2021: 14.2ºC
-
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
JulAugSepOctNovDecJanFebMarAprMayJun
GWh
North IslandSouth Island (exc. NZAS)NZAS

-
20
40
60
80
100
120
0
100
200
300
400
500
600
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
$/MWh
GWh
Mass market electricity salesRetail gas salesNetback
-
10
20
30
40
50
60
70
80
90
100
-
100
200
300
400
500
600
700
800
900
1,000
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
$/MWh
GWh
GeothermalHydroThermal
Acquired generationContracted electricity salesUnit generation cost (RHS)
Wholesale
Contact Energy / Monthly Operating Report
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Customer
Generation mix, gross sales position and unit generation cost (FY21 and 22 respectively)
Retail sales volumes and netback (FY21 and 22 respectively)

Contact Energy / Monthly Operating Report
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Measure
The month ended The month ended The month ended Ten months endingTen months ending
April 22April 21March 22April 22April 21
CustomerMass market electricity salesGWh256 255 251 2,767 2,733
Retail gas salesGWh55 50 47 625 634
Mass market electricity and gas salesGWh312 305 298 3,392 3,367
Average electricity sales price$/MWh258.00 251.52 259.01 253.03 249.02
Electricity direct pass thru costs$/MWh(125.37)(115.86)(126.01)(118.88)(115.82)
Cost to serve$/MWh(18.69)(18.11)(19.00)(16.61)(16.23)
Customer netback$/MWh104.59 106.11 107.97 104.80 100.61
Energy cost$/MWh(98.94)(81.11)(106.73)(97.79)(85.77)
Actual electricity line losses%7%4%5%7%7%
Retail gas salesPJ0.2 0.2 0.2 2.2 2.3
Electricity ICPs#428,500 404,500 428,000 420,000 407,000
Gas ICPs#70,500 65,000 70,000 68,000 64,500
Broadband connections#67,000 47,000 67,000 61,000 37,000
WholesaleElectricity sales to Customer businessGWh277 265 265 2,969 2,936
Electricity sales to Commercial and IndustrialGWh133 125 121 1,201 1,587
Electricity CFD salesGWh211 265 241 2,500 1,984
Contracted electricity salesGWh622 655 627 6,670 6,507
Steam salesGWh35 46 61 552 589
Total electricity and steam net revenue$/MWh98.69 107.96 95.52 98.00 86.37
C&I netback (at the ICP)$/MWh115.23 119.92 110.13 92.23 83.67
C&I line losses%4%9%7%5%5%
Thermal generationGWh139 165 156 741 1,189
Geothermal generationGWh280 255 272 2,716 2,570
Hydro generationGWh178 242 209 3,360 3,032
Spot electricity salesGWh596 662 638 6,817 6,790
Electricity sales -DirectGWh5 5 8 76 77
Acquired generationGWh83 79 45 348 401
Electricity generated (or acquired)GWh684 745 691 7,240 7,268
Unit generation cost (including acquired generation)$/MWh(60.25)(56.71)(53.93)(37.77)(39.82)
Spot electricity purchasesGWh(406)(386)(378)(4,093)(4,446)
CFD sale settlementsGWh(211)(265)(241)(2,500)(1,984)
Spot exposed purchases / CFD settlementGWh(617)(650)(618)(6,594)(6,430)
Spot revenue and settlement on acquired generation (GWAP)$/MWh191.63 265.01 196.24 128.04 155.79
Spot purchases and settlement on CFDs sold (LWAP)$/MWh(208.25)(280.16)(210.14)(137.93)(164.48)
LWAP/GWAP%109%106%107%108%106%
Gas used in internal generationPJ1.3 1.5 1.4 8.3 11.7
Gas storage net movement (extraction) / injectionPJ(0.6)0.3 (0.7)0.8 0.2
ContactTotal customer connections#572,000 526,000 571,000 556,000 515,500

Contact Energy / Monthly Operating Report
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Material themeMeasureUnitQ3 FY22Q3 FY21
Climate ChangeEmissions from generation assets
1
kt CO
2
-e236270
Greenhouse Gas (GHG) intensity of generation
2
kt CO
2
-e / GWh0.1310.154
WaterFreshwater take
3
Million cubic metres0.580.86
Non-consumptive water usage
4
Million cubic metres3,1383,244
Geothermal fluid discharge to awa (rivers)Million cubic metres3.064.44
BiodiversityNative rākau(trees) planted by Contact
5
#-4,948
Pests caught
6
#989715
Inclusion and Diversity
Employee Gender Balance
7, 8
•Board –The Company Directors
•Key Management Personnel -Leadership Team including CEO
•Other Executives/General Managers –Managers that oversee and influence organisational decisions
•Senior Management –Managers that oversee a business function within a business unit
•Other Managers –All other managers
•Non-Managers –Those without direct reports
Total
%
Women / Men
57% / 43%
20% / 80%
40% / 60%
39% / 61%
34% / 66%
48% / 51%
46% / 53%
Women / Men
57% / 43%
27% / 73%
40% / 60%
44% / 56%
30% / 70%
47% / 53%
44% / 55%
Community wellbeingCommunity initiatives and organisations supported#15*
Access to energyCustomer accepted (after standard credit checking / after prepay)%93% / 96%94% / 95%
1
Scope 1 –Stationary combustion. In FY21 stationary combustion was 99.97% of Contact’s total Scope 1 emissions
2
Carbon equivalent from stationary combustion / electricity generated and sold via the spot wholesale market
3
Freshwater taken to support operations at geothermal and thermal and includes Council take in Q2 FY22
4
Water that flows through our Roxburgh power station and cooling water for our geothermal power stations
5
Does not include DrylandsCarbonactivities
6
Predominantly stoats, rats and possums
7
Categories are aligned with the Diversity Reporting Framework provided by Champions for Change
8
Includes all performance, fixed term and casual employees.
* Data has not historically been collected by quarter
Note: This information is updated quarterly (September, December, March, June)

Contact Energy / Monthly Operating Report
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investor.centre@contactenergy.co.nz
contact.co.nz/aboutus/investor-centre
+64 21 072 8578
Investors
Matthew Forbes –GM Corporate Finance
contact.co.nz
@ContactEnergy
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To find out more about Contact Energy