October 2022 Operating Report

Monthly Operating Report
October 2022

Contact Energy / Monthly Operating Report
2
»The Customer business recorded:
•Mass market electricity and gas sales of 372GWh
(October 2021: 347GWh)
•Mass market netback of $107.59/MWh (October 2021:
$104.30/MWh)
»The Wholesale business recorded:
•Contracted Wholesale electricity sales, including that
sold to the Customer business, totalled 638GWh
(October 2021: 690GWh)
•Electricity and steam net revenueof $99.45/MWh
(October 2021: $91.07/MWh)
•Electricity generated (or acquired) of 638GWh (October
2021: 744GWh)
•The unit generation cost, which includes acquired
generation was $34.15/MWh (October 2021:
$27.36/MWh)
•Own generation cost in the month of
$30.90/MWh (October 2021: $22.30/MWh)
»Otahuhu futures settlement wholesale price
for the 4
th
quarter of 2022 (ASX):
•As at 7 November 2022: $76/MWh
•As at 31 October 2022: $80/MWh
•As at 30 September 2022: $94/MWh
»As at 7 November 2022, South Island
controlled storage was 164% of mean and
North Island controlled storage was 127% of
mean
•As at 7 November 2022, total Clutha
scheme storage was 146% of mean
•Inflows into Contact’s Clutha catchment
for October 2022 were 81% of mean.
(September 2022: 112%, August 2022: 216%
July 2022: 159%)
»As at 1 November 2022, Contact’s contracted
gas volume (including contracted swaps) for
the next 12 months is 14.4PJ*
For the month of October 2022
* Forecast gas volumes as notified by suppliers, actual gas received is dependent
on field delivery
Prior periods restated to account for metering costs, previously included within ‘Cost to serve’, have been
reclassified to ‘Electricity direct pass thru costs’ to better reflect the direct nature of these costs and to improve
comparability with the industry.

0
50
100
150
200
CY22CY23CY24CY25
$/MWh
30/06/202130/09/202231/10/2022
0
100
200
300
CY22CY23CY24CY25
$/MWh
30/06/202130/09/202231/10/2022
0
500
1000
1500
2000
2500
3000
3500
4000
4500
NovDecJanFebMarAprMayJunJulAugSepOct
GWh
South Island ActualNorth Island Actual
South Island post-market meanNational post-market mean
New Zealand controlled hydro storage against mean
ASX futures settlement
Contact Energy / Monthly Operating Report
3
12 MONTHS
Otahuhu
Benmore

0%
20%
40%
60%
80%
100%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Oct-22Oct-21Sep-22
0%
20%
40%
60%
80%
100%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Oct-22Oct-21Sep-22
0
50
100
150
200
250
JulAugSeptOctNovDecJanFebMarAprMayJun
$/MWh
FY22 BENFY23 BENFY22 OTAFY23 OTA
Wholesale electricity pricing
Otahuhu
Contact Energy / Monthly Operating Report
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Benmore
Distribution of wholesale market price by trading periods

(5%)
19%
2%
4%
(37%)
(1%)
12%
12%
0%
1%
(29%)
5%
(1%)
(5%)
(1%)
(10%)
9%
(9%)
-
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 October 2021
»New Zealand electricity demand was down 0.9% on October 2021
(down 3.9% on October 2020)
Source: Contact and Electricity Authority grid demand (reconciled) http://www.emi.ea.govt.nz
FY21, 22 and 23 respectively
Regional demand is excluding NZAS
Nationwide
temperatures for
October 2022 were
12.2ºC, 1.0ºC colder
than October 2021:
13.2ºC

-
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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Retail
Generation mix, gross sales position and unit generation cost (FY22 and 23
respectively)
Retail sales volumes and netback (FY22 and 23 respectively)

Contact Energy / Monthly Operating Report
7
Measure
The month ended The month ended The month ended Four months endingFour months ending
October 22October 21September 22October 22October 21
RetailMass market electricity salesGWh
303 277 324 1,390 1,310
Retail gas salesGWh
69 70 81 329 347
Mass market electricity and gas salesGWh
372 347 405 1,718 1,657
Average electricity sales price$/MWh
256.79 252.84 250.60 250.53 245.66
Electricity direct pass thru costs$/MWh
(118.31)(117.83)(115.14)(112.54)(113.02)
Cost to serve$/MWh
(14.98)(14.25)(14.74)(13.41)(13.46)
Customer netback$/MWh
107.59 104.30 110.35 109.59 102.65
Energy cost$/MWh
(108.16)(92.19)(103.33)(116.33)(100.28)
Actual electricity line losses%
6%6%6%6%7%
Retail gas salesPJ
0.2 0.3 0.3 1.2 1.2
Electricity ICPs#
429,000 417,500 431,000 431,000 413,000
Gas ICPs#
70,500 67,500 71,000 71,000 67,000
Broadband connections#
75,000 58,000 75,000 74,000 56,000
WholesaleElectricity sales to Customer businessGWh
321 294 345 1,481 1,406
Electricity sales to Commercial and IndustrialGWh
144 120 136 544 465
Electricity CFD salesGWh
173 276 193 715 1,129
Contracted electricity salesGWh
638 690 675 2,740 3,000
Steam salesGWh
59 67 63 224 244
Total electricity and steam net revenue$/MWh
99.45 91.07 101.89 105.68 108.61
C&I netback (at the ICP)$/MWh
112.47 72.87 115.69 125.86 92.97
C&I line losses%
5%2%4%4%2%
Thermal generationGWh
17 25 17 220 323
Geothermal generationGWh
283 272 272 1,125 1,123
Hydro generationGWh
297 413 349 1,302 1,634
Spot electricity salesGWh
598 710 639 2,647 3,080
Electricity sales -DirectGWh
8 9 8 28 29
Acquired generationGWh
322537 131 124
Electricity generated (or acquired)GWh
638 744 684 2,806 3,234
Unit generation cost (including acquired generation)$/MWh
(34.15)(27.36)(35.85)(36.19)(35.54)
Spot electricity purchasesGWh
(456)(405)(473)(1,997)(1,842)
CFD sale settlementsGWh
(173)(276)(193)(715)(1,129)
Spot exposed purchases / CFD settlementGWh
(630)(681)(666)(2,712)(2,970)
Spot revenue and settlement on acquired generation (GWAP)$/MWh
74.07 59.87 57.16 70.95 119.27
Spot purchases and settlement on CFDs sold (LWAP)$/MWh
(84.38)(70.53)(64.45)(78.68)(129.34)
LWAP/GWAP%
114%118%113%111%108%
Gas used in internal generationPJ
0.4 0.4 0.4 2.7 3.5
Gas storage net movement (extraction) / injectionPJ
(0.3)0.5 0.2 1.4 1.1
ContactTotal customer connections#
580,000 550,000 582,000 581,000 543,500

Contact Energy / Monthly Operating Report
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Material themeMeasureUnit
Q1 FY23Q1 FY22
Climate Change
Greenhouse Gas (GHG)Emissions from generation assets
1
kt CO
2
-e179228
GHG intensity of generation
2
kt CO
2
-e /
GWh
0.0870.096
Water
Water Freshwater take
3
Million cubic
metres
0.380.42
Non-consumptive water usage
4
Million cubic
metres
5,3545,231
Geothermal fluid discharge to awa (rivers)
Million cubic
metres
2.082.03
Biodiversity
Native rakau(trees) planted by Contact
5
#31,06028,825
Pests caught
6
#9191009
Community
Community initiatives and organisations supported#1317
Inclusion and
Diversity
Board
% Women/ %
Men
57% / 43%57% / 43%
Inclusion and
Diversity
Key Management Personnel
% Women/ %
Men
20% / 80%33% / 67%
Inclusion and
Diversity
Employee Gender balance
7
% Women/ %
Men
48% / 51%45% / 55%
1 Scope 1 –Stationary combustion. In FY22 stationary combustion was 99.96% 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
4 Water that flows through our Roxburgh power station and cooling water for our geothermal power stations
5 Does not include DrylandsCarbon/Forest Partners activities
6 Predominantly stoats, rats and possums
7 Includes all permanent, fixed term and casual employees. 1.2% and 0.1% unspecified in Q1 FY23 and Q1 FY22respectively.
* 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 –Head of Corporate Finance
contact.co.nz
@ContactEnergy
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To find out more about Contact Energy