October 2021 Operating Report

Monthly Operating Report
October 2021
Putting our energy where it matters

Contact Energy / Monthly Operating Report
2
»The Customer business recorded:
•Mass market electricity and gas sales of 347GWh (October
2020: 346GWh)
•Mass market electricity and gas netback of $104.46/MWh
(October 2020: $99.15/MWh)
»The Wholesale business recorded:
•Contracted Wholesale electricity sales, including that sold to
the Customer business, totalled 690GWh (October 2020: 638
GWh)
•Electricity and steam net revenueof $91.57/MWh (October
2020: $76.69/MWh)
•Electricity generated (or acquired) of 744 GWh (October 2020:
716 GWh)
•The unit generation cost, which includes acquired generation
was $27.91/MWh (October 2020: $36.99/MWh)
•Own generation cost in the month of $22.25/MWh
(October 2020 : $32.95MWh)
»Otahuhu futures settlement wholesale price for
the 1
st
quarter of 2022 (ASX):
•As at 05 Nov 2021: $142/MWh
•As at 31 Oct 2021: $124/MWh
•As at 30 Sep 2021: $127/MWh
»As at 07 Nov 2021, South Island controlled
storage was 125% of mean and North Island
controlled storage was 132% of mean
•As at07 Nov 2021, total Clutha scheme
storage (including uncontrolled storage)
was 103% of mean
•Inflows into Contact’s Clutha catchment
for October 2021 were 98% of mean
(September 2021: 154%
August 2021: 163%
July 2021: 169%)
»As at1 November 2021, Contact’s contracted
gas volume (including contracted swap returns)
for the next 12 months is 13.4PJ*
For the month of October 2021
* As notified by suppliers, actual gas received is dependent on field delivery

0
50
100
150
200
CY21CY22CY23CY24
$/MWh
30/06/202030/09/202129/10/2021
0
100
200
CY21CY22CY23CY24
$/MWh
30/06/202030/09/202129/10/2021
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
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12 MONTHS
Otahuhu
Benmore

0
50
100
150
200
250
300
$/MWh
FY21 BENFY22 BENFY21 OTAFY22 OTA
0%
20%
40%
60%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Oct-21Oct-20Sep-21
0%
20%
40%
60%
<$35$36-$60$61-$85$86-$110$111-$135$136-$160>$160
% of trading
periods
Oct-21Oct-20Sep-21
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

2%
6%
1%
(2%)
(7%)
(2%)
(10%)
(26%)
(2%)
(1%)
1%
(11%)
(0%)
(3%)
(2%)
7%
(4%)
1%
-
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 October2020
»New Zealand electricity demand was down 3.0% on October 2020 (down 2.8%
on October 2019):
•Cumulative 12 months demand for November 2020 to October 2021 of
41,356 GWh is up 0.4% to 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
October 2021 were
13.2ºC, no change to
October 2020: 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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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 Four months endingFour months ending
October 21October 20September 21October 21October 20
Customer
Mass market electricity salesGWh
277 274 313 1,310 1,339
Retail gas salesGWh
70 72 76 347 355
Mass market electricity and gas salesGWh
347 346 389 1,657 1,694
Average electricity sales price$/MWh
252.84 248.47 247.84 245.66 242.84
Electricity direct pass thru costs$/MWh
(114.50)(111.73)(111.23)(110.14)(107.05)
Cost to serve$/MWh
(17.20)(19.19)(18.05)(16.17)(16.46)
Customer netback$/MWh
104.46 99.15 101.91 102.68 99.93
Energy cost$/MWh
(92.19)(80.21)(94.14)(100.28)(91.25)
Actual electricity line losses%
6%9%9%7%7%
Retail gas salesPJ
0.3 0.3 0.3 1.2 1.3
Electricity ICPs#
417,500 407,000 415,500 413,000 411,500
Gas ICPs#
67,500 64,500 67,000 67,000 64,500
Broadband connections#
58,000 34,000 57,000 56,000 31,000
Wholesale
Electricity sales to Customer businessGWh
294 300 344 1,406 1,446
Electricity sales to Commercial and IndustrialGWh
120 168 117 465 629
Electricity CFD salesGWh
276 171 229 1,129 865
Contracted electricity salesGWh
690 638 690 3,000 2,940
Steam salesGWh
67 78 70 244 259
Total electricity and steam net revenue$/MWh
91.57 76.69 95.10 108.60 88.99
C&I netback (at the ICP)$/MWh
72.87 75.24 93.29 92.97 86.68
C&I line losses%
2%3%2%2%4%
Thermal generationGWh
25 81 36 323 788
Geothermal generationGWh
272 221 262 1,123 1,019
Hydro generationGWh
413 357 398 1,634 1,388
Spot electricity salesGWh
710 659 696 3,080 3,195
Electricity sales -DirectGWh
9 10 9 29 30
Acquired generationGWh
25 47 46 124 96
Electricity generated (or acquired)GWh
744 716 751 3,234 3,321
Unit generation cost (including acquired generation)$/MWh
(27.91)(36.99)(38.48)(35.54)(38.72)
Spot electricity purchasesGWh
(405)(457)(452)(1,842)(2,045)
CFD sale settlementsGWh
(276)(171)(229)(1,129)(865)
Spot exposed purchases / CFD settlementGWh
(681)(628)(681)(2,970)(2,910)
Spot revenue and settlement on acquired generation (GWAP)$/MWh
59.87 111.42 77.87 119.27 124.33
Spot purchases and settlement on CFDs sold (LWAP)$/MWh
(70.61)(119.49)(90.47)(129.36)(132.71)
LWAP/GWAP%
118%107%116%108%107%
Gas used in internal generationPJ
0.4 0.9 0.5 3.5 7.0
Gas storage net movement (extraction) / injectionPJ
0.5 (0.3)0.1 1.1 (1.0)
Contact
Total customer connections#
550,000 514,000 547,000 543,500 511,000

Contact Energy / Monthly Operating Report
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Material themeMeasureUnitQ1 FY22Q1 FY21
Climate ChangeEmissions from generation assets
1
kt CO
2
-e228357
Greenhouse Gas (GHG) intensity of generation
2
kt CO
2
-e / GWh0.0960.141
WaterFreshwater take
3
Million cubic metres0.420.26
Non-consumptive water usage
4
Million cubic metres5,2314,142
Geothermal fluid discharge to awa (rivers)Million cubic metres2.082.22
BiodiversityNative rākau(trees) planted by Contact
5
#28,825*
Pests caught
6
#1,009*
Community wellbeingCommunity initiatives and organisations supported#17*
Access to energyCustomer accepted (after standard credit checking / after prepay)%93% / 96%90% / 92%
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
4
Water that flows through our Roxburgh power station and cooling water for our geothermal power stations
5
Does not include DrylandCarbonactivities
6
Predominantly stoats, rats and possums
* 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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contact.co.nz/aboutus/investor-centre
+64 21 072 8578
Investors
Matthew Forbes –GM Corporate Finance
contact.co.nz
@ContactEnergy
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