Enel — Interim / Quarterly Report 2024

May 6, 2024

Informazione Regolamentata n. 0116-35-2024		Data/Ora Inizio Diffusione 6 Maggio 2024 18:03:19	Euronext Milan
Societa'	:	ENEL
Identificativo Informazione Regolamentata	:	190115
Utenza - Referente	:	ENELN07 - Giannetti
Tipologia	:	REGEM
Data/Ora Ricezione	:	6 Maggio 2024 18:03:19
Data/Ora Inizio Diffusione	:	6 Maggio 2024 18:03:19
Oggetto	:	Enel publishes 2024 first quarter Group operating data Report
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International Press Office Investor Relations

T +39 06 8305 5699 T +39 06 8305 7975 gnm@enel.com enel.com enel.com

ufficiostampa@enel.com investor.relations@enel.com

ENEL PUBLISHES 2024 FIRST QUARTER GROUP OPERATING DATA REPORT

Rome, May 6th, 2024 – Enel S.p.A. ("Enel") published its Quarterly Bulletin ("Report"), with the Group's operating data relating to the first quarter of 2024.

The Report, which is published ahead of the approval by the Enel Board of Directors and the disclosure of the performance and financial data contained in Enel's periodic financial reports, is aimed at further strengthening Enel's transparency towards the financial community, in line with best practices in the most advanced markets.

The Report attached to this press release is available to the public at Enel's registered office, on the Enel website (www.enel.com), and - together with this press release - through the authorised storage mechanism "eMarket Storage" ().

1

Q1 2024 Quarterly Bulletin

Index

1. Enel Green Power & Conventional Generation

2. Grids

Quarterly bulletin

Pro-forma KPIs Q1 2024

3. Global Retail

Pro-forma operating data Q1 2024¹

30. 0 40. 0 50. 0 60. 0 70. 0 80. 0 90. 0 100.0 Installed capacity (GW)

Production evolution (TWh)

2 1. Rounded figures. Includes capacity and production from renewable managed assets. Pro-forma numbers are net of the disposals executed in 2023 and 2024 of Solar and Geothermal assets in US, Costanera, Dock Sud (Argentina), generation assets in Chile, Enel Green Power Romania and Oil & Gas asset in Colombia.

1. Pro-forma numbers are net of disposals executed in 2023 (Enel Romania for 3.8 TWh and 3.1 mn end users).

Italy Iberia Latin America

53.2 53.7

Q1 2023 Q1 2024

33.3 33.4

1. Pro-forma numbers are net of disposals executed in 2023 (Enel Romania for 2.3 TWh).

2. Pro-forma numbers are net of disposals executed in 2023 (Enel Romania for 0.1 bcm; and 0.2 mn customers)

5

Index

1. Enel Green Power & Conventional Generation

2. Grids

Quarterly bulletin

Operating data Q1 2024

• 3. Enel X Global Retail
• 4. Disclaimer

Operating data Q1 2024¹

Q1 2023 57 TWh Q1 2024 53 TWh 70% emission free 82% emission free Production evolution (TWh) and installed capacity (GW) Emission free share of production² Renewables Conventional Generation 33.1 36.7 23.8 16.0 0.0 10. 0 20. 0 30. 0 40. 0 50. 0 60. 0 Q1 2023 Q1 2024 29 59 25 62 88³ 89³ 56.9 52.7 +3.6 TWh -7.8 TWh

Capacity

• 1. Rounded figures. Includes capacity and production from renewable managed assets.
• 1. Considers nuclear + renewable (consolidated & managed).
• 1. It includes BESS Capacity (0.7 GW for Q1 2023 and 1.6 GW for Q1 2024)

Installed capacity & production at Group level

Group	Q1 2024	Weight %	Q1 2023	Weight %	∆ yoy	Cap. 2024 Add.
Hydro	28,337	34.8%	28,356	34.3%	-	1
Wind	15,853	19.5%	15,866	19.2%	-0.1%	-
Solar & Others	10,744	13.2%	8,678	10.5%	23.8%	409
Geothermal	860	1.1%	931	1.1%	-7.7%	-
Total Renewables	55,793	68.6%	53,831	65.1%	3.6%	410
Nuclear	3,328	4.1%	3,328	4.0%	-	-
Coal	4,627	5.7%	6,590	8.0%	-30%	-
CCGT	11,983	14.7%	12,811	15.5%	-6.5%	-
Oil & Gas	5,616	6.9%	6,107	7.4%	-8.0%	-
Conventional Total Generation	25,555	31.4%	28,836	34.9%	-11.4%	-
Total consolidated capacity	81,348	100%	82,667	100%	-1.6%	410
Managed capacity	6,197		4,860		27.5%
Bess capacity	1,618		685		136.1%
installed capacity Total	89,163		88,212		1.1%

Group	Q1 2024	Weight %	Q1 2023	Weight %	∆ yoy	Quarter prod.
Hydro	16,323	33.5%	13,530	25.2%	20.6%	16,323
Wind	11,175	23.0%	11,845	22.0%	-5.7%	11,175
Solar & Others	3,770	7.7%	3,090	5.7%	22.0%	3,770
Geothermal	1,436	2.9%	1,486	2.8%	-3.4%	1,436
Total Renewables	32,703	67.2%	29,951	55.7%	9.2%	32,703
Nuclear	6,591	13.5%	6,835	12.7%	-3.6%	6,591
Coal	747	1.5%	5,251	9.8%	-85.8%	747
CCGT	7,199	14.8%	9,795	18.2%	-26.5%	7,199
Oil & Gas	1,445	3.0%	1,955	3.6%	-26.1%	1,445
Total Conventional Generation	15,982	32.8%	23,835	44.3%	-32.9%	15,982
consolidated production Total	48,685	100%	53,786	100%	-9.5%	48,685
Managed production	4,039		3,193		26.5%
Total production	52,724		56,978		-7.5%

Installed capacity (MW)

7

Consolidated capacity & production – Italy

Italy	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	2024 Add Cap
Hydro	12 995 ,	50 5%	12 996 ,	49 5%	-	1
Wind	874	3 4%	861	3 3%	1 5%	-
Solar & Others	250	1 0%	52	0 2%	>100%	13
Geothermal	776	3 0%	776	3 0%	-	-
Total Renewables	14 895 ,	57 9%	14 685 ,	55 9%	1 4%	14
Coal	4 160 ,	16 2%	4 720 ,	18 0%	-11 9%	-
CCGT	4 607 ,	17 9%	4 606 ,	17 5%	-	-
Oil Gas &	2 052 ,	8 0%	2 253 ,	8 6%	-8 9%	-
Total Conventional Generation	10 819 ,	42 1%	11 579 ,	44 1%	-6 6%	-
Total	25 714 ,	100%	26 264 ,	100%	-2 1%	14

Italy	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Quarter prod
Hydro	4 060 ,	46 7%	2 654 ,	22 2%	53 0%	4 060 ,
Wind	445	5 1%	407	3 4%	9 3%	445
Solar & Others	29	0 3%	18	0 2%	60 7%	29
Geothermal	1 342 ,	15 4%	1 302 ,	10 9%	3 1%	1 342 ,
Total Renewables	5 877 ,	67 5%	4 382 ,	36 6%	34 1%	5 877 ,
Coal	464	5 3%	4 967 ,	41 5%	-90 7%	464
CCGT	2 347 ,	27 0%	2 618 ,	21 9%	-10 4%	2 347 ,
Oil & Gas	15	0 2%	11	0 1%	40 1%	15
Total Conventional Generation	2 826 ,	32 5%	7 596 ,	63 4%	-62 8%	2 826 ,
Total	8 703 ,	100%	11 978 ,	100%	-27 3%	8 703 ,

Installed capacity (MW)

Consolidated capacity & production – Iberia

Iberia	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	2024 Add Cap
Hydro	4 746 ,	22 2%	4 746 ,	21 5%	-	-
Wind	2 884 ,	13 5%	2 882 ,	13 1%	-	-
Solar Others &	2 367 ,	11 1%	1 665 ,	7 6%	42 2%	98
Total Renewables	9 997 ,	46 8%	9 293 ,	42 2%	7 6%	98
Nuclear	3 328 ,	15 6%	3 328 ,	15 1%	-	-
Coal	241	1 1%	1 644 ,	5% 7	-85 3%	-
CCGT	5 445 ,	25 5%	5 445 ,	24 7%	-	-
Oil & Gas	2 333 ,	10 9%	2 333 ,	10 6%	-	-
Total Conventional Generation	11 347 ,	53 2%	751 12 ,	57 8%	-11 0%	-
Total	21 344 ,	100%	22 044 ,	100%	-3 2%	98

Iberia	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Quarter prod
Hydro	2	13	1	9	41	2
	131	6%	506	6%	5%	131
	,		,			,
Wind	2	13	1	12	11	2
	167	9%	944	4%	5%	167
	,		,			,
Solar Others &	719	4 6%	491	3 1%	46 7%	719
Total Renewables	5 017 ,	32 1%	3 940 ,	25 1%	27 3%	5 017 ,
Nuclear	6	42	6	43	-3	6
	591	2%	835	6%	6%	591
	,		,			,
Coal	-	0 0%	211	1 3%	-100 0%	-
CCGT	2	18	3	23	-18	2
	957	9%	615	1%	2%	957
	,		,			,
Oil	1	6	1	6	-2	1
&	052	7%	079	9%	4%	052
Gas	,		,			,
Total	10	67	11	74	-9	10
Conventional	601	9%	740	9%	7%	601
Generation	,		,			,
Total	15 618 ,	100%	15 680 ,	100 0%	-0 4%	15 618 ,

Installed capacity (MW)

Consolidated capacity & production – Latin America

Latin America	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	2024 Add Cap
Hydro	10 544 ,	45 3%	10 542 ,	46 9%	-	-
Wind	4 524 ,	19 4%	3 517 ,	15 6%	28 6%	-
Solar & Others	4 732 ,	20 3%	3 845 ,	17 1%	23 1%	198
Geothermal	83	0 4%	83	0 4%	-	-
Total Renewables	19 883 ,	85 4%	17 987 ,	80 0%	10 5%	198
Coal	226	1 0%	226	1 0%	-	-
CCGT	1 931 ,	8 3%	2 760 ,	12 3%	-30 0%	-
Oil Gas &	1 231 ,	5 3%	1 520 ,	6 8%	-19 0%	-
Total Conventional Generation	3 388 ,	14 6%	4 506 ,	20 0%	-24 8%	-
Total	23 271 ,	100 0%	22 493 ,	100%	3 5%	198

Latin America	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Quarter prod
Hydro	10 114 ,	58 3%	9 321 ,	51 3%	8 5%	10 114 ,
Wind	2 673 ,	15 4%	2 719 ,	15 0%	-1 7%	2 673 ,
Solar & Others	1 902 ,	11 0%	1 536 ,	8 5%	23 9%	1 902 ,
Geothermal	94	0 5%	88	0 5%	7 1%	94
Total Renewables	14 783 ,	85 3%	13 663 ,	75 2%	8 2%	14 783 ,
Coal	283	1 6%	72	0 4%	n.m.	283
CCGT	1 894 ,	10 9%	3 562 ,	19 6%	-46 8%	1 894 ,
Oil Gas &	378	2 2%	865	4 8%	-56 4%	378
Total Conventional Generation	2 555 ,	14 7%	4 499 ,	24 8%	-43 2%	2 555 ,
Total	17 338 ,	100 0%	18 162 ,	100%	-4 5%	17 338 ,

Installed capacity (MW)

Consolidated capacity & production – North America & Other countries

W) M	North America								Africa, Asia & Oceania
y (	Tech	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Add Cap	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Add Cap
cit a	Hydro	52	0 5%	53	0 5%	-1 0%	-	-	-	-	-	-	-
p a c	Wind	7 195 ,	70 0%	7 196 ,	74 6%	-	-	371	50 9%	539	44 7%	-31 2%	-
d	Solar & Others	3 038 ,	29 5%	1 2 320 ,	24 1%	31 0%	100	357	49 1%	667	55 3%	-46 4%
e all	Geothermal	-	-	72	0 7%	-	-	-	-	-	-	-	-
st	Total	10 286 ,	100%	9 640 ,	100%	6 7%	100	729	100%	1 206 ,	100%	-39 6%	-
n I

Production (GWh)

Tech	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Q1 Prod	Q1 2024	% Weight	Q1 2023	% Weight	∆ yoy	Q1 Prod
Hydro	17	0 3%	33	0 5%	-47 9%	17	-	-	-	-	-	-
Wind	5 697 ,	85 3%	5 892 ,	87 8%	-3 3%	5 697 ,	191	55 2%	266	45 0%	-28 2%	191
Solar Others &	964	14 4%	687	10 2%	40 2%	964	155	44 8%	325	55 0%	-52 2%	155
Geothermal	-	-	97	1 4%	-100 0%	-	-	-	-	-	-	-
Total	6 678 ,	100%	6 709 ,	100%	-0 5%	6 678 ,	346	100%	591	100%	-41 4%	346

Grids Operating data Q1 2024

• 1. Latin America breakdown Q1 2024: Argentina 4.6 TWh, Brazil: 18.8 TWh, Chile: 3.6 TWh, Colombia: 3.8 TWh and Peru: 2.3 TWh. Q1 2023: Argentina: 4.9 TWh, Brazil: 17.5 TWh, Chile: 3.6 TWh, Colombia: 3.7 TWh and Peru: 2.2 TWh.
• 12 2. Latin America breakdown – Q1 2024: Argentina 2.7 mn, Brazil: 15.7 mn, Chile: 2.1 mn, Colombia: 3.9 mn and Peru: 1.6 mn. Q1 2023: Argentina: 2.6 mn, Brazil: 15.5 mn, Chile: 2.1 mn, Colombia: 3.8 mn and Peru: 1.5 mn.

Retail – Liberalized power markets, Europe Operating data Q1 2024¹

Retail – Regulated power markets, Europe

Operating data Q1 2024

Power customers (mn)

Retail – Liberalized power markets, Latin America Operating data Q1 2024

Retail – Regulated power markets, Latin America Operating data Q1 2024

4.1 3.8 12.6 12.8 2.2 2.3 2.3 2.4 1.4 1.4 Q1 2023 Q1 2024 ¹⁷ Argentina Brazil Chile Colombia Peru Energy sold (TWh) Power customers (mn) 22.6 22.7 25.9 26.0 +0.6% - 2.7 2.7 15.7 15.7 2.1 2.1 3.9 3.9 1.6 1.6 FY 2023 Q1 2024

1. Q1 2024: Italy: 1.7 bcm, Iberia: 1.2 bcm, Latin America 0.06 bcm; Q1 2023 : Italy: 2.1 bcm, Iberia: 1.4 bcm, Rest of Europe 0.1 bcm, Latin America 0.04 bcm.

2. Q1 2024: Italy: 4.2 mn, Iberia: 1.8 mn; FY 2023: Italy: 4.3 mn, Iberia: 1.8 mn

Disclaimer

The information contained in this presentation does not purport to be comprehensive and has not been independently verified by any independent third party.

This presentation does not constitute a recommendation regarding the securities of the Company. This presentation does not contain an offer to sell or a solicitation of any offer to buy any securities issued by Enel S.p.A. or any of its subsidiaries.

Quarterly bulletin Q1 2024 Contact us

Monica Girardi Head of Group Investor Relations

Investor Relations team

Federico Baroncelli Serena Carioti Gaia Cherubini Federica Dori Fabrizio Ragnacci Danielle Ribeiro Da Encarnacao Riccardo Ricci Noemi Tomassi Emanuele Toppi ²⁰

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Email investor.relations@enel.com Phone +39 06 8305 7975

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