Equity Research Thematic Report Brazilian Utilities Utilities April 9, 2024 Dry and high? Insights and sensitivities for reservoirs and prices after disappointing hydrology in 2024 The (dry) summer is over. What were its impacts? In Brazil, the wet season starts in October and ends in April, but rainfall is concentrated from January to March (55% of the total wet season). As a result, after the wet season ends, it is unlikely that months in the rest of the year (water inflows in the wet season represent 70% of the total for the year) will compensate for a drier summer. During the dry season (from mid-fall to early spring in Brazil), reservoirs are expected to deplete by close to 30pps. Consequently, based on the demand forecast of the National Operator of the Electricity System (ONS) and assuming that the current hydrology (~70% of the long-term average) will be maintained and that no additional thermal dispatch is required, we expect reservoir levels to stand at ~35% at year-end 2024 and ~20% in 2025. These numbers are tight, thus suggesting that additional thermal dispatch would be desirable, in our view. How much more thermal generation would be needed? Reservoirs are at 71% of their maximum capacity, leading to a comfortable supply-demand balance. Moreover, although the ONS/EPE/CCEE estimate that demand will increase 3.9% YoY in 2024 (a strong figure), we see no problems in meeting it, considering the ~33% excess supply (firm capacity) in the system. Yet, we believe the operator should be conservative to reduce the risks related to poor hydrology in the next wet season (2024/2025), especially because hydroelectric energy still represents 54% of Brazil´s total firm capacity, while intermittent sources provide another 19% of firm capacity— the latter cannot generate energy 24/7 and might be replaced during peak hours. As a result, in our base-line scenario, we believe that, ideally, 9 GW of average thermal generation would be required to guarantee a decent cushion for reservoirs in the 2024/2025 and 2025/2026 wet seasons. In a bear case, we estimate that ~14 GW would be required to keep reservoirs at a reasonable level until YE 2025. How does this affect prices? Assuming our base case that an average of 9 GW of thermal generation will be required to meet demand, we arrive at R$150–R$199 per MWh of marginal cost (including Angra I and II). In our bear scenario, we estimate potential thermal generation of 12 to 14 GW (as seen in 2021, another dry year, when hydrology in the wet season was close to 60% of the long-term average) and marginal cost of R$280–R$330 per MWh. This thermal dispatch and its larger impacts on prices might be more prominent in late winter (as a result of higher depletion in reservoirs) and when demand picks up again (October and November) as a result of higher temperatures, before the wet season’s full potential reaches the system (inflows typically improve reservoir levels as of December). Our take? Volatility is expected; prices for bilateral contracts could be sustained and thermal dispatch should be higher than in 2023. After considering the possible scenarios for hydrology in the 2024/2025 wet seasons, we expect more thermal dispatch starting in May (from 9 GW to 14 GW, depending on hydrology, vs. 7 GW in 2023) and a potential increase in spot prices (reflecting the higher dispatch, especially when demand starts to peak again). As the spike in spot prices will likely persist and the outlook for hydrology in 2025 is uncertain, we believe prices for energy contracts could be sustained at higher levels in the mid-term. We see this scenario as likely positive not only for Eletrobras (ELET3/ELET6; TP R$ 54.40/59.40; Outperform) but also for Eneva (ENEV3; TP R$ 15.80; Outperform). q Carolina Carneiro u+55 11 3175 4266 ncarolina.carneiro@safra.com.br Da Daniel Travitzky Ca +55 11 3175 4352 daniel.travitzky@safra.com.br +5 ca Mario Wobeto +55 11 3175 9327 mario.wobeto@safra.com.br +5 da Have you seen the hydrology? How dry was last summer? After 2001 (when water rationing was in effect), the 2024 summer was the fourth worse in terms of hydrology (from January to March, which corresponds to 55% of the entire wet season), beaten only by 2014 and 2015, which were also excessively dry years (with super-high thermal generation, totaling more than 15 GW in operation). Thankfully, in 2024, reservoirs are starting the dry season at comfortable levels (71% of maximum capacity) and the system has more excess capacity (from renewables) to support a better supply-demand balance in YE2024, but the scenario is clearly not ideal. Figure 1: Summer hydrology (ENA, % of long-term average) – 2000-2024 88% 86% 104% 100% 95% 87% 89% 81% 77% 64% 2001 91% 86% 86% 81% 77% 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 75% 2016 2017 68% 65% 62% 59% 61% 81% 79% 2018 2019 2020 2021 62% 2022 2023 2024 Source: National Operator of the Electricity System (ONS) and Safra. Why is this a big problem? Once the wet season ends (April), reservoir levels usually start to decline sharply (as shown in Figure 2) by around 30% from April to November. This would not be a problem if the system could count on significant dispatchable energy sources to replace hydroelectric energy when reservoir levels are lower. Although hydroelectric energy has lost share in terms of total capacity (from 68% in 2016 to 46% in 2024), it still accounts for 54% of the system’s firm capacity, while thermal generation represents only 19% of firm capacity (with a potential decline in its share from 2024–2028 because the operating authorization of several thermal units will expire, and some will be considered fully depreciated). Consequently, in a scenario of much lower reservoir levels and still-timid hydrology (depending on the next wet season), the operator might be conservative and save water from reservoirs during the winter, in our view. Figure 2: Depletion of power reservoirs from April - November 42% 41% 34% 44% 32% 42% 42% 35% 33% 31% 27% 24% 26% 25% 22% 23% 20% 16% 15% 22% 23% 19% 18% 7% 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Source: National Operator of the Electricity System (ONS) and Safra. 2 Figure 3: Share of different sources in the matrix (installed vs. firm) Share (GW) - Installed Capacity Share (GWm) - Firm Capacity 9% 16% 41% 16% 26% 22% 19% 14% 69% 68% 54% 46% 2016 Hydroelectric 2016 2024 Thermal Intermittent power supplies Hydroeletric 2024 Thermal Intermittent power supplies Source: National Operator of the Electricity System (ONS), companies and Safra. How bad could it be for reservoirs? Demand vs. supply in balance, but could risks be higher? As mentioned previously, reservoirs are at 71% of their maximum capacity, leading to a comfortable supply-demand balance for the next few months until we get to the next wet season and establish the scenario for 2025. On the demand side, ONS/EPE/CCEE recently revised their demand estimates up to 3.9% YoY in 2024— a strong figure—, basically because 1Q24 was hotter than usual, leading to much higher electricity consumption (cumulative demand growth of 6.9% from Jan-Mar 2024). Yet, we see no problems in meeting such demand, as there is ~33% excess supply (firm capacity) in the system. In any event, we believe the operator should be conservative to reduce risks related to poor hydrology in the next wet season (2024/2025), especially if hydrology remains weak. If hydrology repeats the poor 61% of the long-term average seen from December to March, reservoirs would be below 20% of their maximum capacity by December 2024. If ONS maintains a mild 5 GW of thermal power in operation, the situation in 2025 would be very risky, in our view, even if hydrology improved to 80% in the 2025 summer. How much more thermal power are we talking about? As we believe the ONS should adopt a conservative operation mode after such a dry summer, in our base-line scenario, where we assume hydrology at 71% of the long term average (average hydrology from October to April), we believe 9 GW of average thermal generation would be required to guarantee a decent cushion for the reservoirs in the 2024/2025 and 2025/2026 wet season (reservoirs at 40% of their full capacity by December 2024 and December 2025). In a bear-case scenario, we estimate that at least ~12 GW in thermal generation would be required to sustain reservoirs at reasonable levels until YE 2024 (close to 40%). However, close to 14 GW would be required if hydrology remains weak in 2025 (in a scenario of poor hydrology, if the 12 GW thermal generation is maintained, reservoirs would deplete to 20% by YE 2025). Alternatively, if hydrology returns to 80% of the long-term average, the level of thermals operating could be as low as 4–5 GW for the entire year, thus not pressuring spot prices. For the last five years, the average hydrology of the system has reached a mild 73% (or up to 75% if we use the last ten years as a proxy). Thus, our base-line scenario is more aligned with the figures from the recent past. 3 Figure 4: Hydrology data base (ENA, % per year) 106% 95% 93% 78% 82% 77% 2001 2002 2003 2004 86% 85% 2005 2006 101% 93% 84% 2007 2008 2009 2010 97% 83% 81% 2011 2012 75% 2013 2014 78% 69% 2015 2016 2017 77% 2018 84% 78% 68% 69% 67% 2019 2020 2021 2022 2023 Source: National Operator of the Electricity System (ONS) and Safra. Figure 5: Reservoir scenarios 100% 80% 60% 40% 20% abr-23 jul-23 out-23 jan-24 61% inflow (bear) abr-24 jul-24 out-24 jan-25 abr-25 80% inflow (bull) jul-25 out-25 71% inflow Source: Safra estimates. What about costs? Assuming that an average of 9 GW of thermal generation will be required to meet demand in our base case, we reach a marginal cost of R$150–R$199 per MWh (including Angra I and II). If generation surpasses 15 GW, this cost will increase to R$350 per MWh. On November 14, when the system was operating 17 GW in thermal generation to meet a peak in demand, this cost surpassed R$400 per MWh. Thermal generation was commonly used to meet demand in past hot spring/summer seasons. Still, the game-changer for the current price dynamics, in our view, is the introduction of hourly spot prices, which now allow customers (and the market) to see the practical impacts of the operation’s requirements and reflect the higher costs of the operation timelier. As a result, although there is technically excess capacity supply, sometimes it is necessary to use more expensive sources to meet demand. Figure 6: Thermal concentration chart per CVU – MW and R$ / MWh 405 325 283 210 171 9 GW 10 GW 12 GW 14 GW above 17 GW Source: National Operator of the Electricity System (ONS), Safra estimates. 4 Figure 7: Spot price volatility 900 Spot energy prices (R$/MWh) 800 700 600 500 400 300 200 100 Average Max Oct-23 Mar-24 May-23 Jul-22 Dec-22 Feb-22 Apr-21 Sep-21 Nov-20 Jan-20 Jun-20 Aug-19 Oct-18 Mar-19 May-18 Jul-17 Dec-17 Feb-17 Apr-16 Sep-16 Nov-15 Jan-15 Jun-15 Aug-14 Oct-13 Mar-14 May-13 Jul-12 Dec-12 Feb-12 Apr-11 Sep-11 Nov-10 Jan-10 Jun-10 0 Min Source: National Operator of the Electricity System (ONS), Safra estimates. How can we play this scenario? We prefer ELET and ENEVA. After considering the possible hydrology scenarios for the 2024/2025 wet seasons, we expect more thermal dispatch starting in May/June (from 9 GW to 14 GW, depending on hydrology, vs. 7 GW in 2023) and a potential increase in spot prices (reflecting the higher dispatch, especially when demand starts to peak again) by 3Q24. As the spike in spot prices will likely persist into 4Q24 and the outlook for hydrology in 2025 is uncertain, we believe prices for energy contracts could be sustained at higher levels in the mid-term. We cannot affirm that the prices of large contracts in effect from 2025–2028 will be supported at levels as high as R$150 per MWh (as indicated by certain trading platforms); however, we could see upward pressure on shorter (and smaller) contracts because of hydrology. We see this scenario as likely positive not only for Eletrobras but also for Eneva. We present a sensitivity analysis of EBITDA in a scenario of higher thermal dispatch for Eneva (+5pps vs. our base case of 45% dispatch for 2024) and for Eletrobras (additional R$10 per MWh to 2024/2025 prices). Both companies will benefit from the above-mentioned scenario if weaker hydrology persists. Figure 8: Sensitivity GenCos Eletrobras Eneva EBITDA 2024 1.0% 1.2% EBITDA 2025 1.4% 1.1% NPV/sh 0.20 0.10 Var/sh 0.4% 0.6% Source: Safra estimates. 5 ANALYST DISCLOSURES 1. The analyst responsible for preparing this document, highlighted in bold, hereby certifies that all opinions expressed in this report accurately, solely and exclusively reflect his/her personal views and opinions regarding all of the issuers and securities analyzed herein and were provided in this document independently and autonomously. 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The securities analyst(s), their respective spouse(s) or partner(s) hold, either directly or indirectly, any financial interest in the issuers of the securities analyzed in this report. 6 IMPORTANT INFORMATION ABOUT SAFRA Safra Corretora and/or its affiliates declare that they (i) have significant financial and commercial relationships with and/or (ii) receive compensation for services rendered to the following company(ies) and investment fund(s): 051 Agro Fazendas II Fiagro-Imobiliário - 1ª emissão, Aché Farmacêuticos, Águas do Rio, AJ Malls FII - 1ª Emissão, Alfa Holdings S.A., Aliança Agrícola do Cerrado S.A., Alianza Trust Renda Imobiliária FII - 6ª emissão, Alianza Urban Hub Renda FII - 3ª Emissão, Almacenes Éxito S.A., Artemis FII - 1ª Emissão, ARX Dover Recebíveis - 2ª Emissão, Asset Bank Agronegócios Fiagro - 1ª Emissão, Atacadão S.A., AZ Quest Infra-Yield II - 1ª Emissão, B3 S.A., Banco Alfa de Investimento S.A., Banco BTG Pactual, Banco GM, Bloxs Amazon Green Legacy Fundo de Investimento nas Cadeias Produtivas Agroindustriais – Fiagro Imobiliário - 1ª emissão, Bocaina Infra FIC-FI RF - 4ª Emissão, BRF S.A., Banco BTG Pactual, BTG Pactual Dívida Infra FIC Crédito Privado , BTG Pactual Logística FII - 12ª Emissão, Buena Vista US High Income ETF Fundo de índice, Camil Alimentos S.A., Canuma Capital FII, Canuma Capital Multiestratégia, Capitânia FIC FI Infra Renda Fixa CP - 5ª Emissão, Capitânia Shoppings FII - 3ª Emissão, Cartesia Recebíveis Imobiliários FII, CashMe, Cemig Distribuição S.A., Cereal Comércio Exportação e Representação Agrícola S.A., Clave Índices de Preços FII - 2ª Emissão, CM Hospitalar S.A., Companhia de Saneamento Básico do Estado de São Paulo, Consórcio Alfa de Administração S.A., COPEL - Companhia Paranaense de Energia, Cosan S.A., CSHG Logística FII - 9ª emissão, CSN - Companhia Siderúrgia Nacional, CTEEP - Companhia de Transmissão de Energia Elétrica Paulista, Cyrela Brazil Realty S.A. Empreendimentos e Participações, DASA - Diagnósticos da América S.A., Direcional Engenharia S.A. , Ecoagro I FIAGRO - 6ª Emissão, Ecoagro I Fiagro Imobiliário - 4ª emissão, Ecovias do Cerrado, Eletrobras, Energisa S.A.,Energisa Tocantins - Distribuidora de Energia S.A., Engie Brasil Energia S.A., EQI Recebíveis Imobiliários FII - 2ª Emissão , Equatorial Goiás Distribuidora de Energia S.A., Exes Araguaia Fiagro - 3ª emissão, Exes Araguaia FIAGRO - 4ª Emissão, F3 Fundshares FIM - 1ª emissão, Farmácia e Drogaria Nissei, Fator Veritá Multiestratégia FII - 1ª Emissão, Ferrari Agroindustria S.A., FG Agro Fiagro - 3ª Emissão, Fiagro Asset Bank - Terra Investimentos, Financeira Alfa S.A., Foox URE - BA Ambiental, FS Indústria de Biocombustíveis, Fundo de Investimento Imobiliário Atrio Reit Recebiveis Imobiliarios, Furnas Centrais Elétricas, Gazit Malls FII - 2ª Emissão, Genial Malls FII - 5ª Emissão, GGR Covepi FII - 6ª Emissão, GLP Capital Partners Gestão de Recursos e Administração Imobiliária Ltda., Greenwich Agro FIAGRO - 2ª Emissão, Grupo José Alves, Grupo Nós, Grupo Pão de Açúcar , Guardian Logística FII - 5ª Emissão, Hedge Brasil Shopping FII - 9ª Emissão, Hedge TOP FOF FII - 15ª Emissão , HSI Malls FII - 3ª Emissão, Hypera S.A., Igua Rio de Janeiro S.A., Iguatemi S.A., Inter Amerra Fiagro-FII - 1ª emissão, Inter Desenvolvimento FII - 1ª Emissão, Ipiranga Agroindustrial, Ipiranga Produtos de Petróleo S.A., Itaú Asset Rural Fiagro - 3ª emissão, Jasc Renda Varejo Essencial FII - 4ª Emissão, JBS S.A., JBS USA Lux / JBS USA Food Company / JBS Luxembourg, JGP Crédito Fiagro - 2ª Emissão, JS Ativos Financeiros - 2ª Emissão, JSL S.A., Kallas Incorporações e Construções S.A., Kinea Crédito Agro FIAGRO-Imobiliário - 4ª emissão , Kinea Hedge Fund FII - 2ª Emissão, Kinea Oportunidades Real Estate FII - 1ª Emissão, Kinea Unique HY CDI FII - 2ª emissão, Lavvi Empreendimentos Imobiliários S.A., Life Capital Partners FII - 4ª emissão, Life Capital Partners FII - 5ª Emissão, Localiza Rent A Car S.A., Log Commercial Properties, LOGCP Inter FII 3ª Emissão, LWART Soluções Ambientais, Marfrig Global Foods S.A., Mauá Capital Hedge FII - 3ª emissão, Mav Crédito - Fiagro Imobiliário - 1ª emissão, Maxi Renda FII - 8ª emissão, Maxi Renda FII - 9ª Emissão, Minerva S.A., Mobilize Financial Services, More Recebiveis Imobiliarios FII, Movida Participações S.A., MRV Engenharia e Participação S.A., Multiplan Empreendimentos Imobiliários S.A., NCH Recebíveis do Agronegócio - FIAGRO Imobiliário - 3ª Emissão, Nex Crédito Agro Fundo de Investimento - 1ª Emissão, Nortis Incorporadora e Construtora S.A., Oncoclínicas do Brasil Serviços Médicos S.A., Onda Desenvolvimento Imobiliário FII - 1ª Emissão, One Innovation Empreendimentos e Participações S.A., Órama High Yield FII - 2ª Emissão, Ourinvest Innovation Fiagro Imobiliário - 2ª emissão, Parsan S.A., Patrimar Engenharia S.A., Pedra Agroindustrial, Raia Drogail, Raízen Energia S.A., RBR Crédito Imobiliário Estruturado - 6ª Emissão, RBR Plus Multiestratégia Real Estate FII - 3ª emissão, RBR Premium RI FII - 2ª Emissão, Rede D'OR São Luiz S.A., Rio Bravo ESG FIC FI Infra - 2ª Emissão, Rio Bravo Renda Varejo RVBA, Riza Akin Fundo de Investimento Imobiliário FII, Riza Terrax FII - 3ª Emissão, Riza Terrax FII - 4ª Emissão, Santander Papéis Imobiliários FII - 1ª Emissão, Sendas Distribuidora, SFI Investimentos do Agronegócio - Fiagro - 2ª emissão, Simpar S.A., SLC Agrícola S.A., Sparta Fiagro Cadeias Produtivas Agroindustriais 2ª emissão, Sparta FIC FI Infra - 5ª Emissão, Sparta Infra FIC FI - 2ª emissão, SPX Syn Multiestratégia FII - 2ª Emissão , Stonex MB Crédito Agro FIAGRO - 2ª Emissão, Suno Multiestratégia FII - 2ª Emissão, Suzano S.A., Tellus Rio Bravo Renda Logística FII - 6ª Emissão, TG Ativo Real FII - 12ª Emissão, 7 Transmissora Aliança de Energia Elétrica, Transportadora Associada de Gás S.A., TRX Real Estate FII - 9ª Emissão, Unidas Locações e Serviços, Unidas Locadora, Unimed Investcoop Nacional FII - 3ª emissão, Urca Prime Renda FII - 8ª emissão, Valora CRA - Fiagro - 4ª emissão, Valora Hedge Fund FII - 6ª Emissão, Vamos Locação de Caminhões, Máquinas e Equipamentos S.A., VBI Greenpower FII - 1ª emissão, VBI Logística, VBI Real Estate Gestão de Carteiras S.A., Vera Cruz Three - 1ª Emissão, Vinci Shopping Centers FII - 10ª Emissão, Vitru Brasil Empreendimentos, Participações e Comércio S.A., Vox Capital Regai FIP 1ª Emissão, XP Crédito Agrícola Fiagro - 4ª emissão, XP Infra II FIP - 4ª Emissão, XP Malls FII - 9ª Emissão. 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