20-F: SABESP Reports Strong Financials Amid Privatization Transition

Companhia de Saneamento Básico do Estado de São Paulo (SABESP) filed its annual report on Form 20-F for the fiscal year ended December 31, 2025, detailing its financial performance, operational updates, and strategic initiatives following its privatization.

Summary

• SABESP's operating revenue for the year ended December 31, 2025, increased by 5.4% to R$38,092.1 million, driven by a net price increase and growth in billed volume.
• Operating costs saw a significant increase of 44.5% to R$23,991.7 million, primarily due to higher construction costs related to investments in universalization targets.
• Profit for the year decreased by 11.7% to R$8,462.1 million, impacted by increased operating costs and a reduction in financial income/(expenses).
• The company's capital expenditure program is substantial, with R$15.2 billion invested in 2025, and a total of approximately R$70 billion planned from 2024 to 2029.
• SABESP completed significant financing activities, including a US$1.5 billion loan agreement and a US$1.35 billion Blue Bond issuance, intended for universalization projects.
• The company is actively pursuing strategic acquisitions, including the EMAE acquisition and the acquisition of Sanessol, to expand its operational footprint.
• SABESP's privatization process, completed in July 2024, has led to a dispersed ownership structure, with the State of São Paulo retaining an 18.00% interest and Equatorial S.A. becoming a reference shareholder.
• The company reported a material weakness in its internal controls over financial reporting related to information technology general controls (ITGC), which did not result in any identified misstatements to the consolidated financial statements.
• SABESP's customer satisfaction rate was 82% in 2025, with a Net Promoter Score (NPS) of 47, indicating strong customer loyalty.
• The company is focused on innovation, with significant investments in RD&I projects and the implementation of advanced technologies like ultrasonic meters and AI-based solutions.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this filing as cautiously positive. While there are significant investments and associated cost increases, the revenue growth, strategic acquisitions, and commitment to universalization targets are strong positives. The identified material weakness in internal controls is a point of attention, but the overall financial health and forward-looking strategy appear robust.

Positives

• Operating revenue increased by 5.4% to R$38,092.1 million in 2025.
• The company successfully raised significant capital through a US$1.5 billion loan agreement and a US$1.35 billion Blue Bond issuance for universalization projects.
• Customer satisfaction remained high at 82% in 2025, with an improved Net Promoter Score of 47.
• SABESP is making substantial investments in its capital expenditure program, totaling R$15.2 billion in 2025, to meet universalization targets.
• Strategic acquisitions of EMAE and Sanessol are progressing, aiming to expand operational capabilities.
• The company is actively engaged in innovation, with significant RD&I investments and the implementation of advanced technologies.
• SABESP's water loss rate has decreased to 30.5% as of December 31, 2025.
• The company's financial performance is supported by a strong operational revenue base and a commitment to efficiency.

Negatives

• Operating costs increased significantly by 44.5% to R$23,991.7 million in 2025, primarily due to higher construction costs.
• Profit for the year decreased by 11.7% to R$8,462.1 million due to increased operating costs and reduced financial income.
• A material weakness was identified in internal controls over financial reporting related to ITGC, although it did not result in misstatements.
• The company faces risks associated with regulatory changes, potential tariff adjustments, and the need to meet universalization targets by 2029.
• The company has substantial financial indebtedness, which increased by 58.9% in 2025.

Risks

• Ongoing political instability in Brazil and changes in government policies could adversely affect the Brazilian economy and, consequently, SABESP's financial condition and results of operations.
• Exchange rate instability may adversely affect SABESP's foreign currency-denominated debt and its ability to service these obligations.
• Downgrades in Brazil's credit rating could adversely affect SABESP's credit rating and the cost of its indebtedness.
• Failure to comply with the universalization targets established by the Concession Agreement for URAE-1 could lead to reduced tariff adjustments and potential penalties.
• The company is exposed to risks associated with the Concession Agreement for URAE-1, including potential early termination by granting authorities.
• Droughts and extreme weather conditions could materially impact water availability, consumption habits, and consequently, SABESP's business, financial condition, or results of operations.
• New laws and regulations relating to climate change may result in increased liabilities and capital expenditures.
• The dispersed ownership structure resulting from privatization may impact SABESP's ability to efficiently approve certain transactions and could potentially delay critical decision-making processes.
• Cyberattacks and security breaches pose a risk to SABESP's operations, data, and reputation.
• Failure to remedy material weaknesses in internal controls could materially affect the reliability of SABESP's financial statements.

Future Outlook

SABESP anticipates continued investment in its capital expenditure program to achieve universalization targets, supported by operational cash flow and access to financing. The company is focused on expanding its services, improving efficiency, and leveraging innovation and strategic partnerships to drive sustainable value creation.

Management Comments

• "Our strategy is to provide people a better future by delivering essential services with excellence and a firm commitment to public health and the environment. Our aspiration is to become a global leader in basic sanitation, driving a more sustainable society and generating robust, long-lasting value for our shareholders."
• "The EMAE Acquisition represents a strategic milestone for us, delivering benefits on two complementary fronts: Water security and Power Assets."
• "Our customer relationship management maintained its position as a central pillar of our strategy, supporting organizational, digital, and process transformation."

Industry Context

StockSavvy.ai notes that SABESP's filing reflects the ongoing transformation within the Brazilian sanitation sector, driven by the New Legal Framework for Basic Sanitation and the company's privatization. The increased investment in universalization targets and the strategic focus on water security and energy assets align with broader industry trends towards integrated service provision and sustainability.

Comparison to Industry Standards

• SABESP's water loss rate of 30.5% is higher than the industry average in developed countries, which typically aim for rates below 20%. However, it represents an improvement from previous years and is in line with efforts to meet regulatory targets.
• The company's investment in smart metering technology, aiming to deploy 4.4 million ultrasonic meters by 2029, positions it as a leader in AMI (Advanced Metering Infrastructure) initiatives globally within the water sector.
• SABESP's commitment to ESG principles, evidenced by its B3 Green Shares classification, aligns with increasing investor and regulatory focus on sustainability in the utilities sector.
• The company's customer satisfaction rate of 82% and NPS of 47 are competitive within the regulated utility sector, reflecting efforts in customer relationship management and service quality.

Corporate Governance

Legal Proceedings

• The company is involved in various legal proceedings related to civil, tax, labor, corporate, and environmental matters, with total estimated claims of R$1,903.4 million (net of escrow deposits) as of December 31, 2025.
• Significant labor claims include class actions questioning the job and salary plan due to the absence of seniority-based progression, with a provision of R$1,393.4 million.
• Environmental claims are substantial, totaling R$160.5 million (net of escrow deposits), primarily related to alleged environmental damages and requirements for sewage treatment facilities.
• Legal challenges to the privatization process are ongoing, including Actions for the Breach of a Fundamental Precept (ADPFs 1180 and 1182), which were unanimously decided not to be heard by the STF.
• A class action (No. 1050302-17.2024.8.26.0053) sought to suspend the effects of the URAE-1 Concession Contract, but was dismissed without resolution on the merits.

Related Party Transactions

• SABESP provides water and sewage services to the State of São Paulo and its entities, with accounts receivable totaling R$122.5 million as of December 31, 2025.
• The company seeks reimbursement from the State of São Paulo for supplementary pension payments (G0) made on its behalf, with disputed amounts totaling R$1.8 billion as of December 31, 2025.
• SABESP has agreements with public entities for water and sewage services that include a 25% tariff discount, contingent on adherence to the Rational Use of Water Program (PURA).
• Equatorial S.A., a principal shareholder, acquired a 15% stake in SABESP during the privatization process.

Stakeholder Impact

• Shareholders: The privatization and subsequent capital raises and share split are expected to enhance shareholder value and liquidity. Dividend distributions are subject to performance and regulatory compliance.
• Customers: Continued investment in universalization aims to improve service access and quality. Customer satisfaction remains a key focus, with initiatives to enhance digital channels and service delivery.
• Employees: The company has implemented voluntary dismissal programs to optimize its workforce, impacting employee numbers and potentially requiring knowledge transfer. Labor relations are generally satisfactory, with collective bargaining agreements in place.
• Creditors: SABESP's substantial debt levels and financial covenants require careful management to ensure compliance and maintain access to financing.
• Government Entities: SABESP continues to provide services to government entities, with some outstanding receivables and ongoing agreements that include tariff discounts.

Next Steps

• Continue execution of the capital expenditure program, aiming to meet universalization targets by 2029.
• Integrate EMAE and Sanessol operations following acquisitions.
• Implement the 1:5 share split, expected around May 4, 2026.
• Continue to monitor and remediate material weaknesses in internal controls.
• Focus on customer satisfaction and operational efficiency initiatives.
• Manage foreign currency and interest rate risks through hedging strategies.

Key Dates

Recommendation

SABESP's filing presents a mixed picture. While revenue growth and strategic investments are positive, the significant increase in operating costs, a decrease in profit, and the identified material weakness in internal controls warrant a cautious approach. The company's future performance will depend on its ability to effectively manage these costs, integrate its recent acquisitions, and address the identified control deficiencies. The privatization transition and regulatory landscape also present ongoing risks. Therefore, a 'hold' recommendation is appropriate, pending further clarity on the impact of these factors.

Keywords

SABESP, SEC Filing, Form 20-F, Annual Report, Water Services, Sewage Services, Sanitation, Privatization, Financial Results, Capital Expenditures, URAE-1, Equatorial S.A., EMAE, IFRS, Brazil Economy, Regulatory Environment, Cybersecurity, Internal Controls