The Modeling Illusion: Where Value Is Really Lost in Water and Wastewater Concessions

Brazil is embarking on one of the largest infrastructure investment programs in its history.

Achieving universal access to water and wastewater services by 2033 is expected to require investments exceeding R$500 billion, with increasing participation from private capital, institutional investors, and specialized operators.

At first glance, the opportunity appears compelling: regulated assets, long-term concession agreements, predictable revenue streams, and significant unmet demand.

Yet one critical issue continues to be underestimated—even by experienced investors.

Most value destruction does not originate in financial models. It originates in execution.

The Structural Misconception

Most water and wastewater concessions are designed with a high degree of technical rigor.

Feasibility studies are comprehensive, financial models are sophisticated, growth and universalization assumptions are carefully defined, and regulatory frameworks are formally established.

On paper, these projects appear robust.In practice, however, many fail to deliver the value originally anticipated.

This gap is not marginal—it is structural.

Three Primary Drivers of Value Erosion

1. CAPEX That Fails to Become Value

Traditional financial models assume a linear sequence:

Investment → Construction → Customer Connection → Revenue

Reality is considerably more complex.

Projects are delayed or redesigned, construction costs escalate, customer connections occur more slowly than expected, and operational constraints emerge throughout implementation.

The result is a recurring pattern:

Capital is deployed, but value is not fully captured.

2. The Gap Between Infrastructure and Customer Behavior

Infrastructure alone does not guarantee results.

Water and wastewater services are not solely an engineering challenge—they are also a behavioral one.

Even when network infrastructure is available, customers may delay connecting, fail to perceive immediate value, or prioritize other household expenditures.

This disconnect directly affects three critical dimensions:

• Revenue growth

• Collection efficiency and default rates
• Public acceptance and legitimacy of the service

3. Regulation Is Dynamic, Not Static

Financial models frequently assume regulatory stability throughout the concession period.

Reality tells a different story.

As network expansion progresses, social expectations increase, tariff reviews become more politically sensitive, and contractual rebalancing shifts from being an exception to becoming part of the operating environment.

Regulators ultimately respond not to financial models, but to the reality experienced by citizens.

The Governance Challenge

These three drivers expose a broader governance issue.

Boards of Directors and investors still devote considerably more attention to investment approval than to execution governance.

CAPEX decisions are carefully scrutinized.

Execution—the stage where value is ultimately created or destroyed—often receives significantly less oversight.

The Next Frontier: Execution Governance

If Brazil intends to transform this historic investment cycle into sustainable value creation, governance must evolve in four fundamental areas.

1. Integrate Investment Decisions with Execution Capability

Financial assumptions must remain closely aligned with the organization's actual capacity to deliver projects successfully.

2. Monitor CAPEX-to-Revenue Conversion

Investing capital is only the beginning.

Organizations must continuously measure how effectively investments are converted into operational performance, customer connections, and cash generation.

3. Incorporate Customer Behavior into Universalization Metrics

Universal access should no longer be measured solely by network coverage.

It must also reflect effective customer adoption and sustained service utilization.

4. Anticipate Regulatory Dynamics

Regulation evolves in response to social perception and service outcomes—not simply contractual provisions.

Organizations capable of anticipating these dynamics will be significantly better positioned to protect long-term value.

Ignoring these four dimensions carries measurable consequences:

• Higher cost of capital

• Increasing default rates
• Greater regulatory pressure
• Lower efficiency across the investment lifecycle
• Reduced long-term shareholder value

Conclusion

Brazil does not lack infrastructure projects.It does not lack capital.

And increasingly, it does not lack qualified operators.

The challenge has fundamentally changed.

The next competitive advantage lies in transforming investment into sustainable value—consistently, predictably, and at scale.

That outcome will not be determined by financial models.

It will be determined by execution.

About the Author

Luiz Fernando Fabbriani has more than four decades of experience in infrastructure, with leadership roles spanning engineering, water and wastewater utilities, energy, and investment structuring.

In recent years, his work has focused on the intersection of CAPEX governance, operational execution, and value creation, advising executives, investors, and Boards of Directors on how to transform infrastructure investments into sustainable long-term performance.