Understand what TUSD and TE consumption means on the electricity bill

Have you ever noticed the amount of acronyms and values that appear on your electricity bill? Among so many numbers, two charges stand out: TE and TUSD. If you have ever wondered what "TEVOL consumption" means or "what TUSD consumption is on your energy bill," this guide will clarify these questions in a practical and objective way.

Understanding these components is essential for any company looking to optimize operational costs. The good news is that by knowing the structure of your invoice, you can identify real savings opportunities and make more strategic decisions about energy use in your business.

What is TE?

The TE (Energy Tariff) represents the amount charged for the energy actually consumed, calculated in reals per kWh. This component varies according to how much your company uses throughout the month and directly reflects the consumption profile of your operations.

The Energy Tariff is regulated and periodically reviewed by Aneel (National Electric Energy Agency) together with your distributor. When you see the term "tevol consumption" on your bill, it is precisely related to this portion of energy consumption itself.

Understanding TE allows you to identify opportunities to improve processes, optimize usage schedules, and move towards energy efficiency.

What is TUSD?

The TUSD (Distribution System Use Tariff) corresponds to the cost for using the infrastructure that transports energy from the grid to your company. This structure includes utility poles, cables, transformers, substations, and all associated regulatory charges.

The TUSD value appears on the bill separated from the TE to ensure transparency and visibility of what is being paid for grid use, in addition to losses and charges defined by Aneel. The energy distribution companies are responsible for this infrastructure.

For Group A companies (medium and high voltage), TUSD may also include charges related to contracted demand, making this component even more relevant for financial planning.

TE vs. TUSD: differences in practice

Now that you know the basics about TUSD and TE, it is important to understand how these two components differ in your daily operation.

Scope and calculation basis

The calculation of each tariff reveals their main differences, check it out:

• TE: refers exclusively to how much energy your company actually consumed, calculated by the current tariff multiplied by consumption in kWh. It is the "variable" part that directly depends on your usage;

• TUSD: reflects the cost of accessing and using the grid to transport this energy to your company or residence. The calculation also considers consumption in kWh, but may include additional rules that take contracted demand into account, especially for larger consumers.

To make your understanding even easier, the table below summarizes the main differences between TE and TUSD.

Where to see TE and TUSD on your energy bill?

On the electricity bill, TE and TUSD appear highlighted on separate lines to ensure billing clarity. The consumption fields show values in kWh and totals in reals for each component, following the regulatory transparency requirement established by Aneel.

For Group A companies, there may be extra charges related to contracted demand within TUSD. As for Group B (low voltage), there is usually only the unit value per kWh for each component.

Look on your bill for the terms "TE Consumption" and "TUSD Consumption" or variations like "consumed energy" and "distribution system use". These fields are usually on the second page of the bill, along with the breakdown of all charges.

How to calculate TE and TUSD?

The calculation of these tariffs follows a simple logic, but it is important to understand it to properly track your bill:

• TE (R$) = Consumption in kWh x TE Tariff

• TUSD (R$) = Consumption in kWh x TUSD Tariff + any additional charges

Medium and large companies also need to pay attention to maximum demand parameters to avoid unexpected costs due to consumption profiles during critical hours.

TE, TUSD, and tariff flags: how do they relate?

The tariff flags are a mechanism triggered by Aneel to signal higher energy generation costs during certain periods. When active, they mainly impact the TE, increasing the value of the kWh consumed that month.

TUSD, on the other hand, generally remains stable even during yellow or red flag periods. This behavior reinforces the importance of monitoring and adapting energy use precisely during the most sensitive months from a tariff standpoint.

Companies that follow the flags calendar are able to anticipate increases and adjust production processes, shifting high-consumption activities to more favorable hours or periods.

How to pay less on TE and TUSD?

Reducing electricity costs requires strategy and knowledge of your bill's components. Check out the main actions your company can take:

• Improve the efficiency of equipment and processes;

• Evaluate migrating to the Free Energy Market;

• Optimize usage during lower-cost hours;

• Review contracts periodically.

Reduce costs with the Free Energy Market

After understanding what TE and TUSD are and how these components impact your bill, the next step is to find out how much your company can actually save.

If your company consumes 500 kW or more per month, migrating to the Free Energy Market can generate significant savings on energy tariffs. In this modality, you negotiate directly with suppliers and get more competitive conditions than in the regulated market. Want to know how it works, what the requirements are, and if it is worth it for your business? Check out our complete guide on the Free Energy Market and discover all the advantages of this modality.