The Brazilian Association of Energy Storage Solutions (Absae) was one of the voices heard by PV Magazine Brasil in a report analyzing Conversion Bill No. 10/2025 (PLV 10) and its effects on battery energy storage. According to the association's own announcement, published on November 6, 2025, it sees important advances in the text but also points out areas of concern. The main message is that having dedicated rules for the sector is decisive, and that the way these rules are applied will determine whether projects have legal certainty and the conditions to compete.
What PLV 10/2025 is and why it matters for batteries
A conversion bill arises when Congress amends the text of a provisional measure during its legislative process. Instead of approving the measure exactly as it was submitted, lawmakers incorporate changes, and the result proceeds under this new name. In practice, it is one of the ways in which relevant power sector topics become law.
For battery storage, known by the acronym BESS (Battery Energy Storage System), the relevance of PLV 10 lies precisely in the possibility of creating a specific regulatory framework. Today, battery systems are usually classified indirectly under categories designed for generation or consumption, which raises questions about tariffs, charges, compensation for services and connection rights. Dedicated treatment reduces this ambiguity and allows storage to be recognized for what it does in the system: store energy and return it when it is most needed.
Gains and caveats in Absae's assessment
In the association's view, the bill's central merit is giving storage its own legal basis, something the sector considers essential to unlock investment. At the same time, the organization raises caveats that can be summarized along two lines:
- Legal certainty: clear and stable rules are a precondition for investors and lenders to take on long-term commitments. Without them, regulatory risk raises the cost of capital and may delay decisions.
- Competitiveness: implementation must avoid designs that make storage more expensive than it should be, whether through overlapping charges or requirements that reduce its ability to compete with other solutions.
In other words, Absae signals that approving a framework is only the first step. The content of the subsequent regulation is what will determine whether the text translates into viable projects.
The association's role during the legislative process
The association reports that it is closely following the progress of PLV 10 and has been bringing technical contributions to the debate. Its main advocacy point is the full integration of storage into the power system, that is, batteries should be treated as an asset with their own functions, capable of providing different services to the grid and the market, rather than as an appendage of other sources. This position indicates that the sector intends to keep participating in the next stages, when operational details are defined.
What changes in practice for BESS developers and suppliers
For developers, EPCs, manufacturers and suppliers of battery systems in Brazil, the scenario combines opportunity and caution. Some practical points to watch:
- Developers: the prospect of dedicated rules improves predictability, but business models and financial assumptions should still account for uncertainty about how the regulation will be designed.
- EPCs: it is worth preparing teams and processes for a market that is likely to scale up, while staying flexible to adjust scopes as technical requirements are detailed.
- Manufacturers and suppliers: the competitiveness advocated by Absae directly affects costs and supply conditions; following the implementation rules helps anticipate shifts in demand.
- The whole sector: taking part in the regulatory debate, directly or through associations, is a way to influence the final outcome.
Absae's message is clear: the regulatory framework is decisive, but it will only fulfill its role if accompanied by legal certainty and competitive conditions. Following the regulation of PLV 10 becomes part of planning any storage project in the country.
Original source: ABSAE — Absae é destaque na PV Magazine Brasil em análise sobre o PLV 10 e o armazenamento em baterias