# Tag: DFESA

- [Gerdau Buys More Power to Protect Its Steel Margins](https://brazilstockguide.com/insights/gerdau-copel-dona-francisca-energy-self-generation/) (2026-06-15): The steelmaker is moving to take full control of Dona Francisca Energética, lifting renewable self-generation to more than half of its electricity needs.