How will Gerdau's full ownership of the Dona Francisca hydroelectric plant impact its long-term energy costs and steel p

What full ownership means for Gerdau

Gerdau is buying out the remaining partners of the Dona Francisca hydro plant to take 100% control. In June 2026 it purchased a 23.03% stake from Copel, building on its existing 51.82% ownership of Dona Francisca Energética (DFESA) [1][5][6][8]. The whole company is valued at R$150 million (about US$27 million) and Gerdau paid in cash from its own resources—so no extra interest costs weigh on the energy bill [2][3].

The plant’s energy contribution

The Dona Francisca plant packs an installed capacity of 125 MW and a firm energy capacity of 72.5 average MW; roughly 66 average MW of that is allocated to DFESA [10][11][12]. Its typical yearly production is around 679 GWh [13]. Now that Gerdau owns the whole company, it can direct all that reliable power to its own steel mills.

Gerdau already self‑generates about half of its own clean electricity [7]. Absorbing the full DFESA output cements that self‑sufficiency figure and pushes the company closer to energy independence.

How this lowers long‑term energy costs

Avoiding market prices. Brazilian industrial electricity isn’t cheap. As of September 2025 the all‑in business price was BRL 0.789 per kWh (roughly BRL 789/MWh), covering generation, transmission, distribution, taxes, and fees [16][17]. For 2026, Fitch Ratings raised its electricity price assumptions; the South region’s base generation price alone is BRL 280/MWh [14]. By using its own hydro output, Gerdau sidesteps most of those market charges.

Regulatory perks for self‑generators. Brazilian rules sweeten the deal: companies that self‑generate can save up to 25 % on their energy tariff by dodging sectorial charges (CDE, CCC, Proinfa) and getting a 50 % discount on transmission and distribution tariffs [9]. Even after covering the plant’s operating expenses, Gerdau’s net cost per megawatt‑hour will be well below what it would pay the grid.

Stable, predictable supply. The plant’s firm energy block of 66 average MW gives Gerdau a steady stream of power year after year [11]. That reliability insulates the company from the volatility and upward creep in Brazil’s electricity market, turning long‑term energy budgeting from a headache into a routine exercise.

Impact on steel production competitiveness

Steelmaking guzzles electricity. Lower and steadier energy costs translate directly into leaner production expenses, letting Gerdau either pocket wider margins or offer more competitive steel prices while staying profitable.

Because the company now generates half its own clean power, it holds a structural cost edge over rivals that still buy most of their electricity from the grid [7]. If market prices keep rising—and Fitch’s bumped‑up assumptions hint they might—that edge will only sharpen [14]. Plus, the plant’s renewable profile supports Gerdau’s decarbonisation strategy, which could help in markets that reward low‑carbon steel [4], although the evidence here doesn’t measure that exact competitive boost.

What the evidence cannot pin down

The available data doesn’t give Gerdau’s total electricity consumption or the exact operating cost of the Dona Francisca plant, so we can’t calculate precise currency savings. Nonetheless, the combination of avoided grid charges, built‑in self‑generation discounts, and a reliable block of hydro power makes it clear: full ownership of the plant will meaningfully trim Gerdau’s long‑term energy bills and give it a stronger hand in Brazil’s steel market.