ISA Energía Brasil S.A (ISAE4) Fair Value & Analysis
Utilities · BR · Market cap R$17.8B
Fair value as of: Jul 5, 2026
From 17 valuation models · updated 3 days ago
Fair value updated Jul 5, 2026 — revised from R$91.79 to R$57.30 (−37.6%) since Jun 24, 2026. Share price +7.5% over the past month.
Price vs Fair Value (12 months)
12‑month range R$19.02 – R$30.37 · fair‑value band R$37.26 – R$74.11 · the R$27.65 price screens below the R$57.30 fair value. As of Jul 5, 2026.
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ISA Energía Brasil S.A (ISAE4) currently trades at R$27.65, while our model-based Fair Value estimate is R$57.30 — implying the stock looks roughly 107.2% undervalued today. We read business quality at 52/100 (solid quality), in the Utilities sector. Bull case: trading below our estimate, it may offer upside if the fundamentals hold. Bear case: a low price can be a value trap when quality is weak or the data is thin (evidence: high) — always confirm before acting.
Over the trailing twelve months, ISA Energía Brasil S.A generated revenue of R$9.5B at a net margin of 24.7%. Revenue grew 4.1% year over year. It earns a return on equity of 11.3%. Net debt stands at R$14.7B. Fundamentals as of Jul 5, 2026
Our scenario range runs from R$37.26 (bear case) to R$74.11 (bull case); at R$27.65, the current price sits below that range. The share trades about 14% below its 52-week high and 41% above its 52-week low, currently above its 200-day average. For context, the median of 10 Utilities peers we cover trades at -60% fair-value upside — at 107%, ISAE4 screens cheaper than that median.
Key figures & financial health
More key figures
Figures from reported company fundamentals (EODHD) · as of Jul 5, 2026. TTM = trailing twelve months.
About the company
ISA Energía Brasil S.A. engages in the electric power transmission business in Brazil. As of December 31, 2025, it had a total installed transformation capacity of 84,910 MVA together with transmission lines of 23,000 kilometers. It operates in the states of Bahia, Espírito Santo, Minas Gerais, Rio de Janeiro, and São Paulo. ISA Energía Brasil S.A. was incorporated in 1999 and is headquartered in São Paulo, Brazil.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
ISA Energía Brasil S.A reported revenue of R$9.4B in FY2025 versus R$5.5B in FY2021, a compound +14.2%/yr. Reported net income was R$2.4B in FY2025, compounding −5.1%/yr from FY2021.
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10 more Utilities - Independent Power Producers stocks, each showing price versus our Fair Value estimate (as of Jul 5, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Constellation Energy Corporation CEG | $272.65 | $79.23 | -71% |
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| NRG Energy, Inc NRG | $138.91 | $56.02 | -60% |
| Datang International Power Generation Co 601991 | ¥7.93 | ¥3.98 | -50% |
| Adani Energy Solutions Limited ADANIENSOL | ₹1,536 | ₹305.43 | -80% |
| Huaneng Power International, Inc 600011 | ¥7.72 | ¥15.09 | +95% |
| Talen Energy Corporation TLN | $364.74 | $105.78 | -71% |
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Frequently asked questions
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.
Not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.