Hydro One is Ontario’s largest electricity transmission and distribution utility, operating the bulk of the province’s high-voltage grid and serving many local distribution customers. Its business is largely regulated, earning returns on the infrastructure that moves power from generators to homes and businesses. The company is central to reliability, grid maintenance and connecting new generation and load across much of Ontario.
| Quarter | Revenue | YoY % | Earnings | YoY % |
|---|---|---|---|---|
| Q1 2025 | 2,408 | — | 358 | 22% |
| Q2 2025 | 2,066 | — | 327 | 11.3% |
| Q3 2025 | 2,299 | — | 421 | 13.3% |
| Q4 2025 | 2,268 | — | 233 | 17.8% |
| Q1 2026 | 2,648 | 10% | 391 | 9.2% |
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