Distribution was Hydro One’s largest product and service line in fiscal 2025, bringing in $6.56B of $9.04B (73%).
| Product and Service | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Distribution | $5.66B | $5.58B | $6.18B | $6.56B | |||||
| Transmission | $2.08B | $2.21B | $2.27B | $2.43B | |||||
| Other | — | — | $40.00M | $55.00M | |||||
| Other (Note 28) | — | $48.00M | — | — | |||||
| Other Revenue | $43.00M | — | — | — | |||||
| Total | $7.78B | $7.84B | $8.48B | $9.04B |
Hydro One brought in $9.04B from its three product and service lines in fiscal 2025, the year ended December 31, 2025. That was up 6.6% from $8.48B in fiscal 2024. Distribution was the largest at $6.56B (72.5%), ahead of Transmission at $2.43B (26.9%) and Other at $55.00M (0.6%).
Compared with fiscal 2024, Transmission grew 7.1% to $2.43B and Distribution grew 6.2% to $6.56B.
Hydro One began breaking out Other in fiscal 2024, when it brought in $40.00M. Hydro One stopped reporting Other (Note 28) ($48.00M in fiscal 2023) and Other Revenue ($43.00M in fiscal 2022) as separate lines.
Distribution was Hydro One’s largest segment in fiscal 2025, bringing in $6.56B of $9.04B (73%).
| Segment | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Distribution | $5.66B | $5.58B | $6.18B | $6.56B | |||||
| Transmission | $2.08B | $2.21B | $2.27B | $2.43B | |||||
| Other | $43.00M | $48.00M | $40.00M | $55.00M | |||||
| Total | $7.78B | $7.84B | $8.48B | $9.04B |
Hydro One brought in $9.04B from its three segments in fiscal 2025, the year ended December 31, 2025. That was up 6.6% from $8.48B in fiscal 2024. Distribution was the largest at $6.56B (72.5%), ahead of Transmission at $2.43B (26.9%) and Other at $55.00M (0.6%).
Compared with fiscal 2024, Transmission grew 7.1% to $2.43B and Distribution grew 6.2% to $6.56B. From fiscal 2022 to 2025, combined revenue from these segments grew from $7.78B to $9.04B, a compound annual growth rate of 5.1%. Distribution's share held steady at about 72.5%.
Hydro One (HRNNF) reports its revenue by product and service and by segment. In fiscal 2025, Distribution was its largest product and service line, bringing in $6.56B (72.5% of the total), followed by Transmission at $2.43B (26.9%).
Distribution was Hydro One's largest product and service line in fiscal 2025, bringing in $6.56B, or 72.5% of the $9.04B total across its three product and service lines.
Distribution was Hydro One's largest segment in fiscal 2025, bringing in $6.56B, or 72.5% of the $9.04B total across its three segments.
Transmission grew faster than Distribution in fiscal 2025, up 7.1% from $2.27B to $2.43B. Distribution grew 6.2% to $6.56B.
Every figure comes from Hydro One's annual financial filings, as reported. Each line keeps the name Hydro One gives it, and years follow its fiscal calendar.
Hydro One's revenue by product and service goes back to fiscal 2017, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.