Hydro Summary Reports
The Hydro Summary Reports provide a monthly analysis of Western Area Power Administrations’ hydrological conditions such as reservoir levels, resulting generation forecasts, and probable purchase power forecasts. The first section of the report summarizes the hydro data for the regions and compares to last year’s data. The next section of the report provides more detailed narrative information for each region.
2026 Hydro Reports
| wdt_ID | Title | Open File | Type | Month |
|---|---|---|---|---|
| 1 | 01-2026 Hydro Conditions and Purchase Power Report | Open File | January | |
| 21 | 02-2026 Hydro Conditions and Purchase Power Report | Open File | February | |
| 22 | 03-2026 Hydro Conditions and Purchase Power Report | Open File | March | |
| 23 | 04-2026 Hydro Conditions and Purchase Power Report | OpenFile | April | |
| 24 | 05-2026 Hydro Conditions and Purchase Power Report | Open File | May | |
| 25 | 06-2026 Hydro Conditions and Purchase Power Report | Open File | June | |
| 26 | 07-2026 Hydro Conditions and Purchase Power Report | Open File | July |
Archived Hydro Reports
| Title | Date | wdt_ID | Open File | Type | Year |
|---|---|---|---|---|---|
| 2017 Hydro Conditional and Purchase Power Report | 10/01/2017 | 10 | Open File | 2017 | |
| 2018 Hydro Conditional and Purchase Power Report | 10/01/2018 | 11 | Open File | 2018 | |
| 2019 Hydro Conditional and Purchase Power Report | 10/01/2019 | 12 | Open File | 2019 | |
| 2020 Hydro Conditional and Purchase Power Report | 10/01/2020 | 13 | Open File | 2020 | |
| 2021 Hydro Conditional and Purchase Power Report | 10/01/2021 | 14 | Open File | 2021 | |
| 2022 Hydro Conditional and Purchase Power Report | 10/01/2022 | 15 | Open File | 2022 | |
| 2023 Hydro Conditional and Purchase Power Report | 12/01/2023 | 16 | Open File | 2023 | |
| 2024 Hydro Conditional and Purchase Power Report | 11/22/2024 | 17 | Open File | 2024 | |
| 2025 Hydro Conditional and Purchase Power Report | 11/24/2025 | 18 | Open File | 2025 |
Last modified on February 3rd, 2026

