Power Supply Outlook Update
A snapshot of Northwest power supply and electricity demand
Columbia River Runoff volume forecast
Updated biweekly between December and July
January to July runoff at the Dalles Dam is at 95% of the 30-year average from 1981-2010.
For more narrative information, see the National Weather Service Northwest River Forecast Center. For more data including runoff history, see BPA Hydrology.
| Figures in million acre-feet | Low | Avg | High |
| Current forecast (2013-06-17) | 96 | ||
| 30-year history (1981-2010) | 53 | 101 | 159 |
Reservoir elevations and flows
Updated daily
Elevations for major U.S. reservoirs
River flow at key Lower Snake and Columbia dams
Power flow in and out of the region
Updated daily (current period 19MAY13-17JUN13)
This shows how much average power has been imported and exported in the last 30 days.
For more information, see Bonneville's intertie analyses
| Intertie | Avg power flow | Direction |
| California (AC+DC) | 5345 mw | export to California |
| Canada (BC) | 135 mw | export to Canada |
| Total | 5480 mw | export |
Acronyms and glossary
- DSI - Direct Service Industry, like aluminum processors
- intertie - high-voltage transmission lines connecting the Northwest to other regions
- KCFS - thousand cubic feet per second
- load - demand
- MAF - million acre-feet
- MW - megawatt
- NMFS - National Marine Fisheries Service