Table 3. Runner Replacements: Uprates.
| Powerplant | Units | Year Replaced |
Unit Upgrade Percent |
Reasons for Uprate |
|---|---|---|---|---|
| Hoover | A5 - A7 | 1978 | 24 | Age; lowered design head |
| Hoover | A1, A2, N5 - N7 | 1980 | 36 | Age; lowered design head |
| Hoover | A8 | 1983 | 21 | Age; lowered design head |
| Coulee | LS1 & 2 | 1983 | 31 | Age; wider head range |
| Hoover | N1 - N4 | 1985 | 28 | Wear; increased head |
| Flatiron | 1 & 2 | 1986 | 40 | Age: increase power |
| Hoover | N8 | 1992 | 41 | Age; lowered design head |
Revised October 5, 2004 Hydropower Site Map Help