Work on the underwater tower and fish collection facility was substantially completed Dec. 3, after PGE made the final connections between major tower components, and fish have begun entering the system.

The first major migration of fish is not expected until February, but dozens of juvenile fish have already followed currents created by the tower and have been transported downstream by PGE biologists.The tower is now undergoing testing, which is expected to continue until mid-January. Read the rest of this entry.