|Current status||Active |
|Type of facility||Conventional Hydro|
|Mode of hydropower generation||Reregulating|
|Type of permit||FERC License|
|FERC docket #||P-935|
|FERC project name||Merwin|
Ownership and operation
|Owner type||Investor-Owned Utility|
|Year first online (conventional hydro)||1931|
|Transmission or distribution system owner||PacifiCorp|
Power and generating capacity
|Number of units||4|
|Total capacity from hydraulic turbine-generator units within each plant||136.0 mW|
|Average annual net hydropower generation||510,540.1 mWH|
The Merwin Project (P-935) obtained its license in combination with three other projects: Swift No. 1 (P-2111), Yale Project (P-2071), and Swift No. 2 (P-2213). Collectively, these projects have once license and are known as Lewis River Projects.
The Merwin Project is the oldest and most downstream of the Lewis River Projects. It is located on the North Fork of Lewis River in Cowlitz and Clark Counties, WA and includes a concrete arch dam 313-foot-high and 1,252 feet wide.