Capital Traction Company Powerhouse, Washington DC

Cedar Falls Hydroelectric Works, Cedar Falls Road, Cedar Falls Washington

Chester Electric Power Station - PECO Energy, Chester Pennsylvania

Delaware Street Tramway Power Sub-Station (Denver Mint Tramway Pressroom), Denver Colorada

Edison Hart Electrical Power Substation, Detroit Michigan

Electron Hydroelectric Project, Electron Washington

Enloe Dam and Hydroelectric Power Plant, Oroville Washington

Middle Creek Hydroelectric Dam, Selinsgrove Pennsylvania

Nooksack Falls Hydroelectric Plant, Glacier Washington

Potomac Hydroelectric Power Plant, On West Virginia Shore of Potomac River, Harpers Ferry West Virginia

Puget Sound Power & Light Company, White River Hydroelectric Project, Dieringer Washington

Shippingport Nuclear Power Station, Shippingport Pennsylvania

Shoshone Hydroelectric Plant Complex, Glenwood Canyon Colorado

Willimantic Linen Company Mill Number 2, Windham Connecticut