Visiting Energy Northwest

​​Energy Northwest's Richland offices 

Multi-Purpose Facility - 3000 George Washington Way, Richland, WA 99354

Morrison Energy Center - 345 Hills St. Richland, WA 99354

Applied Process Engineering Laboratory -  350 Hills Street, Suite #101, Richland, WA 99354

Columbia Generating Station 

PLEASE NOTE:  Columbia Generating Station is a high-security area. ​All visitors must be pre-authorized. Certain items are prohibited inside a 1.2 mile radius of Columbia. Please review the Policies section below - specifically, the Restricted Items section. ​

The address is 76 North Power Plant Loop, Richland, WA 99354. 


All visitors to Columbia Generating Station must read and adhere to the following:​


All visitors must be pre-authorized.​ For entering Columbia Generating Station's protected area, visitors must have valid picture identification.  For U.S. citizens, a valid driver’s license or passport are acceptable forms of identification. All foreign nationals must be pre-aurthorized and have a valid passport with them.


Visitors entering Columbia Generating Station's radiologically controlled area should be aware of clothing guidelines. Natural-fiber clothing such as 100% cotton, wool or denim are preferred. Polyester, rayon, acrylic, nylon, corduroy and other synthetic materials and blends should not be worn inside Columbia. For safety reasons, clothing should be free of rips, tears and fringe. Shoes should have leather uppers and cover the toes. Heels, open-toed shoes, sneakers or sandals are not appropriate inside Columbia.

Other visitors should dress appropriately for a corporate work environment. Clothing that advertises alcohol, tobacco or drugs or that contains obscene, profane, discriminatory, provocative, or inflammatory words or pictures, or that contains threatening language or promotes violence, is not appropriate.​


For entering Columbia Generating Station's radiological area, leather uppers or shoes constructed of sturdy materials are required. Tennis shoes, high heels, sandals and open-toed​ shoes or open heels are not allowed, except for in Energy Northwest office areas.

 Cameras and Cell Phones

​Cameras and cell phones are allowed at all EN projects, with the exception of Columbia Generating Station’s protected area due to heightened security and sensitive​ equipment. Phones may be left in your vehicle, at your workstation or with your escort if you need to enter protected areas.

 Restricted Items

Certain items are prohibited on all Energy Northwest property, and are a misdemeanor under Benton County Ordinance #225, which includes the parking lots and vehicles in those lots. Prohibited items include firearms, ammunition, explosive devices, incendiary devices, self-defense sprays (such as mace), alcoholic beverages, street drugs and non-prescription controlled drugs. 

Prescription drugs and over-the-counter medications are allowed. 

Pets, with the exception of service dogs, are not allowed.

 Tobacco Use

Use of tobacco products is allowed only in designated areas.

Tri-Cities Map

Tri-Cities Map

Visitor's Guide

2023 Visitor Guide.pdf