Visiting Energy Northwest

​​​​​Welcome to Energy Northwest. Please see our Visitors Guide below to help make your time at our facilities smooth and enjoyable. 

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. 

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


Since our projects are operating electrical generation facilities, there are a number of safety rules and guidelines in place. All visitors must read and adhere to the following:​


Each person 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-authorized and have a valid passport with them.


Energy Northwest dress code is business casual, with jeans on Thursdays.

If you will be entering a radiologically controlled area of Columbia Generating Station, additional clothing requirements follow. It is important that you wear natural fiber clothing rather than polyester or acrylic. Synthetic materials are typically found in the nylon in slips or windbreakers; acetates in coat linings; polyester or cotton/poly blends in slacks and shirts; women’s panty-hose; and wool/polyester blends in slacks and suits. Corduroy is also unacceptable. Examples of acceptable materials include; 100% cotton, wool, or denim.  

Shorts are not allowed.


For visiting Columbia Generating Station, 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

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Visitor's Guide

Download Visitor's Guide​​