WNP-1 and WNP-4

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WNP-1 and WNP-4 were, along with the Columbia Generating Station (formerly called WNP-2) and WNP-3 and WNP-5, two of the five nuclear power plants on which construction was started by Energy Northwest in the 1970s. In the end, WNP-1 was mothballed when 63% constructed, WNP-3, -4, and -5 abandoned, and only the Columbia Generating Station was completed and operated. WNP-1 and -4 are located on the Hanford Reservation in the U.S. state of Washington.

WNP-1 and -4 are located on 972 acres (3.93 km2) approximately 1.5 miles (2.4 km) east of the Columbia Generating Station.

The five reactors were all pressurized water reactors except for the Columbia Generating Station. WNP-1 and -4 were being manufactured by Babcock and Wilcox (as were the Three Mile Island reactors and the two now planned to be completed at the Bellefonte Nuclear Generating Station).

A 2002 study concluded that restarting construction on WNP-1 was technically feasible but not cost-effective. As a result, Energy Northwest requested termination of the construction license which was received on February 8, 2007.[1]

However, TVA has revived its terminated construction license for two similar partially completed power plants at the Bellefonte Nuclear Generating Station and has decided to proceed with staffing and long lead item ordering for completion of Unit 1.[2] This would indicate that a more up-to-date study on completion of WNP-1 is needed.[who?]

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