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Boilers demolished at decommissioned power plant in Arizona

March 4, 2021 GMT

PAGE, Ariz. (AP) — A contractor used more than 1,000 pounds of explosives to demolish the Navajo Generating Station’s three 245-foot-tall boilers.

The coal-fired power plant near the Arizona-Utah border shut down in 2019 and three 775-foot concrete stacks were imploded in December.

The boiler demolition was part of Salt River Project’s continuing decommissioning of the nearly 50-year old coal-fired power plant near the Arizona-Utah border that ceased operation in November 2019.

SRP officials said each of the massive 20,000-ton boilers and support structures rolled to the ground east of the power plant in just 10 seconds following detonation Wednesday.

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Once the boiler debris is cleared away, next to be demolished will be the plant’s three-unit turbine block where electricity was made.

The owners of the generation station decided to close the 2,250-megawatt plant as natural gas became a cheaper source of energy.

The plant once provided electricity to Arizona, Nevada and California, but its customer base dwindled as states decided against using coal-fired power.

The plant also provided electricity to send Colorado River water through a series of canals to Arizona’s major metropolitan areas.