Cumberland Power Plant

Cumberland Power Plant
Cumberland Power Plant at Cumberland City

Cumberland Power Plant is a 2.6-GW pulverized coal-powered power station located at 36°23′29″N 87°39′17″W / 36.39139°N 87.65472°W / 36.39139; -87.65472Coordinates: 36°23′29″N 87°39′17″W / 36.39139°N 87.65472°W / 36.39139; -87.65472 in Cumberland City, Tennessee, USA, on the south bank of Lake Barkley on the Cumberland River. Owned and operated by Tennessee Valley Authority (TVA), it produces the most electricity of all plants in the TVA system.[1]

Contents

Tall chimneys

It has one of the tallest chimneys in the world at 1,001 feet (305 m), built in 1970.

Individual units

Its identical Units 1 and 2, rated at 1.3 GW each, were launched into service in March and November, 1973.[2] In 2004, the two units accounted for almost 12% of TVA's total electricity generation.[1]

Coal delivery

Bituminous coal is delivered by barges along the Cumberland River waterway. The plant consumes about 20,000 tons of coal a day.[1]

Water use

All of the waste heat is dumped into Cumberland River water.

Pollution and releases into environment

Toxic release inventory from Cumberland power plant for 2005.[3] All quantities are in pounds.
Pollutant Air Water Land Offsite disposal Total
Antimony compounds 39 178 8,947 0 9,164
Arsenic compounds 182 119 46,096 0 46,397
Barium compounds 142 0 279,200 25 279,367
Beryllium compounds 10 0 9,952 1 9,963
Cadmium compounds
Chromium compounds 368 142 87,420 7 87,937
Cobalt compounds 63 89 19,887 1 20,040
Copper compounds 286 6,798 64,120 3 71,207
Lead compounds 253 0 59,122 3 59,378
Manganese compounds 558 33,864 177,130 18 211,570
Mercury compounds 240 0 346 0 586
Nickel compounds 516 2,504 98,180 6 101,206
Selenium compounds 2,501 2,075 6,573 0 11,149
Silver compounds
Thallium compounds 36 0 30,200 2 30,239
Vanadium compounds 290 0 191,560 13 191,864
Zinc compounds 2,006 2,447 248,070 12 252,534
Hydrochloric acid (aerosol) 340,006 0 0 0 340,006
Hydrogen fluoride 72,006 0 0 0 72,006
Sulfuric acid (aerosol) 8,793,606 0 0 0 8,793,606
Benzo(g,h,i)perylene 0.21 0 0.65 0 0.87
Dioxin 0.008 0 0 0 0.008
Polycyclic aromatic compounds 49.8 0 59.2 0.0 109.0
Naphthalene 100 0 0 0 100
Ammonia 3,640 316 0 0 3,956
Nitrate compounds 0 128,879 0 0 132,407

Environmental protection measures

To reduce sulfur dioxide (SO2) emissions, both units at Cumberland use wet limestone scrubbers. To reduce nitrogen oxides (NOx), the units use low-NOx burners as well as selective catalytic reduction systems, which were completed in 2004.[1]

References

External links


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