Salem Nuclear Power Plant

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Salem Nuclear Power Plant
Salem and Hope Creek Nuclear Reactors (7238282472).jpg
The entire PSEG nuclear complex as seen from the Delaware Bay.
Salem Nuclear Power Plant
CountryUnited States
Location Lower Alloways Creek, Salem County, New Jersey
Coordinates 39°27′46″N75°32′8″W / 39.46278°N 75.53556°W / 39.46278; -75.53556
StatusOperational
Construction beganSeptember 25, 1968 (1968-09-25)
Commission date Unit 1: June 30, 1977
Unit 2: October 13, 1981
Construction cost$4.283 billion (2007 USD) [1]
Owner(s) Constellation Energy (43%)
PSEG (57%)
Operator(s) PSEG
Nuclear power station
Reactor type PWR
Reactor supplier Westinghouse
Cooling source Delaware River
Thermal capacity2 × 3459 MWth
Power generation
Units operational1 × 1169 MW
1 × 1158 MW
Make and model WH 4-loop (DRYAMB)
Nameplate capacity 2327 MW
Capacity factor 88.55% (2017)
70.50% (lifetime)
Annual net output 19,062 GWh (2021)
External links
Website Salem Generating Station
Commons Related media on Commons
[ edit on Wikidata]

The Salem Nuclear Power Plant is a two-unit pressurized water reactor nuclear power plant located in Lower Alloways Creek Township, in Salem County, New Jersey, United States. It is owned by PSEG Nuclear LLC and Constellation Energy.

Contents

In 2019, New Jersey began providing the state's nuclear plants Zero-Emission Certificates worth $300 million a year to keep them in service. The subsidy was ended in 2024, effective June 1, 2025, as the Inflation Reduction Act provides alternative tax credits to support clean energy. [2]

Location

Salem shares an artificial island in the Delaware Bay with the Hope Creek Nuclear Power Plant. [3]

Reactors

The reactors, both PWRs, were built by Westinghouse, and began commercial operation in 1977 (Unit 1) and 1981 (Unit 2). The two-unit plant has a capacity of 2,275 MWe. In 2009, PSEG applied for 20-year license renewals for both units, which were approved by the NRC in 2011. [4] [5] Unit 1 is now licensed to operate until August 13, 2036 and Unit 2 is licensed to operate until April 18, 2040.

Electricity Production

Generation ( MWh ) of Salem Nuclear Power Plant (Nuclear Only) [6]
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual (Total)
20011,628,1011,476,0381,636,734898,461956,3941,555,7731,635,7141,640,7171,340,7291,216,1081,572,0671,648,21017,205,046
20021,488,8571,488,8571,379,434892,1021,179,0971,593,7941,645,2581,640,8611,580,3641,058,5061,384,5351,667,40916,999,074
2003--1,491,7481,499,5381,544,4421,645,7661,602,6101,578,9781,562,3501,167,010958,594810,0531,653,05715,514,146
20041,646,9871,571,6931,621,231781,182520,5531,398,3701,446,1701,708,6161,349,5191,713,7021,658,472780,54416,197,039
20051,735,3821,573,1101,741,799875,8651,387,4241,648,5041,704,1171,676,6231,632,5721,144,0621,495,3831,729,59718,344,438
20061,740,5431,555,0551,638,0431,672,5301,716,8631,650,3291,677,6741,664,9451,566,5501,086,2341,638,9701,741,23119,348,967
20071,742,3641,572,7031,569,646936,1551,392,9821,593,5171,698,0541,647,4401,639,5911,718,1331,686,0171,631,59218,828,194
20081,712,2471,622,2821,096,556841,6721,298,5501,662,4761,700,9931,717,5671,632,5941,221,7571,273,3121,758,71917,538,725
20091,773,7891,595,8911,681,9611,701,5581,733,7391,672,6931,726,0231,716,4631,673,1821,231,2321,375,9761,766,82119,649,328
20101,639,1821,598,2701,739,970892,6051,734,6601,610,0381,224,5761,706,7591,651,2891,465,8281,704,2231,764,39918,731,799
20111,766,4871,595,4721,699,347885,5451,419,6771,545,8191,493,8221,700,5651,453,0301,467,7881,047,4171,758,27717,833,246
20121,769,5421,661,5941,650,1731,685,4011,545,2091,664,5191,704,0921,706,0291,662,8981,177,993909,2651,707,67018,844,385
20131,763,9601,594,9761,761,8231,231,680938,5821,677,4351,711,0991,651,5641,674,9781,738,7301,698,7881,764,60719,208,222
20141,741,4621,497,6331,754,020936,092734,169826,9151,272,4641,713,8751,660,7451,378,8461,011,8721,755,04216,283,135
20151,756,6141,546,1961,362,1661,652,9631,732,3551,665,3661,690,9241,584,1371,661,1121,470,197794,6521,676,94718,593,629
20161,745,9541,477,1081,743,0931,221,654861,781743,68533,3621,428,3891,284,5701,741,4911,666,4311,749,11815,696,636
20171,752,2261,558,0831,686,8671,227,730874,7291,649,5551,692,9721,704,6281,592,4571,169,3091,325,3201,741,29017,975,166
20181,744,7911,577,6691,735,5391,686,6431,655,3401,650,4241,691,0071,681,3991,391,2471,045,8891,293,3871,741,70718,895,042
20191,713,1541,541,2621,559,6711,050,539849,4121,118,3271,687,3041,591,0301,651,3811,725,1381,680,7881,742,25617,910,262
20201,743,9281,512,141987,2871,098,0631,201,0451,658,7611,683,4231,662,3131,659,121913,481838,3071,187,56616,145,436
20211,752,6581,583,5391,746,5001,692,9361,733,7971,655,6021,691,5821,692,3281,583,540879,1561,309,9301,740,43319,062,001
20221,739,2471,574,3701,740,6191,058,9491,201,4111,657,5451,690,0641,694,0261,657,6981,727,5661,687,3751,691,25419,120,124
20231,752,2701,577,8441,667,278893,5201,734,3821,667,1461,697,8851,703,4331,609,2791,013,9271,328,1141,751,97318,397,051

Surrounding population

The Nuclear Regulatory Commission defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of 10 miles (16 km), concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about 50 miles (80 km), concerned primarily with ingestion of food and liquid contaminated by radioactivity. [7]

The 2010 U.S. population within 10 miles (16 km) of Salem was 52,091, an increase of 54.1 percent in a decade, according to an analysis of U.S. Census data for msnbc.com. The 2010 U.S. population within 50 miles (80 km) was 5,482,329, an increase of 7.6 percent since 2000.

Cities within 50 miles:

Safety issues

The New York Times has reported that in the 1990s the Salem reactors were shut down for two years because of maintenance problems. [9] Consultants found several difficulties, including a leaky generator, unreliable controls on a reactor, and workers who feared that reporting problems would lead to retaliation. In 2004, the Nuclear Regulatory Commission took on additional oversight of the Salem plants and increased the monitoring of them. [9]

An extensive investigation by the Nuclear Regulatory Commission, and the subsequent review by hired consultants have found many minor problems, such as lack of routine maintenance and low morale among personnel, but declared the plant safe. [10]

On August 22, 2013, the Salem nuclear plant was shut down after a leak of slightly radioactive water. The spill was confined to the plant's containment building, and regulators have said there is no risk to the public. [11] The plant restarted on August 24, after having been shut down for less than 48 hours. [12]

In May 2014 a scheduled refueling outage of Salem 2 was extended after broken bolts from a cooling pump were found in the reactor vessel. Westinghouse dispatched a team to inspect the pumps. [13] The inspection revealed bolts in the bottom of the cooling pumps as well as the bottom of the reactor vessel. Unit 2 was returned to service on July 11, 2014. [14]

Water use

The Salem Nuclear Power Plant, as photographed from Delaware Bay Salem Nuclear Power Plant.jpg
The Salem Nuclear Power Plant, as photographed from Delaware Bay

Both reactors use Delaware Bay as a source of cooling water. Salem Units 1 and 2 have a water-intake building with a rotating screen to collect debris that is later washed off. Sometimes thick layers of grass clog the intakes and the reactors run at reduced power for weeks as a result. [15] [16] All of the waste heat produced in the steam cycle (about 2  gigawatts) is dumped into the bay. The resultant increase in water temperature is regulated to less than 1 °C in summer months, and to 2 °C the rest of the year. The large closed-cycle cooling tower on site is part of the neighboring Hope Creek plant and is not used by the Salem reactors. [17]

See also

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References

  1. ↑ "EIA - State Nuclear Profiles". www.eia.gov. Retrieved 3 October 2017.
  2. ↑ Johnson, Tom (February 15, 2024). "BPU pulls plug on unpopular nuclear subsidy". NJ Spotlight News.
  3. ↑ Special to Today's Sunbeam/PSEG Nuclear (5 February 2012). "NRC delays review of PSEG Nuclear permit application needed for any new reactor in Salem County". NJ.com. Retrieved 2012-02-08.
  4. ↑ "PSEG seeks licence renewals for two plants". World Nuclear News . August 19, 2009. Retrieved 2009-08-18.
  5. ↑ Gallo, Bill Jr. (July 1, 2011). "Nuclear Regulatory Commission grants 20-year operating license extensions for Salem 1 and 2 reactors in Lower Alloways Creek". Today's Sunbeam. Retrieved 4 February 2023.
  6. ↑ "Electricity Data Browser". www.eia.gov. Retrieved 2023-01-08.
  7. ↑ "NRC: Emergency Planning Zones". United States Nuclear Regulatory Commission. Retrieved 2019-12-22.
  8. ↑ Bill Dedman, Nuclear neighbors: Population rises near US reactors, NBC News , April 14, 2011 https://www.nbcnews.com/id/wbna42555888 Accessed May 1, 2011.
  9. 1 2 Creating the Nation's Largest Utility Company, New York Times , January 29, 2006.
  10. ↑ Sullivan, John (October 11, 2004). "Problems cited at nuclear plant in South Jersey". New York Times.
  11. ↑ https://6abc.com/archive/9216530/ ABC 6 Action News, August 23, 2013
  12. ↑ http://www.nbcphiladelphia.com/news/local/Leak-Leads-to-Shut-Down-of-Nuclear-Plant-220808101.html NBC news, August 24, 2013
  13. ↑ Bill Gallo (19 May 2014). "Broken bolt pieces found in pump, reactor vessel delay Salem 2 nuclear plant restart". South Jersey Times. Retrieved 21 May 2014.
  14. ↑ "After 'trying time' with discovery of broken bolts, Salem 2 nuclear returns to service". 14 July 2014.
  15. ↑ Wald, Matthew L. (May 1, 1994). "U.S. team finds errors at Salem Nuclear Plant". New York Times. Archives.
  16. ↑ Jeff Montgomery (22 April 2011). "Delaware energy: Grasses force Salem plant shutdown". News Journal. Wilmington, Delaware: Gannett. DelawareOnline. Retrieved 23 April 2011.
  17. ↑ FR Doc E7-20761
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