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Calvert Cliffs Unit 3. Status Summary for PPRAC Meeting 26 August 2008. CPCN Case Background. Unit 3 proposed for Calvert Cliffs site, Calvert Co.

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calvert cliffs unit 3

Calvert Cliffs Unit 3

Status Summary for PPRAC Meeting

26 August 2008

cpcn case background
CPCN Case Background
  • Unit 3 proposed for Calvert Cliffs site, Calvert Co.
  • New unit would have net output of about 1600 MW, nearly doubling the capacity of the existing Units 1 and 2 combined – if constructed it would be the world’s largest reactor
  • Applicant for CPCN is Calvert Cliffs 3 Nuclear Project, a wholly owned subsidiary of UniStar Nuclear Energy (which is a joint venture of Constellation and Electricité de France)
  • PPRP filed initial recommended license conditions on 16 July 2008
  • PSC evidentiary hearings held 11-12 August; also 3 public hearings in August
key issues
Key Issues
  • Water use
  • Ecology
  • Air Impact
  • Socioeconomics/Traffic
water use
Water Use
  • During construction, use of ground water for uses such as concrete mixing and sanitary water supply
  • During operation, withdrawal of >50 mgd for cooling water
  • Operational water use is much less than Units 1 and 2 (which withdraw >3,000 mgd combined), but a greater percentage of the Unit 3 will be lost to evaporation and not returned to the Bay
  • Calvert Cliffs 3 must construct facility in a way that minimizes impacts to wetlands, streams, forests
  • USACE and MDE actively reviewing joint state/federal wetlands permit
  • DNR’s review of Forest Conservation Plan near completion
  • Critical Area Commission provided project approval in early August
air impact
Air Impact
  • Use of Bay water in cooling tower gives rise to emissions with relatively high levels of dissolved solids – which constitutes particulate matter (PM) and requires detailed modeling of air quality impacts, use of Best Available Control Technology
  • Other sources include oil-fired emergency generating units
  • Much smaller emissions profile compared to similar-sized fossil fuel fired facility
  • PPRP and MDE currently evaluating revised air emissions data that Calvert Cliffs 3 submitted at the PSC hearings earlier this month
socioeconomics traffic
  • Fiscal benefits to Calvert County and So. Maryland
    • ~4000 construction jobs
    • ~360 permanent jobs
    • Estimated $20 million in tax revenue to County
  • Calvert Cliffs 3 working on detailed traffic study; will require SHA approval of road upgrades to support increased construction traffic
  • MHT approval required for mitigation plans associated with impacts to historic resources on the site
public reaction
Public Reaction
  • Public comments at hearings showed strong local support for Unit 3 project
  • Concerns raised by members of the public are being addressed by State’s recommended conditions, and/or through NRC licensing process
    • NRC has federal jurisdiction for radiological emergency planning, radiological health and safety, nuclear waste disposal
current status
Current Status
  • PPRP and Calvert Cliffs 3 actively working to reach agreement on as many recommended license conditions as possible
  • PPRP/MDE evaluation of air quality impacts and water appropriations ongoing
  • Additional coordination also continuing with SHA, DNR Forestry, USACE/MDE
  • Expected date for CPCN issuance not yet determined, but we should be able to support Calvert Cliffs 3 proposed construction start date of May 2009
coming attractions
“Coming Attractions’

CP Crane Barge Unloader


Coal Testing at CP Crane