ML23145A134

June 27, 2023, Clinton Power Station License Renewal Environmental Pre-application Public Meeting - Constellation Slides

ML23145A134
Person / Time
Site:	Clinton
Issue date:	06/14/2023
From:	Constellation Energy Generation
To:	NRC/NMSS/DREFS
Shared Package
ML23145A133	List: ML23145A134
References
Download: ML23145A134 (15)

Text

License Renewal:

Clinton Power Station Environmental Report Pre-Application Meeting June 27, 2023

Agenda

• Opening Remarks/Introductions

• Background

• Discussion Items

• Lessons Learned

• Closing Remarks

Introductions

Speakers Chris Wilson - Director License Renewal Kristin Meek, PE - License Renewal Environmental Lead Participants Lydia Dworakowski - Licensing Lead Don MacLeod - Senior Engineer (Jensen Hughes)

Stacy Burgess - Senior Project Manager (ENERCON)

Rachel Turney-Work - Environmental Licensing Manager (ENERCON)

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Background===

Clinton Power Station (CPS)

• Single Unit, General Electric Type 6 Boiling Water Reactor (BWR)

• Capital improvements include a 20% Power Uprate in 2002.

• Current rated core thermal power: 3,473 MWt

• Designed to operate at a gross electrical power output of 1,138.5 MWe

• No refurbishment anticipated for period of extended operation (PEO)

OL 40 Yrs 60 Yrs Unit 1 1987 2027 2047

Station Aerial

• Clinton Power Station (CPS) is owned and operated by Constellation, the licensee and applicant.

• The CPS site is approximately 13,626 acres (13,531 owned by CEG).

• Located within DeWitt County, IL.

• The size of the site places it in several townships: Harp, Wilson, Rutledge, DeWitt, Creek, Nixon, and Santa Anna.

• The exclusion area is entirely within the site property.

Vicinity (6-Mile) Map Environmental Report (ER) Discussion Items Methodology

• Regulatory Guidance for Initial/First License Renewal

- NUREG-1555, Supplement 1, Rev. 1 (2013)

- NUREG-1437, Rev. 1, which is the Generic Environmental Impact Statement or GEIS for License Renewal of Nuclear Plants Revision 1 (2013)

- Regulatory Guide 4.2, Supplement 1, Revision 1, (2013) for preparation of Environmental Reports for Nuclear Power Plant License Renewal Applications

• Incorporate by Reference

ER Discussion Items, Continued Major Permits / Authorizations

• National Pollutant Discharge Elimination System (NPDES)

• Clean Water Act (CWA) 401 Certification (IEPA issued waiver)

• CPS is outside the Illinois Coastal Management Program (ICMP) Area (e.g., CZMA).

Consultations & Public Communications

• Consultations with agencies and Native American Tribes have taken place and all received responses will be included in the License Renewal Application (LRA) ER.

ER Discussion Items, Continued Surface & Groundwater Use

• Clinton Lake provides cooling water and potable water for CPS.

• CPS does not use groundwater as a potable source for the station, however, there are two onsite wells that provide potable water for the recreational beach area and the village of Dewitt.

Cooling Water System

• Includes a cooling lake (Clinton Lake), circulation water intake structure (CWIS), condensers and a discharge flume with mechanical draft cooling towers.

Alternatives Analysis

• Includes three evaluated alternatives (Natural Gas, Combination of natural gas with solar panels with lithium-ion battery storage and wind turbines, Purchased Power).

Independent Spent Fuel Storage Installation (ISFSI)

• An ISFSI expansion may be needed during the LR period of extended operation (PEO). There is enough land area available for this expansion within the site boundary.

ER Discussion Items: Ecology Essential Fish Habitat

• No essential fish habitat (EFH) or EFH areas protected from fishing are located within the vicinity of CPS.

Habitat Areas of Particular Concern

• No habitat areas of particular concern (HAPC) located within the 6-mile vicinity of CPS.

Critical Habitat

• No critical habitat is listed within the 6-mile radius of CPS.

Threatened and Endangered Species

• Five federally-listed threatened and endangered (T&E) and one candidate species potentially occurring within the 6-mile radius of CPS.

• Six state-listed T&E species occur within DeWitt County.

ER Discussion Items: Cultural Resources Onsite Cultural Resource Surveys and Investigations

• 17 cultural resources surveys, salvage investigations, and testing investigations within CPS site and extending out from property.

• No onsite cultural resources listed in National Register of Historic Places (NRHP). One NRHP-eligible cultural resource located within CPS (Pabst site).

• No structures within the CPS property have been documented through the Historic American Buildings Survey (HABS) or Historic American Engineering Record (HAER).

Cultural Resources within the Vicinity

• 55 offsite cultural resources listed on the Illinois cultural resources databases:

30 archeological sites, 10 cemeteries, 15 architectural structures/objects.

• No adverse affects are anticipated to any cultural resource sites during the CPS period of extended operation.

ER Discussion Items: SAMA

• Severe Accident Mitigation Alternatives (SAMA) Analysis Status

• Development and Screening of Candidate SAMAs

- Guidance from Nuclear Energy Institute (NEI) 05-01 Rev A and NRC regulatory analysis techniques documented in NUREG/BR-0184

- Qualitative and Quantitative SAMA screening

- Relies on Level 1, 2 and 3 probabilistic risk assessment (PRA) results / cost benefit analysis

• The results of this analysis will be detailed in the SAMA Basis Document and summarized in the ER

Project Management

• Constellation plans to submit the LRA, including the ER, via the NRC Electronic Information Exchange (EIE)

• Constellation Environmental Lead will coordinate with the NRC PM

• CEG intends to utilize the Scientech eDocs portal to support NRC review.

- LRA, ER, boundary drawings and USAR will be made available on eDocs portal

- Sufficient time will be allocated to test the portal in advance of the ER Audit.

• Constellation will submit timely responses to NRC requests for additional information

Schedule and Closing Remarks

• The CPS LR application is on track to be submitted on the target date of February 14, 2024

• The CPS LR ER will be consistent with industry practices and incorporate lessons learned from recent LRs to meet NRC requirements, including Requests for Additional lnformation (RAIs).

• CEG will submit a high-quality application which will support efficient staff reviews.

- Highly knowledgeable team with significant LR experience.

- Participation in industry working groups and meetings.

- Industry peer reviews of LRA.

- Monitoring on-going applicant processes.

- Reviews of recent applicant RAIs, RCIs and supplements.

Questions 14