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HomeMy WebLinkAboutNC0003433_Report_20220729 (a DUKE James Wells Iry ENERGY Vice President Environmental, Health and Safety Programs&Environmental Sciences 526 South Church Street Charlotte,NC 28202 (980)373-9646 July 26, 2022 Scott Vinson RECEIVED Raleigh Regional Supervisor RECEIVED North Carolina Department of Environmental Quality 2 9 2022 Division of Water Resources 3800 Barret Drive Raleigh,NC 27609 NCDEQIDWRINPDES Bob Sledge North Carolina Department of Environmental Quality Water Quality Permitting Program Division of Water Resources 1617 Mail Service Center Raleigh,NC 27699-1617 Subject: Report Under Special Order by Consent—EMC SOC WQ S 19-001 Duke Energy Progress, LLC—Cape Fear Steam Station NPDES Permit NC0003433 Quarterly Progress Report for 2nd Quarter 2022 Dear Messrs. Vinson and Sledge: On behalf of Duke Energy Progress, LLC (DEP), I am submitting to you the Cape Fear Steam Station Progress Report summarizing the work and activities undertaken with respect to closure of coal ash surface impoundments as required by the Cape Fear Steam Station NPDES Permit NC0003433 Special Order by Consent(SOC), SOC No. S19-001 Section 2.b.4). Please direct any questions concerning the Cape Fear Steam Station SOC No. S19-001 to Mr. Shannon Langley at(919) 546-2439 or shannon.langley@duke-energy.com. As required by the SOC, I certifi,under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, Messrs. Vinson and Sledge EMC SOC WQ S 19-001 Quarterly Progress Report for 2nd Quarter 2022 Page 2 true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. Sincerely, James Wells Vice President, Environmental,Health& Safety Programs and Environmental Sciences Duke Energy Attachment Cape Fear Steam Station Quarterly Progress Report CC: Zach Hall—via email, Duke Energy Joyce Dishmon—via email,Duke Energy Jonathan Stamas—via email, Duke Energy Jessica Bednarcik—via email,Duke Energy Matt Hanchey—via email, Duke Energy Shannon Langley—via email, Duke Energy Randy Hart—via email, Duke Energy George Michael—via email,Duke Energy NPDES PERMIT NC0003433 SPECIAL ORDER BY CONSENT EMC SOC WQ S19-001 QUARTERLY EXCAVATION PROGRESS REPORT CAPE FEAR STEAM ELECTRIC PLANT July 2022 Background and Summary On January 27, 2020, Duke Energy Progress, LLC (DEP) and the North Carolina Environmental Management Commission entered into a Special Order by Consent—EMC SOC WQ 519-001(SOC) applicable to the Cape Fear Steam Electric Plant (Cape Fear). This report is submitted in accordance with Section 2.b.4) of the SOC. In compliance with Section 2.b.4), this report summarizes the work and activities undertaken with respect to decanting work and closure of coal ash surface impoundments at Cape Fear. The quarterly reports are due no later than the 30th day of January, April, July, and October until the completion of two years of beneficiation operations. The Cape Fear Steam Electric Plant is located near Moncure, NC (Chatham County), near the Cape Fear River. The Cape Fear Plant began commercial operation in 1923. Two of the site's six coal-fired units were retired in 1977 and two in 2011. The remaining two coal-fired units,along with four on site oil-fueled combustion turbine units,were retired in October 2012. The five regulated Coal Combustion Residuals (CCR) basins associated with the historical coal-fired generation are also located on the site. The ash basins cover approximately 173 acres. The basins are referred to as: • 1956 Ash Basin (State ID:CHATH-075) • 1963 Ash Basin (State ID:CHATH-076) • 1970 Ash Basin (State ID:CHATH-077) • 1978 Ash Basin (State ID: CHATH-078) • 1985 Ash Basin (State ID:CHATH-079) Cape Fear was chosen on June 30,2017,as an ash beneficiation site required by NC House Bill 630. NC House Bill 630 also requires that the ash basins at sites with ash beneficiation products shall be closed no later than December 31, 2029. Excavation of ash from the Cape Fear site for beneficial use will occur over multiple years. Construction activities began in July 2019. Ash removed from the site will be beneficiated by SEFA,with whom Duke Energy has entered into an agreement to process and sell ash from the Cape Fear Basins for use in the concrete industry. Operation of the ash beneficiation plant commenced in January 2021. Excavation of Cape Fear's 1985 Ash Basin began on December 18,2020 and is ongoing. Excavation of Cape Fear's 1956 Ash Basin began on September 16, 2021 and is ongoing. As of June 30, 2022, total ash excavated at Cape Fear is approximately 434,603 tons. Decanting Status Prior to the Special Order by Consent, Duke Energy commenced decanting of the Cape Fear 1985 and 1978 Ash Basins on January 25,2017. Decanting was completed on November 11,2019. Dewatering of the 1985 and 1978 Ash Basins began on November 11,2019 and will continue throughout beneficial reuse and closure. Dewatering activity at the site utilizes the water treatment system that discharges to Outfall 008.