NC0003425_Application_20180719

�' DUKEDuke Energy
EC13K 526 South Church Street
ENERGY Charlotte, NC 28202
July 19, 2018 Mailing Address:
PO Box 1006
Mr.John Hennessy Charlotte, NC 28201-1006
NC Division of Water Resources
Surface Water Protection Section
1617 Mail Service Center
Raleigh,NC 27699-1617
RECEIVED/DENR/DWR
Subject: Application for Certification of Pollution Control Facility
Roxboro Steam Electric Plant J U L 2 0 2018
Semora,North Carolina; Person County
NPDES Permit No.NC00003425 Water Resources
Permitting Section
Dear Mr. Hennessy,
Pursuant to North Carolina General Statute(NCGS) §105-275(8), Duke Energy Progress, LLC. is requesting tax
exemption certification for qualifying water pollution control equipment currently being installed at the referenced
plant. The qualifying water pollution control equipment and appurtenances,operating in accordance with the terms and
conditions of the referenced NPDES permit, are detailed in the attached North Carolina Department of Environment
and Natural Resources, Division of Water Resources Application for Tax Certification and Exemption Form TC-WQ.
In accordance with NCGS §105-275(8),form TC-WQ details the facility's water cleaning devices and appurtenances,
which are"[R]eal and personal property that is used...exclusively for ... waste disposal or to abate,reduce or prevent
the pollution of...water..."
Submission of this application is required as a process step in the State of North Carolina Department of Revenue's .
pollution control certification process for real and personal property tax exemption of certain assets used in pollution
control capacities within the facility. The equipment's primary function is the waste disposal, reduction,or prevention
of water pollution.
Please send one copy of the completed tax exemption certification to the following address:
Ms. Anne Pifer
Manager EHS-CCP Permitting and Compliance
Duke Energy
526 S.Church Street,EC 13K
Charlotte,North Carolina 28202
If you have any questions regarding this request for tax exemption certification, please contact me at
[phone].
Sincerely,
Anne Pifer
Manager,EHS-CCP Permitting and Compliance
Enclosure
c: Ms. Cindy Mobberley, Duke Energy
www.duke-energy.com

DIVISION OF WATER RESOURCES TCN:
APPLICATION FOR TAX CERTIFICATION This application is to be used only for waste treatment systems and equipment Rev.
& EXEMPTION FORM TC-WQ under the authority of the NC Division of Water Resources (DWR) 01/29/2016
DIRECTIONS:Complete and mail signed copies of the application form and all supporting information to both: 1)the County Tax Administrator for the County in which the facility is located(one copy)
AND 2)to the NC Division of Water Resources,Surface Water Protection Section, 1617 Mail Service Center, Raleigh,NC 27699-1617(two copies). Type or print in blue or black ink. A separate
application package is required for each facility where property proposed for tax certification is located.
THIS APPLICATION WILL NOT BE PROCESSED WITHOUT COMPLETE AND ACCURATE INFORMATION. If you have any questions regarding this application,please call the local tax office or the
NC Division of Water Resources at 919/807-6300 or their web site at https: ox.deq.prod.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/nodes-wastewater/tax-
certification for more specific contact information.
Please Note:
a)Tax Certifications will only be processed for facilities under the authority of the DWR and only if the DWR has found that the described property:
1.Has been or will be constructed or installed;
2.Complies with or that plans therefore which have been submitted to the DWR indicate that it will comply with the requirements of the Environmental Management Commission;
3. Is being effectively operated or will,when completed,be required to operate in accordance with the terms and conditions of the permit,certificate of approval,or other document of approval
issued by the DWR;and
4. Has or,when completed,will have as its PRIMARY rather than incidental purpose the reduction of water pollution;
5.Is being used exclusively(100%)for waste treatment.
b)If approved,the Tax Certification issued will incorporate all requested assets at the facility that meet the criteria for Tax Certification by DWR. Therefore this application must include any new assets
for which Tax Certification is being requested,as well as any assets previously receiving Tax Certification from DWR for which Tax Certification is still needed.
A.Applicant(Applicant is the owner of,and taxpayer for,the property described in this asplication for tax certification.)
Name of Applicant: Name of Facility:
Carolina Power and Light Company d/h/a Progress Energy Carolinas.Inc. Roxboro Steam Electric Plant
Address of Applicant,if different from facility where property located: Physical Address of Facility where property located(no P.O. Box):
1700 Dunnaway Road 1700 Dunnaway Road
Semora,North Carolina 27343 Semora,North Carolina 27343
(address) (city) (zip) (street address) (city) (zip)
Business Relationship of Applicant to facility where property located:
County where property located: Person
Name of Contact Person at Facility where property located:
I.ori Tollic
Does the Applicant hold any NC Division of Water Resources Permits?
®Yes / 0 No Title: Sr.Environmental Specialist Phone Number: 336-854-4916
If yes,please list Permit No.NC00003425
Permit No(s):
If approved,will this be the first Tax Certification issued for this Facility? If no,attach any previously issued
❑ Yes / ® No tax certifications
B.Complete this Section only if the Operator/User of the facility and equipment is different from the Owner of the facility.
Name of Operator/User:
Operator/User Address:
(address) (city) (zip)
Operator/User Contact Name:
Relationship between Operator/User of facility and equipment and applicant:
***ATTACH A PROCESS SCHEMATIC TO YOUR APPLICATION The number of each item for which Tax Certification is being requested must be shown on the schematic*** Application continues on
Next page

DIVISION OF WATER RESOURCES TAX CERTIFICATION & EXEMPTION APPLICATION PAGE 2
Waste Treatment Systems & Equipment: Waste treatment systems&equipment must be used exclusively for the abatement of water pollution Rev.09/01/2013
For DWR use Was asset listed in Asset Number, %of time item is Is this asset
For County Orly•A• Description of Waste Treatment Systems or Equipment thepermit(Yes/No) Vehicle Identification How is thisabatement? Year of Original Historical
use orW Approved' P Y equipment used for pollution used for pollution Acquisition Cost" replacing a prior
Disapproved Number(VIN) abatement asset?
Included in updated Under
1 Lined Retention Basins NPDES permit application WA Lined retention basin to replace ash basin per CAMA end CCR requirements 100%construction 2018 $2,585,009 Yes
Included in updated Piping instated to reroute plant water away from Ash basin end to new Lined Under
2 Plant water reroute NPDES permit application WA Retention Basin 100%construction 2018 534,801.283 No
Included in updated Under
3 Dry Bottom Ash Handling System NPDES permit application N/A Bottom ash handling system to replace ash basin per CCR requirements 100%construction 2018 $107,933,305 No
Included in updated Physical/chemical wastewater treatment system installed to treat PGD Under
4 FGD Wastewater Treatment System Replacement NPDES permit application WA wastewater to meet updated permit limits 100%construction 2018 8136,666,859 Yes
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Attach additional pages if necessary
'If the asset is listed in the DWO permit,the description must be identical as listed on the current permit.If the asset is not specifically listed in the DWO permit,the applicant must attach detailed information as to why the asset should qualify for Tax Certification.
"When certifying systems or equipment,DENR is not certifying the cost of the equipment or the year of acquisition.
Facilities: To qualify for tax certification,the building or section of building being applied for,must be used exclusively for water pollution prevention. A sketch of the building,square footage along with details
as to how the building is used for water pollution prevention,is required.
Land: To qualify for tax certification,the land must be used exclusively for water pollution prevention. A schematic diagram of the facility detailing the land being applied for is required. The amount of land
(acreage)is required and how this land is being used to prevent water pollution. For wastewater treatment and irrigation system list separately the acreage used for actual treatment from the acreage required by
the facility's water quality permit for buffers and setbacks.
SIGNATURE:
I hereby certify that the above equipment,facilities and/or land are used for the purpose stated,and that the information presented in this application is accurate. Furthermore,I certify that any portable or mobile
equipment listed on this application will be used exclusively in the state of North Carolina.
Applicant
Signature: ���. Dave Renner Title:VP CCP Engineering Date: 7-/I-If
(print name also)
NOTICE: The penalty for alse tatement,representation or certification Of: Duke Energy Progress LLC
herein includes imprisonm nt and/or the assessment of civil penalties. (Name of Applicant Business Entity) TC-Wo

Attachment A
Lined Retention Basins
At Roxboro Plant, low volume and process flow streams are routed to the ash basin prior to discharging
through Outfall 003.The ash basin allows solids to settle out and for the various flows to comingle prior to
the NPDES sampling point.As a result of Coal Ash Management Act and the federal CCR Rule, Roxboro's
ash basin will not be allowed to receive these flows after April 17, 2019.The Lined Retention Basins project
will include the following water pollution control facilities:
• two lined basin primary cells
• one secondary lined polishing pond
• chemical addition equipment at the inlet and outlet
• one holding basin to provide retention and treatment for high-volume flows
See diagram below for more information on placement of these water pollution control facilities.
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Plant water reroute
Reroute of Process and Storm water lines from Ash Pond to a new Retention Pond to comply with the
requirements of the Effluent Limitation Guidelines(ELG),as well as closure of the active Ash Basin in accordance
with CAMA.The Plant Water Reroute project will include the following water pollution control facilities:
• sump pumps and booster pumps required to convey flows to Lined Retention Basin (LRB).
• Approximately 35,000' of new piping
• chemical feed equipment, DCS equipment,and Power Control Module building(PCM)
See diagram below for more information on placement of these water pollution control facilities.
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FGD Wastewater Treatment System Replacement
Installation of a new FGD wastewater treatment(WWT)system at Roxboro Plant to meet the requirements of the
NPDES program.The new WWT system will include the following water pollution control facilities:
• flocculating clarifiers
• bio-reactors
• equalization tanks with tank agitators
• chemical storage tanks
• filter presses
• a lime silo
• electrical supply
• a distributed control system (DCS)
• new 230KV transformer/substation
See diagram below for more information on placement of these water pollution control facilities.
Roxboro FGD Wastewater Treatment
Chemical Treat ent Solids Remov• NL
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Dry Bottom Ash Handling System
To comply with the requirements outlined in the State CAMA and Federal CCR rules requiring elimination of wet
sluiced bottom ash handling through the ash basin, Duke Energy is installing a remote submerged flight conveyor
(SFC)system capable of handling bottom ash from any combination of two units to each SFC.The Dry Bottom Ash
Handling System project will include the following water pollution control facilities:
• 3 Submerged Flight Conveyors
• 9 LP and 5 HP pumps,
• 1 surge, 1 maintenance,and 6 overflow tanks,
• interconnecting valves, piing,and instrumentation,
• 2 PDC(including VFDs and DCS RIO cabinets),
• 3 transformers
See attached diagrams for more information on placement of these water pollution control facilities.

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