<SEC-DOCUMENT>0001104659-25-071391-index.html : 20250729 <SEC-HEADER>0001104659-25-071391.hdr.sgml : 20250729 <ACCEPTANCE-DATETIME>20250729070125 ACCESSION NUMBER: 0001104659-25-071391 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 20 CONFORMED PERIOD OF REPORT: 20250727 ITEM INFORMATION: Entry into a Material Definitive Agreement ITEM INFORMATION: Regulation FD Disclosure ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20250729 DATE AS OF CHANGE: 20250729 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Duke Energy CORP CENTRAL INDEX KEY: 0001326160 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] ORGANIZATION NAME: 01 Energy & Transportation EIN: 202777218 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-32853 FILM NUMBER: 251157494 BUSINESS ADDRESS: STREET 1: 525 SOUTH TRYON STREET CITY: CHARLOTTE STATE: NC ZIP: 28202-1803 BUSINESS PHONE: 800-488-3853 MAIL ADDRESS: STREET 1: 525 SOUTH TRYON STREET CITY: CHARLOTTE STATE: NC ZIP: 28202-1803 FORMER COMPANY: FORMER CONFORMED NAME: Duke Energy Holding Corp. DATE OF NAME CHANGE: 20050628 FORMER COMPANY: FORMER CONFORMED NAME: Deer Holding Corp. DATE OF NAME CHANGE: 20050504 FILER: COMPANY DATA: COMPANY CONFORMED NAME: PIEDMONT NATURAL GAS CO INC CENTRAL INDEX KEY: 0000078460 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] ORGANIZATION NAME: 01 Energy & Transportation EIN: 560556998 STATE OF INCORPORATION: NC FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-06196 FILM NUMBER: 251157495 BUSINESS ADDRESS: STREET 1: 525 SOUTH TRYON STREET CITY: CHARLOTTE STATE: NC ZIP: 28202 BUSINESS PHONE: 800-488-3853 MAIL ADDRESS: STREET 1: 525 SOUTH TRYON STREET CITY: CHARLOTTE STATE: NC ZIP: 28202 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>tm2521862d1_8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: tm2521862d1_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>tm2521862d1_ex99-1.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: tm2521862d1_ex99-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>tm2521862d1_ex99-2.htm <DESCRIPTION>EXHIBIT 99.2 <TEXT> Document 3 - file: tm2521862d1_ex99-2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>4 <FILENAME>duk-20250727.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 4 - file: duk-20250727.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>duk-20250727_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 5 - file: duk-20250727_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>duk-20250727_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 6 - file: duk-20250727_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>duk-20250727_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 7 - file: duk-20250727_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>tm2521862d1_8kimg001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: tm2521862d1_8kimg001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>tm2521862d1_ex99-1img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: tm2521862d1_ex99-1img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>tm2521862d1_ex99-1img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: tm2521862d1_ex99-1img002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>tm2521862d1_ex99-2img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: tm2521862d1_ex99-2img001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>tm2521862d1_ex99-2img002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: tm2521862d1_ex99-2img002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>18 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: FilingSummary.html
Document 18 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>21 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 21 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>22 <FILENAME>0001104659-25-071391-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 22 - file: 0001104659-25-071391-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>23 <FILENAME>tm2521862d1_8k_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 23 - file: tm2521862d1_8k_htm.html
Document 23 - RAW XML: tm2521862d1_8k_htm.xml
</DOCUMENT> </SEC-DOCUMENT>