Document/ExhibitDescriptionPagesSize
1: 10-Q Quarterly Report HTML 8.13M
2: EX-31.1 1 Certification of Chief Executive Officer HTML 51K
3: EX-31.1 2 Certification of Chief Executive Officer HTML 51K
4: EX-31.1 3 Certification of Chief Executive Officer HTML 51K
5: EX-31.1 4 Certification of Chief Executive Officer HTML 51K
6: EX-31.1 5 Certification of Chief Executive Officer HTML 51K
7: EX-31.1 6 Certification of Chief Executive Officer HTML 51K
8: EX-31.1 7 Certification of Chief Executive Officer HTML 51K
9: EX-31.1 8 Certification of Chief Executive Officer HTML 51K
10: EX-31.2 1 Certification of Chief Financial Officer HTML 51K
11: EX-31.2 2 Certification of Chief Financial Officer HTML 51K
12: EX-31.2 3 Certification of Chief Financial Officer HTML 51K
13: EX-31.2 4 Certification of Chief Financial Officer HTML 51K
14: EX-31.2 5 Certification of Chief Financial Officer HTML 51K
15: EX-31.2 6 Certification of Chief Financial Officer HTML 51K
16: EX-31.2 7 Certification of Chief Financial Officer HTML 51K
17: EX-31.2 8 Certification of Chief Financial Officer HTML 51K
18: EX-32.1 1 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
19: EX-32.1 2 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
20: EX-32.1 3 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
21: EX-32.1 4 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
22: EX-32.1 5 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
23: EX-32.1 6 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
24: EX-32.1 7 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
25: EX-32.1 8 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
26: EX-32.2 1 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
27: EX-32.2 2 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
28: EX-32.2 3 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
29: EX-32.2 4 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
30: EX-32.2 5 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
31: EX-32.2 6 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
32: EX-32.2 7 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
33: EX-32.2 8 Certification Pursuant to 18 U.S.C. Section 1350 HTML 48K
39: R1 Cover Page HTML 166K
40: R2 Condensed Consolidated Statements of Operations HTML 191K
41: R3 Condensed Consolidated Statements of Comprehensive HTML 100K
Income
42: R4 Condensed Consolidated Statements of Comprehensive HTML 52K
Income (Parenthetical)
43: R5 Condensed Consolidated Balance Sheets HTML 222K
44: R6 Condensed Consolidated Balance Sheets HTML 86K
(Parenthetical)
45: R7 Condensed Consolidated Statements of Cash Flows HTML 169K
46: R8 Condensed Consolidated Statements of Changes in HTML 156K
Equity
47: R9 Condensed Consolidated Statements of Operations HTML 106K
and Comprehensive Income - Duke Energy Carolinas
48: R10 Condensed Consolidated Balance Sheets - Duke HTML 190K
Energy Carolinas
49: R11 Condensed Consolidated Balance Sheets - Duke HTML 70K
Energy Carolinas (Parenthetical)
50: R12 Condensed Consolidated Statements of Cash Flows - HTML 163K
Duke Energy Carolinas
51: R13 Condensed Consolidated Statements of Changes in HTML 75K
Equity - Duke Energy Carolinas
52: R14 Condensed Consolidated Statements of Operations HTML 154K
and Comprehensive Income - Progress Energy
53: R15 Condensed Consolidated Balance Sheets - Progress HTML 204K
Energy
54: R16 Condensed Consolidated Balance Sheets - Progress HTML 82K
Energy (Parenthetical)
55: R17 Condensed Consolidated Statements of Cash Flows - HTML 160K
Progress Energy
56: R18 Condensed Consolidated Statements of Changes in HTML 139K
Equity - Progress Energy
57: R19 Condensed Consolidated Statements of Operations HTML 106K
and Comprehensive Income - Duke Energy Progress
58: R20 Condensed Consolidated Balance Sheets - Duke HTML 175K
Energy Progress
59: R21 Condensed Consolidated Balance Sheets - Duke HTML 70K
Energy Progress (Parenthetical)
60: R22 Condensed Consolidated Statements of Cash Flows - HTML 160K
Duke Energy Progress
61: R23 Condensed Consolidated Statements of Changes in HTML 71K
Equity - Duke Energy Progress
62: R24 Condensed Consolidated Statements of Operations HTML 118K
and Comprehensive Income - Duke Energy Florida
63: R25 Condensed Consolidated Balance Sheets - Duke HTML 211K
Energy Florida
64: R26 Condensed Consolidated Balance Sheets - Duke HTML 70K
Energy Florida (Parenthetical)
65: R27 Condensed Consolidated Statements of Cash Flows - HTML 158K
Duke Energy Florida
66: R28 Condensed Consolidated Statements of Changes in HTML 79K
Equity - Duke Energy Florida
67: R29 Condensed Consolidated Statements of Operations HTML 115K
and Comprehensive Income - Duke Energy Ohio
68: R30 Condensed Consolidated Balance Sheets - Duke HTML 192K
Energy Ohio
69: R31 Condensed Consolidated Balance Sheets - Duke HTML 58K
Energy Ohio (Parenthetical)
70: R32 Condensed Consolidated Statements of Cash Flows - HTML 152K
Duke Energy Ohio
71: R33 Condensed Consolidated Statements of Changes in HTML 77K
Equity - Duke Energy Ohio
72: R34 Condensed Consolidated Statements of Operations HTML 104K
and Comprehensive Income - Duke Energy Indiana
73: R35 Condensed Consolidated Balance Sheets - Duke HTML 175K
Energy Indiana
74: R36 Condensed Consolidated Balance Sheets - Duke HTML 49K
Energy Indiana (Parenthetical)
75: R37 Condensed Consolidated Statements of Cash Flows - HTML 158K
Duke Energy Indiana
76: R38 Condensed Consolidated Statements of Changes in HTML 75K
Equity - Duke Energy Indiana
77: R39 Condensed Consolidated Statements of Operations HTML 106K
and Comprehensive Income - Piedmont
78: R40 Condensed Consolidated Balance Sheets - Piedmont HTML 200K
79: R41 Condensed Consolidated Balance Sheets - Piedmont HTML 56K
(Parenthetical)
80: R42 Condensed Consolidated Statements of Cash Flows - HTML 149K
Duke Energy Piedmont
81: R43 Condensed Consolidated Statements of Changes in HTML 104K
Equity - Piedmont
82: R44 Organization and Basis of Presentation HTML 228K
83: R45 Dispositions HTML 127K
84: R46 Business Segments HTML 244K
85: R47 Regulatory Matters HTML 106K
86: R48 Commitments and Contingencies HTML 81K
87: R49 Debt and Credit Facilities HTML 220K
88: R50 Asset Retirement Obligations HTML 127K
89: R51 Goodwill HTML 52K
90: R52 Related Party Transactions HTML 145K
91: R53 Derivatives and Hedging HTML 634K
92: R54 Investments in Debt and Equity Securities HTML 406K
93: R55 Fair Value Measurements HTML 391K
94: R56 Variable Interest Entities HTML 184K
95: R57 Revenue HTML 557K
96: R58 Stockholders' Equity HTML 102K
97: R59 Employee Benefit Plans HTML 223K
98: R60 Income Taxes HTML 78K
99: R61 Subsequent Events HTML 49K
100: R62 Pay vs Performance Disclosure HTML 60K
101: R63 Insider Trading Arrangements HTML 60K
102: R64 Organization and Basis of Presentation (Policy) HTML 86K
103: R65 Organization and Basis of Presentation (Tables) HTML 221K
104: R66 Dispositions (Tables) HTML 123K
105: R67 Business Segments (Tables) HTML 243K
106: R68 Commitments and Contingencies (Tables) HTML 61K
107: R69 Debt and Credit Facilities (Tables) HTML 212K
108: R70 Asset Retirement Obligations (Tables) HTML 128K
109: R71 Related Party Transactions (Tables) HTML 139K
110: R72 Derivatives and Hedging (Tables) HTML 821K
111: R73 Investments in Debt and Equity Securities (Tables) HTML 688K
112: R74 Fair Value Measurements (Tables) HTML 403K
113: R75 Variable Interest Entities (Tables) HTML 186K
114: R76 Revenue (Tables) HTML 557K
115: R77 Stockholders' Equity (Tables) HTML 96K
116: R78 Employee Benefit Plans (Tables) HTML 243K
117: R79 Income Taxes (Tables) HTML 72K
118: R80 Organization and Basis of Presentation (Schedule HTML 79K
of Cash and Cash Equivalents) (Details)
119: R81 Organization and Basis of Presentation (Schedule HTML 78K
of Inventory) (Details)
120: R82 Organization and Basis of Presentation (Other HTML 52K
Noncurrent Assets) (Details)
121: R83 Organization and Basis of Presentation (Confirmed HTML 78K
Obligations) (Details)
122: R84 Dispositions (Narrative) (Details) HTML 64K
123: R85 Dispositions (Balance Sheet) (Details) HTML 127K
124: R86 Dispositions (Income Statement) (Details) HTML 92K
125: R87 Dispositions (Cash Flow Statement) (Details) HTML 55K
126: R88 Business Segments (Narrative) (Details) HTML 51K
127: R89 Business Segments (Business Segment Data) HTML 140K
(Details)
128: R90 Regulatory Matters (Regulatory Matters Narrative - HTML 62K
Duke Energy Carolinas and Duke Energy Progress)
(Details)
129: R91 Regulatory Matters (Regulatory Matters Narrative - HTML 80K
Duke Energy Carolinas) (Details)
130: R92 Regulatory Matters (Regulatory Matters Narrative - HTML 123K
Duke Energy Progress) (Details)
131: R93 Regulatory Matters (Regulatory Matters Narrative - HTML 157K
Duke Energy Florida) (Details)
132: R94 Regulatory Matters (Regulatory Matters Narrative - HTML 99K
Duke Energy Ohio) (Details)
133: R95 Regulatory Matters (Regulatory Matters Narrative - HTML 108K
Duke Energy Indiana) (Details)
134: R96 Regulatory Matters (Regulatory Matters Narrative - HTML 58K
Piedmont) (Details)
135: R97 Commitments and Contingencies (Schedule of HTML 67K
Environmental Loss Contingencies) (Details)
136: R98 Commitments and Contingencies (Narrative) HTML 76K
(Details)
137: R99 Debt and Credit Facilities (Summary of Debt HTML 157K
Issuances) (Details)
138: R100 Debt and Credit Facilities (Narrative) (Details) HTML 100K
139: R101 Debt and Credit Facilities (Summary of Current HTML 86K
Maturities of Long-term Debt) (Details)
140: R102 Debt and Credit Facilities (Schedule of Line of HTML 85K
Credit Facilities) (Details)
141: R103 Asset Retirement Obligations (ARO by Category) HTML 96K
(Details)
142: R104 Asset Retirement Obligations (ARO Rollforward) HTML 78K
(Details)
143: R105 Goodwill (Details) HTML 71K
144: R106 Related Party Transactions (Other Revenue and HTML 108K
Expense) (Details)
145: R107 Related Party Transactions (Intercompany Income HTML 69K
Taxes) (Details)
146: R108 Derivatives and Hedging (Notional Amounts of HTML 91K
Derivative Instruments) (Details)
147: R109 Derivatives and Hedging (Foreign Exchange Risk) HTML 68K
(Details)
148: R110 Derivatives and Hedging (Location and Fair Value HTML 179K
Amounts of Derivatives Reflected in the Condensed
Consolidated Balance Sheets) (Details)
149: R111 Derivatives and Hedging (Schedule of Offsetting HTML 105K
Assets) (Details)
150: R112 Derivatives and Hedging (Schedule of Offsetting HTML 105K
Liabilities) (Details)
151: R113 Derivatives and Hedging (Derivative Instruments HTML 90K
with Credit-Risk Related Contingent Features and
Cash Collateral) (Details)
152: R114 Investments in Debt and Equity Securities HTML 174K
(Estimated Fair Value of Investments in Debt and
Equity Securities) (Details)
153: R115 Investments in Debt and Equity Securities HTML 69K
(Realized Gains and Losses) (Details)
154: R116 Investments in Debt and Equity Securities HTML 80K
(Maturities) (Details)
155: R117 Fair Value Measurements (Fair Value Measurement HTML 187K
Amounts for Assets and Liabilities) (Details)
156: R118 Fair Value Measurements (Reconciliation of Assets HTML 66K
and Liabilities Measured At Fair Value On A
Recurring Basis Using Unobservable Inputs)
(Details)
157: R119 Fair Value Measurements (Quantitative Level 3 Fair HTML 74K
Value Disclosures) (Details)
158: R120 Fair Value Measurements (Other Fair Value HTML 81K
Disclosure) (Details)
159: R121 Variable Interest Entities (Narrative) (Details) HTML 68K
160: R122 Variable Interest Entities (Schedule of Accounts HTML 73K
Receivable Securitizations) (Details)
161: R123 Variable Interest Entities (Schedule of HTML 103K
Consolidated VIEs) (Details)
162: R124 Variable Interest Entities (Schedule of HTML 99K
Non-Consolidated VIEs) (Details)
163: R125 Variable Interest Entities (Receivables Sold) HTML 63K
(Details)
164: R126 Variable Interest Entities (Sales and Cash Flows) HTML 67K
(Details)
165: R127 Revenue (Remaining Performance Obligations) HTML 112K
(Details)
166: R128 Revenue (Remaining Performance Obligations Total) HTML 59K
(Details)
167: R129 Revenue (Disaggregation of Revenue) (Details) HTML 175K
168: R130 Revenue (Reserve for Credit Losses for Trade and HTML 86K
Other Receivables) (Details)
169: R131 Revenue (Aging of Trade Receivables) (Details) HTML 119K
170: R132 Stockholders' Equity (Earnings Per Share Data) HTML 125K
(Details)
171: R133 Employee Benefit Plans (Plan Contributions) HTML 67K
(Details)
172: R134 Employee Benefit Plans (Components of Net Periodic HTML 101K
Pension Costs) (Details)
173: R135 Income Taxes (Effective Tax Rates) (Details) HTML 66K
174: R136 Income Taxes (Narrative) (Details) HTML 50K
177: XML IDEA XML File -- Filing Summary XML 307K
175: XML XBRL Instance -- duk-20230930_htm XML 13.13M
176: EXCEL IDEA Workbook of Financial Report Info XLSX 451K
35: EX-101.CAL XBRL Calculations -- duk-20230930_cal XML 362K
36: EX-101.DEF XBRL Definitions -- duk-20230930_def XML 3.28M
37: EX-101.LAB XBRL Labels -- duk-20230930_lab XML 3.04M
38: EX-101.PRE XBRL Presentations -- duk-20230930_pre XML 3.69M
34: EX-101.SCH XBRL Schema -- duk-20230930 XSD 366K
178: JSON XBRL Instance as JSON Data -- MetaLinks 863± 1.37M
179: ZIP XBRL Zipped Folder -- 0001326160-23-000191-xbrl Zip 1.28M
‘EX-31.2 8’ — Certification of Chief Financial Officer
1) I have reviewed this quarterly report on Form 10-Q of Piedmont Natural Gas Company, Inc.;
2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to
make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4) The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Acts Rules 13a–15(f) and 15d–15(f)) for the registrant and have:
a) Designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period
covered by this report based on such evaluation; and
d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5) The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial
reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.
