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Standard Disclosures

G 3.1
Strategy and analysis
1.1 G4-1 Sustainability vision and strategy See About This Report and A Message From Our CEO
1.2 G4-2 Relevance of, and corporate approach to, sustainability

See Management Approach to Sustainability and A Message From Our CEO. We also provide summaries of what we see as our key challenges and opportunities in the introductions to our four focus areas in our Sustainability Report.

Also see Indicator 3.5.

Organizational profile
2.1 G4-3 Name of the organization Duke Energy Corporation
2.2 and 2.3 G4-4 Primary products, services and divisions See The Businesses We're In and Duke Energy at a Glance.
2.4 G4-5 Headquarters Corporate office is in Charlotte, North Carolina, USA; with significant offices in Raleigh, North Carolina; St. Petersburg, Florida; Cincinnati, Ohio; Plainfield, Indiana; and Houston, Texas.
2.5 G4-6 Countries of operations Primary operations are in the United States, with power generation facilities in Argentina, Brazil, Chile, Ecuador, El Salvador, Guatemala and Peru. We also own an equity investment in Saudi Arabia.
2.6 G4-7 Ownership and legal form Duke Energy Corporation is an investor-owned corporation trading on the New York Stock Exchange under the symbol, DUK.
2.7 G4-8 Markets served We are primarily an electric and natural gas utility company, with electric customers in North Carolina, South Carolina, Florida, Ohio, Kentucky, and Indiana, and with natural gas service to customers in Ohio and Kentucky.
2.8 G4-9, G4-10 Scale of operations and organization See Duke Energy at a Glance Workforce Performance Metrics, Electricity Generated and Maintaining Sustainable Financial Growth in our Sustainability Report. More detailed information is available in our Securities and Exchange Commission Form 10-K
G4-11 Employees covered by collective bargaining agreements See Workforce Performance Metrics in our Sustainability Report.
2.9 G4-13 Significant recent changes See the Growth section of our most recent sustainability report.
G4-17 Corporate entities covered in financial reports See our Form 10-K filed with the Securities and Exchange Commission.
2.10 Awards received recently See 2015 Recognitions.
EU1 Installed capacity See Generation Capacity and Securities and Exchange Commission Form 10-K, pages 27-31.
EU2 Net energy output, by source More than 40 percent of the electricity we generated in 2015 was from carbon-free sources, including nuclear, hydro, wind and solar. Over 25 percent was from natural gas, which emits about half as much carbon dioxide as coal when used for electric generation. See Electricity Generated.
EU3 Number of customer accounts See Duke Energy at a Glance
EU4 Length of transmission and distribution lines See Duke Energy at a Glance
EU5 Allocation of CO2 emissions permits Not applicable in the United States.
Report Parameters
3.1 G4-28 Reporting period Calendar year 2015, with certain supplemental material from 2016 if appropriate.
3.2 G4-29 Date of most recent report April 2016
3.3 G4-30 Reporting cycle Annual
3.4 G4-31 Contact point See Feedback.
3.5 G4-18 to
Report content definition; materiality assessment See About this Report and Stakeholder Engagement & What Matters Most in our Sustainability Report.
3.6 Boundary of the report All operations unless otherwise noted.
3.7 Specific reporting limitations None
3.8 Basis for reporting Complete company or ownership share of generating stations, unless otherwise noted.
3.9 Data measurement techniques Quantitative data are provided based on direct measurements, estimates and calculations according to standard industry practice or as called for in regulations.
3.10 Effect of re-statements None
3.11 Significant changes None
3.12 G4-32 Location of Standard Disclosures Included in this listing.
3.13 G4-33 Assurance We did not seek an external audit of this report but did ask Business for Social Responsibility for an independent review of our Sustainability Report.
Governance, Commitments and Engagement
4.1 G4, G-38 Governance structure See Principles for Corporate Governance and Board Committee Charters.
4.2 G39 Is Chair an executive officer?

Yes. See Board of Directors

4.3 G4-38 Directors See Board of Directors.
4.4 G4-37, G4-49, G4-53 Contact with the Board of Directors

Interested parties can communicate with any of our directors (including the Lead Director) by writing to: Corporate Secretary, Duke Energy Corporation, DEC 48H, P.O. Box 1414, Charlotte, NC 28201-1414.

See Principles for Corporate Governance and Board Committee Charters.

4.5 G4-51 to G4-53 Compensation and performance Based on defined goals. For more information, see our 2016 Proxy Statement.
4.6 G4-41 Avoiding conflicts of interest See Duke Energy Code of Business Ethics for members of the Board of Directors and employees.
4.7 G4-40 Determining qualifications of Board of Directors This is a responsibility of the Corporate Governance Committee of the Board of Directors.
4.8 G4-56 Internal mission and values statements See The Road Ahead and A Message From Our CEO
4.9, 4.10 G4-42, G4-43, G4-44 Governance procedures and performance See Corporate Governance and Management Approach to Sustainability.
G4-35, G4-36, G4-50 Responsibility for ESG issues See Management Approach to Sustainability.
G4-43, G4-44 Board competencies and performance evaluation Director nomination, selection and orientation processes, briefings by internal and external subject matter experts, and continuing education all help assure the appropriate Board competencies. Board performance is assessed annually. See Corporate Governance.
G4-45 to G4-47 Responsibility for Risk Management Risk management issues are addressed by the Finance and Risk Management Committee and managed through existing governance channels.
G4-48 Sustainability report approval Senior executive leaders review and approve sustainability reports as appropriate.
4.11 G4-14 Precautionary principle Risks are assessed by each business unit without specific reference to the precautionary principle.
4.12 G4-15 Endorsement of externally developed charters, principles and other initiatives

Duke Energy supports programs of The Human Rights Campaign (HRC). We also endorsed the Aspen Institute: Aspen Principles for Long-Term Value Creation.

Also see Partnerships and Memberships.

4.13 G4-16 Association memberships Several, but not all, memberships are listed in Partnerships and Memberships.
4.14 - 4.17 G4-24 to G4-27 Stakeholder enagement See Stakeholder Engagement And What Matters Most.
G4-56 to G4-58 Ethics and Integrity

We provide an extensive disclosure on our ethics management policies, codes and systems.

Also see G4-SO3 to G4-SO5 in the Society disclosures.