Duke Energy Corporation (holding Company) · NYSE:DUK
Duke Energy Corporation (holding Company) — Corporate Update (June 2025)
60 slides from Duke Energy Corporation (holding Company)'s corporate update, Jun 26, 2025
Slide 1: Carolinas Resource Plan Draft Meeting 4
Carolinas Resource Plan Draft Meeting 4 June 26, 2025 2025 Carolinas Resource Plan | 1
Slide 2: Meeting recording notice
Please note, this meeting is being recorded. Presentations will be posted on the IRP website and discussion portions will be temporarily stored for internal purposes only to ensure accuracy of meeting notes. 2025 Carolinas Resource Plan | 2
Slide 3: Safety
Safety June is National Safety Month – Avoid Heat-related Illnesses and Death The human body is normally able to regulate its temperature through sweating, until it is exposed to more heat than it can handle. Heat exhaustion and heat stroke can escalate rapidly, leading to delirium, organ damage and
Slide 4: Facilitator of 2025 Engagement: Great Plains Institute (GPI)
Facilitator of 2025 Engagement: Great Plains Institute (GPI) Benjamin Stafford Alissa Bemis Trevor Drake Senior Policy Meeting & Vice President, Manager Administrative Manager Energy Systems Aileen Cole Audrey Negro Hallie Turner Senior Policy Meeting & Policy Associate Research Specialist Administr
Slide 5: Agenda – Public Meeting 4
Agenda – Public Meeting 4 9 – 9:05 a.m. Open & Safety Moment Benjamin Stafford, GPI 9:05 – 9:10 a.m. Agenda & Meeting Structure Benjamin Stafford, GPI 9:10 – 9:15 a.m. Feedback from Engagement Meeting 3 Benjamin Stafford, GPI 9:15 – 9:35 a.m. ELCC Study Justin Brooks, PowerGEM 9:35 – 9:55 a.m. IRA A
Slide 6: Meeting Structure
Meeting Structure 2025 Carolinas Resource Plan | 6
Slide 7: Meeting Ground Rules
Meeting Ground Rules Respect each other: Chatham House Rule: Focus on today’s topics: Help us to collectively uphold Empower others to voice their Please respect the scope of respect for each other's perspective by respecting the today’s meeting to make the most experiences and opinions, even in Cha
Slide 8: Attendee Roles: Observers
Attendee Roles: Observers ▪ Please use the "Q&A" feature on the menu at the bottom of your screen to submit questions to presenters and technical representatives. ▪ We will address questions as time permits. ▪ Questions submitted through the Q&A feature will be displayed as they are answered. This a
Slide 9: Attendee Roles: Technical Representative
Attendee Roles: Technical Representative ▪ Technical representatives ▪ To manage participation, please use the “Raise hand” feature have registered in to indicate you would like to join the conversations (observers advance. do not use the “Raise hand" feature). ▪ Technical representatives Click on “
Slide 10: Additional Participation
Additional Participation Meeting materials and presentation recordings* will be uploaded to the website: duke-energy.com/CarolinasResourcePlan Questions/comments can be submitted through the "Contact Us" form on the website or send an email to DukeCarolinas@gpisd.net ▪ *Q&A portions of meetings will
Slide 11: Recap | 2025 CRP Engagement
Recap | 2025 CRP Engagement March April May June MEETING 1 MEETING 2 MEETING 3 MEETING 4 March 13 April 28 May 22 June 26 Resource Load Forecasting & Supply-Side Analytical Planning & the Demand-Side Modeling Framework & Changing Energy Modeling Assumptions & Follow-up Items Landscape Assumptions Te
Slide 12: Duke Energy IRP Teammates
Duke Energy IRP Teammates Matt Kalemba BJ Byers Karen Hall Emma Goodnow VP Integrated Resource Planning Manager Resource Planning Regulatory Director IRP Modeling & Analytics & Strategy Director IRP Strategic Integration Glen Snider Jennifer Poppler Mike Quinto Dylan Lustig Managing Director Manager
Slide 13: Meeting 4 Technical Representatives
Meeting 4 Technical Representatives Technical Representatives: ▪ Kennedy Bennett – Coastal Conservation League ▪ Brian Collins – Carolina Industrial Group for Fair Utility Rates (CIGFUR) ▪ Hamilton Davis – energyRe on behalf of the Carolinas Clean Energy Business Association (CCEBA) ▪ Devi Glick – S
Slide 14: Stakeholder Feedback and Incorporation
Stakeholder Feedback and Incorporation 2025 Carolinas Resource Plan | 14
Slide 15: Stakeholder Meeting 3 | Feedback Themes
Stakeholder Meeting 3 | Feedback Themes Supply-Side Resource Availability Supply-Side Resource Modeling Participants asked about annual and Participants inquired about how specific cumulative availability of specific supply- resources will be modeled across 2025 side resources, including solar, wind
Slide 16: ELCC Study
ELCC Study Preliminary Results 6/17/2025
Slide 17: Overview
Overview Portfolios Solar ICAP (MW) • Conducted a Capacity Accreditation Simulated - 1,000 2,500 5,000 7,500 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000 study using PowerGEM’s Strategic Energy Risk Valuation Model - X X X X X X X X X X X X X (SERVM) 1,000 X X X 2,500 X X X • BESS
Slide 18: ELCC Methodology
ELCC Methodology • What is Effective Load Carrying Capability (ELCC)? • ELCC quantifies a resource’s contribution to system reliability • Expressed as a MW value or as a percentage of the resource’s nameplate capacity • How is ELCC Determined? • Start with a system at a given reliability metric (0.1
Slide 19: Preliminary Solar ELCCs
Preliminary Preliminary Solar ELCCs • Average and Marginal ELCCs calculated for winter months Marginal Solar Solar ICAP (MW) ELCC (%) - 1,000 2,500 5,000 7,500 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000 • Average: The reliability contribution of the entire - 5.43% 2.17% 1.09% 0.7
Slide 20: Preliminary Storage ELCCs
Preliminary Preliminary Storage ELCCs • Average and Marginal ELCCs calculated for winter months Marginal Storage Solar ICAP (MW) ELCC (%) - 1,000 2,500 5,000 7,500 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000 • Average: The reliability contribution of the entire - resource class 1,
Slide 21: Preliminary Encompass Recommended Values
Preliminary Preliminary Encompass Recommended Total BESS Solar ICAP Incremental 4-hour Incremental Solar Values ICAP (MW) (MW) ELCC (%) ELCC (%) • Represents the average ELCC (%) of 1,000 7,500 92% 2% each additional tranche added 2,500 10,000 79% 3% • Example: • On a system with 7,500 MW 5,000 15,0
Slide 22: Questions
Questions 2025 Carolinas Resource Plan | 22
Slide 23: IRA Assumptions
IRA Assumptions 2025 Carolinas Resource Plan | 23
Slide 24: Monitoring Reconciliation Bill for Incorporation in 2025 IRP
Monitoring Reconciliation Bill for Incorporation in 2025 IRP 2023 CPIRP House Budget Senate Finance IRA Proposals Non-nuclear construction w/in 60 days from DOE* and placed in ▪ House budget significantly Placed in Service/ Start construction Start construction service by 12/31/2028; new nuclear red
Slide 25: Questions
Questions 2025 Carolinas Resource Plan | 25
Slide 26: Follow-Up Item: Load Forecast & Economic Development
Follow-Up Item: Load Forecast & Economic Development 2025 Carolinas Resource Plan | 26
Slide 27: Primary Forecast Drivers by Customer Class
Primary Forecast Drivers by Customer Class Retail Load Residential Commercial Industrial Government ▪ Population ▪ Population ▪ Manufacturing ▪ Rates ▪ Income ▪ Income Employment ▪ Weather ▪ Rates ▪ Commercial Employment ▪ Industrial Production ▪ Weather ▪ Rates Indices ▪ Appliance Saturations & ▪ W
Slide 28: Semiannual Report on Large Load Customer Additions
Semiannual Report on Large Load Customer Additions ▪ On May 15, Duke Energy updated the North Carolina Utilities Commission (NCUC) on the status of large load customers in advanced development stages, noting a 50% increase in the Draft portfolio of Advanced Development Projects, totaling over 2,000
Slide 29: Economic Development Assumptions Across Scenarios
Economic Development Assumptions Across Scenarios DEC & DEP Economic Development DEC & DEP Economic Development Additions (at full load) Additions (discounted) Moderate Advancing Low Case Development Development High Case Includes only the contracts that have a Include contracts with signed ESA, LA
Slide 30: 2025 Load Forecast Scenarios
2025 Load Forecast Scenarios Draft Note: SPA shown for comparison; excludes Person County load from NCEMC-owned generation (100 MW) 2025 Carolinas Resource Plan | 30
Slide 31: Questions
Questions 2025 Carolinas Resource Plan | 31
Slide 32: Follow-Up Item: Long-Duration Energy Storage
Follow-Up Item: Long-Duration Energy Storage 2025 Carolinas Resource Plan | 32
Slide 33: LDES Technology Landscape
LDES Technology Landscape Electrochemical Mechanical Thermal Chemical Draft Store energy through reversible Store energy in the form of potential Store heat or cold to be used Store energy with chemical chemical reaction generating an or kinetic energy and convert back later, under varying condition
Slide 34: LDES Overview
LDES Overview 2025 Carolinas Resource Plan | 34
Slide 35: Round Trip Efficiency (RTE) of LDES Technology
Round Trip Efficiency (RTE) of LDES Technology 2025 Carolinas Resource Plan | 35
Slide 36: Pilots, tech assessment
Pilots, tech assessment Techno-economic Pilot Activities Studies ▪ Aqueous Zinc Battery – ▪ DOE Funded Study DE- 300 kW / 4 hours FE0032004 – Pumped Heat ▪ Nickel-Hydrogen Battery – 250 kW / 1 1/2 hours • Feasibility of converting a retiring coal site with thermal storage – 100 MW / 10 hours Demonst
Slide 37: Questions
Questions 2025 Carolinas Resource Plan | 37
Slide 38: BREAK
BREAK 2025 Carolinas Resource Plan | 38
Slide 39: Analytical Framework
Analytical Framework 2025 Carolinas Resource Plan | 39
Slide 40: Review of Fundamentals of Resource Planning
Review of Fundamentals of Resource Planning Planning to Serve Increasing Energy Needs Value of Resource to the System Customer ▪ Load forecast changes Demand ▪ Economic development driving growth Growth ▪ Effects of customer programs and grid edge resources ▪ Power station retirement Resource Drafte
Slide 41: Analytical Framework
Analytical Framework *Non-exhaustive list of inputs 2025 Carolinas Resource Plan | 41
Slide 42: Key Factors to Address in Sensitivity Analysis
Key Factors to Address in Sensitivity Analysis ▪ Optimization of portfolios with changes Resource Resource Costs in model inputs Fuel Prices (IRA, tariffs, Availability inflation, etc.) ▪ Identify changes in resource selection or cost impact for change in planning assumption Fuel Load EE/DSM ▪ Discu
Slide 43: Sensitivity Portfolios Concepts
Sensitivity Portfolios Concepts Resource Availability ▪ High Renewables and Storage Availability ▪ Pumped Storage Hydro and 10 hour non-Li-ion ▪ Higher Cumulative Wind Availability Resource Costs ▪ High CC / CT Cost ▪ High Solar and Storage Cost ▪ Further Solar and Storage Cost Declines Load Growth
Slide 44: Questions
Questions 2025 Carolinas Resource Plan | 44
Slide 45: Facilitated Discussion of Sensitivities for Consideration in Planning
Facilitated Discussion of Sensitivities for Consideration in Planning 2025 Carolinas Resource Plan | 45
Slide 46: Q1: Long-Term Resource Planning Objectives
Q1: Long-Term Resource Planning Objectives Resource annin b ecti es Draft 2025 Carolinas Resource Plan | 46
Slide 47: Polling in Progress
Polling in Progress 2025 Carolinas Resource Plan | 47
Slide 48: Q2: Sensitivities for Consideration in Planning
Q2: Sensitivities for Consideration in Planning Resource Resource Costs Fuel Prices (IRA, tariffs, Availability inflation, etc.) Fuel Load EE/DSM Security Growth Adoption EPA’s 2024 GHG Rule under Clean Others? Air Act Section 111 2025 Carolinas Resource Plan | 48
Slide 49: Polling in Progress
Polling in Progress 2025 Carolinas Resource Plan | 49
Slide 50: Q3: 2025 Carolinas Resource Plan Risk Landscape
Q3: 2025 Carolinas Resource Plan Risk Landscape Risks & Signposts Load Growth Supply Chain and Workforce Needs • Economic development • Material availability, diversification, labor • Residential customer growth Timely Regulatory Action Policies and Regulations • Permitting, certificates, customer p
Slide 51: Polling in Progress
Polling in Progress 2025 Carolinas Resource Plan | 51
Slide 52: Next Steps for IRP Development
Next Steps for IRP Development 2025 Carolinas Resource Plan | 52
Slide 53: Developing the Carolinas Resource Plan
Developing the Carolinas Resource Plan 2025 Carolinas Resource Plan | 53
Slide 54: Post-Filing Logistics and Access to Files
Post-Filing Logistics and Access to Files Filing deadlines are Using EnCompass Model files will be A modeling orientation Sept. 1 (NC) and version 7.3.4 for available through the session will be held after Nov. 25 (SC) this analysis discovery process to filing to provide an intervenors with overview
Slide 55: Questions
Questions 2025 Carolinas Resource Plan | 55
Slide 56: Additional Participation
Additional Participation Meeting materials and presentation recordings* will be uploaded to the website: duke-energy.com/CarolinasResourcePlan Questions/comments can be submitted through the "Contact Us" form on the website or send an email to DukeCarolinas@gpisd.net ▪ *Q&A portions of meetings will
Slide 57: Closing Remarks
Closing Remarks 2025 Carolinas Resource Plan | 57
Slide 58: 2025 CRP Engagement Timeline
2025 CRP Engagement Timeline March April May June MEETING 1 MEETING 2 MEETING 3 MEETING 4 March 13 April 28 May 22 June 26 Resource Planning & the Load Forecasting & Demand-Side Supply-Side Modeling Analytical Framework & Changing Energy Landscape Modeling Assumptions Assumptions & Tech Updates Foll
Slide 59: Recap | 2025 CRP Engagement
Recap | 2025 CRP Engagement 2025 Carolinas Resource Plan | 59
Slide 60: Thank you!
Thank you! 2025 Carolinas Resource Plan | 60