Dominion Energy, Inc. · NYSE:D
Dominion Energy — Corporate Update (November 2023)
15 slides from Dominion Energy's corporate update, Nov 16, 2023
Slide 1: Chesterfield Energy Reliability Center Informational Meeting
Dominion Energy in Virginia Chesterfield Energy Reliability Center ChesterfieldInformational Energy Reliability Meeting Center Informational November Meeting 16, 2023 November 16, 2023 1
Slide 2: Dominion Energy Virginia
Dominion Energy Virginia Committed to serving the people of the Commonwealth by safely providing them with reliable, affordable, sustainable, and increasingly clean energy 2.7 M 10,000+ 16% Customers Employees & Contractors Lower than national average residential rate DEV Electric Distribution Terri
Slide 3: Dominion Energy in Chesterfield County
Dominion Energy in Chesterfield County Dominion Energy has been part of the Chesterfield County community for over 100 years. 161,071 1,000+ Customers Employees & Retirees 6 $12.03M Major Asset Locations 2022 Property Taxes Paid 3
Slide 4: Project Overview
Project Overview • "Always-ready" generation project • Four, ~250 MW each, combustion turbines (CTs) • Limited to up to 3,240 hours per year • Dual-fuel capabilities • Natural gas (primary) • No. 2 Fuel Oil (ultra-low sulfur) (secondary) • Hydrogen blend (natural gas with up •Location to 10% hydroge
Slide 5: Major Project Equipment
Major Project Equipment • Four, 250 MW, GE Frame simple-cycle combustion turbines • Six black start emergency generators • One natural gas-fired pre-heater • One diesel-fired fire water pump • One 12-million-gallon fuel oil storage tank • Circuit breakers 5
Slide 6: Turbine Operations
Turbine Operations • Fuel Type • Primary Fuel – Natural gas • Secondary Fuel – Ultra low sulfur No. 2 fuel oil • Potential Future Alternative Fuel – Hydrogen blended with natural gas • Proposed Maximum Operating Profile • A reliability facility to operate when needed / called upon by PJM – with fast
Slide 7: Air Permit
Air Permit • Seeking a new stand alone permit for CERC while considering existing operations at Chesterfield Power Station • Prevention of Significant Deterioration Permit (Major Modification) • State Minor Source Permit • Required to install Best Available Control Technology • Required to demonstra
Slide 8: Mitigating Environmental Impact
Mitigating Environmental Impact Turbine Emission Controls- Best Available Control Technology • Nitrogen Oxides (NOx) emissions • State-of the art low-NOx combustors • Water injection during fuel oil operations • Selective catalytic reduction • Carbon Monoxide (CO), Volatile Organic Compounds (VOC),
Slide 9: Permitting Requirements
Permitting Requirements Air modeling will demonstrate CERC meets federal and state standards designed to be protective of human health and the environment, including sensitive populations CERC Project • Permitting applicability takes Pollutant (tons/year) Applicable Permit into consideration the clo
Slide 10: Project Need
Project Need Extreme Weather Events Increased Customer Demand • Winter Storm Elliott (Dec. 2022) • PJM’s electric load growth has continued • Customer demand peaked before to increase in Dominion Energy’s electric sunrise service territory • Diverse fuel mix allowed flexibility when • Industry and r
Slide 11: Project Benefits
Project Benefits • Continued reliable service while supporting the clean energy transition • Assist in replacing lost tax revenues and local economic activity resulting from retirement of Chesterfield Unit 5 &6 • Jobs and local business opportunities 11
Slide 12: Project Timeline
Project Timeline Development Activities + Local Permitting DEO - Air Permit Construction OME 2024 2025 2026 2027 2028 Ld _— | County Zoning State Corporation Process Commission Process © Development Activities: environmental, EJ screening, preliminary engineering (site plan, Geotech permitting) * Lo
Slide 13: Project Approval Process
Project Approval Process DEQ Air Permit O DEO Air Permit Public Participation Process Local Permitting O Submittal of CUP to Chesterfield County Chesterfield County Pianning Commission Board of Supervisors Local Permitting Decision O CO Chesterfield County O
Slide 14: Our Commitments
Our Commitments • Ensuring reliable energy access via a diverse portfolio of electric generation resources Sarah A. Marshall • Keeping rates affordable to support Manager- State & Local Affairs customers and economic growth 804-461-8642 sarah.a.marshall@dominionenergy.com • Delivering increasingly c
Slide 15: Contact Us
Contact Us Scan the OR code or to learn more r visit DominionEnergy.com/CERC C4 jHabla espanol? Visite DominionEnergy.com/CERC DominionEnergy.com/CERC-es DominionEnergy.com/CERC-es (Espanol)