Eversource Energy (d/b/a) · NYSE:ES

Eversource Energy (d/b/a) — Eversource Energy — Investor Presentation (December 2025)

13 slides from Eversource Energy (d/b/a)'s investor presentation, Dec 2, 2025

  1. Slide 1: Charlestown Energy Project

    CNC COM MUNITY MEETING Charlestown Energy Project December 2, 2025

  2. Slide 2: Agenda

    Agenda DRAFT ▪ Introductions  Project Engagement  Early Engagement ▪ Why We Are Here Today o How Does the Electric Grid Work o What is a Substation ▪ Charlestown Energy Project o Project Description and Timeline o Community Feedback o Get Involved ▪ Questions

  3. Slide 3: DRAFT

    DRAFT 3

  4. Slide 4: The Power Grid is Aging

    The Power Grid is Aging DRAFT Yesterday’s Grid A Grid Built for the Future Will Provide… Reliability Meet the electric demand and energy requirements of our customers without interruptions. Resiliency Clean Energy The ability to Connecting a growing strengthen the number of clean power grid to resou

  5. Slide 5: 10-Year Massachusetts Road Map

    10-Year Massachusetts Road Map DRAFT Electric Sector Modernization Plan (ESMP) • (14) New Substations • Upgrades to (12) existing substations 5

  6. Slide 6: Solving for Increased Electric Demand

    Solving for Increased Electric Demand DRAFT BY 2050, THE AVE RAGE HO USEHO LD WI LL USE AL MOST THREE AND A HAL F TIME S THE AMO UNT O F ELECTRI C I TY Electric Infrastructure Across Metro-Boston Substation projects (2025 – 2034) • 7 New Substations in Boston • Underground Transmission Lines that wi

  7. Slide 7: What is a Substation?

    What is a Substation? DRAFT • A substation is not a power plant and does not produce emissions. Substations are the “brains” of the Energy Grid • Acts as a central hub where electricity is routed and distributed to homes and businesses. • Reduces high voltage electricity from power plants or renewab

  8. Slide 8: What are Transmission Lines?

    What are Transmission Lines? DRAFT • Transmission lines are large cables (wires) that carry electricity from generation sources and bring it to substations where voltage is reduced to supply electric distribution systems. • Transmission lines are like highways for electricity because they carry larg

  9. Slide 9: Boston Substation Examples

    Boston Substation Examples DRAFT CHARLES ST. S, SEAFOOD WAY, ELECTRIC AVE., BAY VILLAGE SOUTH BOSTON BRIGHTON

  10. Slide 10: Charlestown Energy Project

    Charlestown Energy Project DRAFT Project Need The proposed infrastructure initiative is designed to strengthen the reliability and resilience of the electric grid, meet growing energy demands, and support the transition to a clean energy future. Proposed Solution • A new substation in Charlestown wi

  11. Slide 11: Anticipated Timeline & Community Involvement

    Anticipated Timeline & Community Involvement DRAFT *Phases can overlap. Timeline is subject to change. 2025 - 2026 2026 - 2027 2027 - 2028 2029 - 2033 Engineering & Siting & Construction Planning & Site Design Permitting & Restoration Evaluation Join topic-specific meetings and Join topic-specific m

  12. Slide 12: Community Topics of Interest and Next Meetings

    Community Topics of Interest and Next Meetings DRAFT Site Selection Process Community Benefits Bill Assistance Undergrounding Overhead Lines Construction Coordination Health and Safety Transmission Aesthetics Line Routing

  13. Slide 13: Sign Up For Project Updates

    Sign Up For Project Updates Please scan the QR Code below to sign up for project updates! To learn more, visit www.eversource.com/CharlestownEnergy

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