Eversource Energy

Company purpose and structure

• Eversource Energy is a public utility holding company regulated by FERC.
• Primary business is energy delivery through wholly-owned utilities:
  • Connecticut Light and Power Company (CL&P) — regulated electric distribution in parts of Connecticut.
  • NSTAR Electric Company (NSTAR Electric) — regulated electric distribution in eastern and western Massachusetts; owns solar power facilities.
  • Public Service Company of New Hampshire (PSNH) — regulated electric distribution in parts of New Hampshire.
  • NSTAR Gas Company (NSTAR Gas) — regulated natural gas distribution in parts of Massachusetts.
  • Eversource Gas Company of Massachusetts (EGMA) — regulated natural gas distribution in parts of Massachusetts.
  • Yankee Gas Services Company (Yankee Gas) — regulated natural gas distribution in parts of Connecticut.
  • Aquarion Company (Aquarion) — holds five regulated water utilities serving Connecticut, Massachusetts, and New Hampshire.
• Offshore wind: sold 50% interests in Revolution Wind and South Fork Wind in Q3 2024; current offshore wind activity is a noncontrolling tax equity investment in South Fork Wind.

Segments

Eversource reports four operating segments:

• Electric distribution — CL&P, NSTAR Electric, PSNH (NSTAR Electric’s solar facilities’ energy is credited to customers).
• Electric transmission — CL&P, NSTAR Electric, PSNH; subject to ISO-NE governance and FERC tariff matters.
• Natural gas distribution — NSTAR Gas, EGMA, Yankee Gas.
• Water distribution — Aquarion.

Customer base (as of 12/31/2025)

• CL&P (CT electric distribution): ~1.32 million customers in 157 cities/towns.
• NSTAR Electric (MA electric distribution): ~1.62 million customers in 159 cities/towns.
• PSNH (NH electric distribution): ~549,000 customers in 206 towns.
• NSTAR Gas (MA natural gas distribution): ~306,000 customers.
• EGMA (MA natural gas distribution): ~335,000 customers.
• Yankee Gas (CT natural gas distribution): ~256,000 customers.
• Aquarion (water distribution in CT/MA/NH): ~249,000 customers.
• Total approximate customers across all subsidiaries: about 4.64 million.

Employees

• Total employees: 10,731 (as of 12/31/2025), excluding temporary employees.
• Breakdown shown in the filing:
  • CL&P: 1,554
  • NSTAR Electric: 2,164
  • PSNH: 802
  • Eversource Service (shared services): 4,495

Revenue

• CL&P retail tariff sales revenues for 2025: $4,155.4 million.
• CL&P retail tariff sales revenues for 2024: $3,822.7 million.

Additional operational details

• NSTAR Electric solar facilities: 70 MW capacity across 22 sites; energy is credited to customers.
• Transmission rate base (FERC-regulated) largely composed of transmission net utility plant; end-2025 estimated transmission rate base: approximately $11.3 billion (CL&P $4.6B, NSTAR Electric $4.4B, PSNH $2.3B).
• Offshore wind and tax credits: post-sale exposure includes a tax equity investment in South Fork Wind and potential ITC-related considerations.
• Regulation and markets: utilities are regulated by state public utility commissions (PURA, DPU, NHPUC) and FERC; ISO-NE governs wholesale transmission and energy markets.
• Environmental and climate: programs addressing grid modernization, resiliency, decarbonization, and climate risk management; emissions targets include a 45% reduction by 2035 and net-zero by 2050 for Scope 1 & 2 and Scope 3.

Note: All figures above are taken from the provided text and reflect the status as of December 31, 2025.