Eversource Energy Service Company

Hartford, CT UtilitiesNAICS 221500

Self-funded health planPlan year 2025Renews January
10,497Participants+1% vs. prior year
$24.9MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#1 of 5Utilities in CTBy participants

Overview

Eversource Energy Service Company sponsors a self-funded health plan that covered 10,497 participants in plan year 2025, about the same as the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, long-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
10,497 · prior year 10,446
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Eversource Flexible Benefits Plan, plan 525 (10,497 participants); Eversource Group Health and Welfare Retiree Benefit Plan, plan 510 (8,152 participants); Eversource Med-Vantage Plan, plan 523 (4,834 participants)
Stop-loss carrier
Sun Life Assurance Company of Canada
Broker compensation
$1.1M across insured contracts
MedicalLife insuranceDentalVisionLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.

CarrierCoverageCoveredPremiumBroker comp
Minnesota Life Insurance CompanyLife8,820$17.2M$566K
Lincoln National Life Insurance CompanyLong-term disability10,272$4.7M$198K
Sun Life Assurance Company of CanadaStop-loss9,165$2.1M$323K
MetLife Legal PlansLegal1,926$453K$27K

Pharmacy benefit estimate

StreamRX estimate for a plan this size. Not based on this plan's claims.

$24.9M/ year

Estimated prescription spend: 10,497 participants × $2,371 national average per member. Usually higher once dependents are counted.

$647K–$1.6M/ year

Typical savings opportunity found in independent reviews of plans this size.

Brands with a generic available$189K–$473K
Lower-cost therapeutic alternatives$276K–$577K
Generic pricing vs. actual cost$119K–$358K
PBM contract terms$62K–$187K
The DOL's PBM fee disclosure rule first applies to this plan for the plan year beginning January 2028: semiannual PBM compensation reports and an annual audit right.

Form 5500 filing details

Filing
Form 5500 with Schedule A, plan year 2025
Plan sponsor
Eversource Energy Service Company
Sponsor EIN
06-0810627
Plan numbers
525, 510, 523
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 06-0810627 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Eversource Pension Plan
Type
Pension plan
Participants
23,743

About this data

Source: Eversource Energy Service Company's Form 5500 filing for plan year 2025 and its Schedule A insurance reports, published by the U.S. Department of Labor. "Self-funded" means the filing reports benefits paid from employer assets or a trust, with no medical insurance contract or with a stop-loss contract. Pharmacy figures are StreamRX estimates based on national averages. StreamRX is not affiliated with Eversource Energy Service Company.

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