Washington Gas Light Company

Washington, DC UtilitiesNAICS 221210

Self-funded health planPlan year 2025Renews JanuaryCollectively bargained
4,375Participants+87% vs. prior year
$10.4MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#1 of 1Utilities in DCBy participants

Overview

Washington Gas Light Company sponsors a self-funded health plan that covered 4,375 participants in plan year 2025, up 87% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, prepaid legal, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
4,375 · prior year 2,341
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Washington Gas Light Company Employees Group Medical Plan, plan 503 (4,375 participants); Washington Gas Light Company Retiree Health and Welfare Plan, plan 540 (2,573 participants)
Stop-loss carrier
Group Hospitalization and Medical Services, Inc.
Broker compensation
$298K across insured contracts
MedicalLife insuranceDentalVisionPrepaid legalLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Unum Life Insurance Company of AmericaLong-term disability, Life1,923$4.0M$189K
Kaiser Foundation Health Plan of the Mid-AtlanticMedical307$2.1M$1K
Group Hospitalization and Medical Services, Inc.Stop-loss1,229$875K—
Hartford Life and AccidentGroup Accident, Critical Illness and Hos925$755K$90K
Vision Service PlanVision1,538$319K$8K
Arag Insurance CompanyGroup Legal502$58K$10K

Pharmacy benefit estimate

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

$10.4M/ year

Estimated prescription spend: 4,375 participants × $2,371 national average per member. Usually higher once dependents are counted.

$270K–$665K/ year

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

Brands with a generic available$79K–$197K
Lower-cost therapeutic alternatives$115K–$241K
Generic pricing vs. actual cost$50K–$149K
PBM contract terms$26K–$78K
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
Washington Gas Light Company
Sponsor EIN
53-0162882
Plan numbers
503, 540
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 53-0162882 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Washington Gas Light Company Employees' Pension Plan
Type
Pension plan
Participants
3,400

About this data

Source: Washington Gas Light 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 Washington Gas Light Company.

Request a correction · Methodology