Calpine Corporation

Houston, TX UtilitiesNAICS 221100

Self-funded health planPlan year 2025Renews January
2,522Participants+2% vs. prior year
$6.0MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#6 of 14Utilities in TXBy participants

Overview

Calpine Corporation sponsors a self-funded health plan that covered 2,522 participants in plan year 2025, up 2% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, short-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
2,522 · prior year 2,468
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Calpine Corporation Employee Benefit Plan, plan 501 (2,522 participants)
Broker compensation
$31K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Life Insurance Company of North AmericaLife, Long-term disability, Accidental Death and Dismemberment, Business Travel Accident2,524$3.7M$31K
Vision Service PlanVision2,161$475K—
Fidelity Security Life Insurance CompanyVision32$8K—

Pharmacy benefit estimate

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

$6.0M/ year

Estimated prescription spend: 2,522 participants × $2,371 national average per member. Usually higher once dependents are counted.

$155K–$383K/ year

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

Brands with a generic available$45K–$114K
Lower-cost therapeutic alternatives$66K–$139K
Generic pricing vs. actual cost$29K–$86K
PBM contract terms$15K–$45K
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
Calpine Corporation
Sponsor EIN
77-0212977
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 77-0212977 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Calpine Corporation Retirement Savings Plan
Type
401(k) plan
Participants
3,252

About this data

Source: Calpine Corporation'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 Calpine Corporation.

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