Assets by plan
Share of aggregate retirement assets
Sponsor portfolioTH
SEMCO ENERGY, INC.
EIN 38-2144267utilitiesLatest filing 2025
Plans
4
Retirement
3
$234.5M assets
Welfare
1
$279K premiums
Participants
986
1411 THIRD STREET, SUITE A - PORT HURON, MI 48060810-987-2200semcoenergygas.comLinkedIn201-500 employeesutilities
Retirement portfolio analytics
3 plans aggregated / $234.5M assets / 701 participantsParticipants by plan
Active + retired + deferred vested
Benefits portfolio analytics
1 plan / $279K premiums / 123 covered livesCarrier market share
Premium dollars by Schedule A carrier
100%top
- SUN LIFE ASSURANCE COMPANY OF CANADA100%
Broker market share
Schedule A broker compensation
100%top
- WILLIS TOWERS WATSON US LLC100%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#010
SEMCO ENERGY, INC. NON-UNION EMPLOYEES' RETIREMENT PLAN
TraditionalDB
Assets$152.1M
Participants451
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Retirement#002
SEMCO ENERGY, INC. UNION EMPLOYEES' RETIREMENT PLAN
TraditionalDB
Assets$82.0M
Participants240
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Retirement#020
HOTFLAME EMPLOYEES' PROFIT SHARING/401(K) PLAN
401k
Assets$395K
Participants10
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#521
SEMCO ENERGY, INC. RETIREE MEDICAL PLAN
Self Funded - SUN LIFE ASSURANCE COMPANY OF CANADA
Premiums$279K
Covered lives123
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans3
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 010 | SEMCO ENERGY, INC. NON-UNION EMPLOYEES' RETIREMENT PLAN | TraditionalDB | $152.1M | 451 | 2024 | |
| 002 | SEMCO ENERGY, INC. UNION EMPLOYEES' RETIREMENT PLAN | TraditionalDB | $82.0M | 240 | 2024 | |
| 020 | HOTFLAME EMPLOYEES' PROFIT SHARING/401(K) PLAN | 401k | $395K | 10 | 2025 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 521 | SEMCO ENERGY, INC. RETIREE MEDICAL PLAN | Self Funded | SUN LIFE ASSURANCE COMPANY OF CANADA | $279K | 123 | 2024 |
Retirement plans
Welfare plans