Assets by plan
Share of aggregate retirement assets
Sponsor portfolioTH
BLACK HILLS CORPORATION
EIN 46-0458824marketing and advertisingLatest filing 2025
Plans
6
Retirement
2
$1.21B assets
Welfare
4
$105.7M premiums
Participants
13,405
PO BOX 1400 - RAPID CITY, SD 57709605-721-1700facebook.com/blackhillsprLinkedIn1-10 employeesmarketing and advertising
Retirement portfolio analytics
2 plans aggregated / $1.21B assets / 5,325 participantsRecordkeeper share
DC plan assets by Schedule C recordkeeper
77%top
- CHARLES SCHWAB & CO., INC.77%
- (Not disclosed)23%
Participants by plan
Active + retired + deferred vested
Benefits portfolio analytics
4 plans / $105.7M premiums / 22,678 covered livesCoverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$50.6M
- Other$4.1M
- Life$3.8M
- Long-term disability$3.8M
- Vision$905K
Carrier market share
Premium dollars by Schedule A carrier
91%top
- BLUE CROSS OF CALIFORNIA91%
- UNUM LIFE INSURANCE COMPANY OF AMERICA7%
- VISION SERVICE PLAN2%
- NATIONAL UNION FIRE INS. CO. OF PITTSBURGH, PA0%
- DELTA DENTAL OF CALIFORNIA0%
Broker market share
Schedule A broker compensation
100%top
- NORTH RISK PARTNERS LLC100%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#003
BLACK HILLS CORPORATION 401(K) RETIREMENT SAVINGS PLAN
401k
Assets$933.7M
Participants3,686
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Retirement#006
BLACK HILLS RETIREMENT PLAN
CashBalance
Assets$272.0M
Participants1,639
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#502
BLACK HILLS CORPORATION EMPLOYEE HEALTHCARE PLAN
Fully Insured - WELLMARK BLUE CROSS AND BLUE SHIELD OF SOUTH DAKOTA
Premiums$51.5M
Covered lives6,986
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Welfare#509
BLACK HILLS CORPORATION RETIREE HEALTHCARE PLAN
Fully Insured - WELLMARK BLUE CROSS AND BLUE SHIELD OF SOUTH DAKOTA
Premiums$50.0M
Covered lives7,274
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Welfare#501
GROUP INSURANCE PLAN FOR THE EMPLOYEES OF BLACK HILLS CORPORATION
Fully Insured - UNUM LIFE INSURANCE COMPANY OF AMERICA
Premiums$4.1M
Covered lives8,418
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Welfare#503
BLACK HILLS CORPORATION EMPLOYEE FLEXIBLE BENEFITS
Unknown
Premiums$0
Covered lives0
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans2
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 003 | BLACK HILLS CORPORATION 401(K) RETIREMENT SAVINGS PLAN | 401k | $933.7M | 3,686 | 2025 | |
| 006 | BLACK HILLS RETIREMENT PLAN | CashBalance | $272.0M | 1,639 | 2024 |
Welfare plans4
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 502 | BLACK HILLS CORPORATION EMPLOYEE HEALTHCARE PLAN | Fully Insured | WELLMARK BLUE CROSS AND BLUE SHIELD OF SOUTH DAKOTA | $51.5M | 6,986 | 2025 | |
| 509 | BLACK HILLS CORPORATION RETIREE HEALTHCARE PLAN | Fully Insured | WELLMARK BLUE CROSS AND BLUE SHIELD OF SOUTH DAKOTA | $50.0M | 7,274 | 2024 | |
| 501 | GROUP INSURANCE PLAN FOR THE EMPLOYEES OF BLACK HILLS CORPORATION | Fully Insured | UNUM LIFE INSURANCE COMPANY OF AMERICA | $4.1M | 8,418 | 2025 | |
| 503 | BLACK HILLS CORPORATION EMPLOYEE FLEXIBLE BENEFITS | Unknown | - | $0 | 0 | 2025 |
Retirement plans
Welfare plans