Plan Ledger DOL Form 5500 · updated monthly

Black Hills Corporation401(k)

BLACK HILLS CORPORATION 401(K) RETIREMENT SAVINGS PLAN · RAPID CITY, SD · plan year 2025

Reported admin expense ratio · 2025
0.02%

Peer grade: A · admin costs + employer contributions vs same-size plans · how grading works

Black Hills Corporation reported $198,018 in plan administrative expenses for 2025: 0.02% of average plan assets, lower than ~75% of peers. Employer contributions averaged $10,079 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 3 years on file its reported administrative ratio rose from 0.01% to 0.02%. The plan sits in the $250M–$1B size bracket, benchmarked here against 230 comparable plans and shown alongside other utilities employers. By assets it is the 1st-largest of 233 plans among South Dakota employers on file, and the 46th of 412 in utilities. In 2025, employees put in $1.19 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$933,735,584
Participants with balances3,665
Active participants2,783
Employer contributions$28,050,699
Employee contributions$33,257,259
Employer contribution per active participant$10,079
Average account balance$254,771
Benefits paid to participants$80,429,078
Plan auditUnmodified (clean) audit opinion
Plan history4
Yearassets · accounts · employer contribution
2025$933.7M · 3,665 accts · $28.1M emplr
2024$811.2M · 3,669 accts · $27.9M emplr
2023$727.0M · 3,720 accts · $29.2M emplr
2022$615.3M · 3,735 accts · $27.2M emplr
Administrative expenses, itemized · 2025
Recordkeeping & contract admin$21,450
Investment management$143,098
Total administrative$198,018
The Black Hills Corporation 401(k) match · 2025
Employer contribution per active participant$10,079
Median for plans this size$4,295
2025$10,079 per active participant
2024$9,869 per active participant
2023$10,141 per active participant
2022$9,155 per active participant

Black Hills Corporation's 2025 employer contribution ran above the $4,295 median for plans its size, placing it in the top quarter of its peers. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2025 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20257
SCHWAB RETIREMENT PLAN SERVICES INC · Recordkeeping · Investment advisory (participants)$102,454
THOMPSON HINE LLP · Accounting / audit · Legal$33,470
AVANTAX PLANNING PARTNERS INC · Investment advisory (participants)$18,999
EVERGREEN PRIVATE WEALTH LLC · Investment advisory (participants)$15,430
OPTIMA CAPITAL MANAGEMENT LLC · Investment advisory (participants)$10,347
CHARLES SCHWAB & CO., INC. · Securities brokerage$10,338
FINANCIAL ENGINES ADVISORS LLC · Investment advisory (participants)$5,866

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Recordkeeper by year3
2025Charles Schwab
2024Charles Schwab
2023Charles Schwab

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Administrative cost history4
2025$198,018 · 0.02%
2024$149,200 · 0.02%
2023$97,643 · 0.01%
2022$80,388 · 0.01%
Same employer
Similar plansUtilities · South Dakota
Veolia North America, LLC MA$1.0B · 0.07%
Lg&E and Ku Energy LLC KY$1.0B · 0.01%
Covanta Projects, LLC NJ$947.7M · 0.10%
Pnm Resources, Inc. NM$896.7M · 0.07%
Idaho Power Company ID$889.9M · 0.02%
The Aes Corporation VA$854.6M · 0.05%
Avista Corporation WA$843.5M · 0.10%

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Source: U.S. Department of Labor, Form 5500 series, EIN 460458824 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.