Northwestern Corporation — Form 5500 filings & benefit plans
Form 5500 plan sponsor summary
According to public Form 5500 filings published through the U.S. Department of Labor (DOL) Employee Benefits Security Administration (EBSA) via the EFAST2 system, Northwestern Corporation (EIN 46-0172280) is a plan sponsor located in Butte, MT with 6 reported benefit plan(s) in the loaded dataset. The latest loaded Form 5500 filing year is 2023.
Company overview (based on loaded 2023 public filings)
- EIN
- 46-0172280
- Location
- Butte, MT
- Loaded plans
- 6
- Total reported participants
- 5,903
- Total reported plan assets (EOY)
- $1,294,953,001
- Plans with financial data
- 5
- Plans with provider compensation
- 3
- Latest filing year
- 2023
Totals aggregate this sponsor's loaded Form 5500 filings only and reflect figures as reported; they are not an audited company total.
Largest loaded plans by reported assets
| Plan | Plan # | Participants | Reported assets (EOY) | Year |
|---|---|---|---|---|
| Northwestern Energy 401(K) Retirement Savings Plan | 103 | 1,942 | $462,756,735 | 2023 |
| Northwestern Energy Master Retirement Trust | 104 | not reported in the loaded dataset | $402,670,966 | 2023 |
| Northwestern Energy Mt Pension Plan | 101 | 1,327 | $350,194,280 | 2023 |
| Northwestern Energy Sd/Ne Pension Plan | 001 | 399 | $55,711,110 | 2023 |
| Northwestern Energy Flexible Compensation Plan | 530 | 2,229 | $23,619,910 | 2023 |
| Northwestern Corporation Family Protector Benefit Plan | 504 | 6 | not reported in the loaded dataset | 2023 |
Latest loaded filings
| Year | Plan | Participants | Schedules | Filing |
|---|---|---|---|---|
| 2023 | Northwestern Energy 401(K) Retirement Savings Plan | 1,942 | H, C | 20240819134854NAL0000977443001 |
| 2023 | Northwestern Energy Sd/Ne Pension Plan | 399 | H | 20240910115010NAL0009655472001 |
| 2023 | Northwestern Energy Mt Pension Plan | 1,327 | H | 20241007175230NAL0007828323001 |
| 2023 | Northwestern Energy Master Retirement Trust | not reported in the loaded dataset | H, C | 20241007175942NAL0032601490001 |
| 2023 | Northwestern Energy Flexible Compensation Plan | 2,229 | H, C | 20241011141014NAL0022904129001 |
| 2023 | Northwestern Corporation Family Protector Benefit Plan | 6 | — | 20241017114425NAL0018423587001 |