Financial Transparency

Black Hills Works
EIN #46-0341382

2024 Tax Return (IRS 990)

2023 Tax Return (IRS 990)

2022 Tax Return (IRS 990)

2021 Tax Return (IRS 990)

Black Hills Works IRS Determination Letter

Black Hills Works Foundation 
EIN #46-0363653

2025 Tax Return (IRS 990)

2024 Tax Return (IRS 990)

2023 Tax Return (IRS 990)

2022 Tax Return (IRS 990)

2021 Tax Return (IRS 990)

Black Hills Works Foundation IRS Determination Letter