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Westar Energy, Inc. Employees' 401(k) Savings Planhttps://pcaobus.org/form-ap-filings/44222/44222Westar Energy, Inc. Employees' 401(k) Savings Plan442227/16/2019 5:30:14 PM2018eaf59146-0e8b-4a3a-8214-89631c6716d434Deloitte & Touche LLP712865Westar Energy, Inc. Employees' 401(k) Savings Plan1711269EVRG0003411033Patrick Michael Larson0003411033True
BLACK HILLS CORP /SD/https://pcaobus.org/form-ap-filings/34035/34035BLACK HILLS CORP /SD/340353/5/2019 7:37:32 PM20182da6eb0d-ec0e-45ce-9c0e-3769c00437f434Deloitte & Touche LLP142699BLACK HILLS CORP /SD/1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
SourceGas Retirement Savings Planhttps://pcaobus.org/form-ap-filings/27496/27496SourceGas Retirement Savings Plan274967/11/2018 9:51:53 AM2017440ce008-d931-4c18-8f76-ef9d8715dca734Deloitte & Touche LLP142698SourceGas Retirement Savings Plan1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
Black Hills Corporation Retirement Savings Planhttps://pcaobus.org/form-ap-filings/27497/27497Black Hills Corporation Retirement Savings Plan274977/11/2018 9:51:53 AM20177d25b6d1-b12e-4ab4-a544-ae5e206ac49f34Deloitte & Touche LLP142698Black Hills Corporation Retirement Savings Plan1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
BLACK HILLS CORP /SD/https://pcaobus.org/form-ap-filings/17530/17530BLACK HILLS CORP /SD/175303/6/2018 12:45:48 PM201768aa4145-7f42-4574-be94-a56c35713c9234Deloitte & Touche LLP142699BLACK HILLS CORP /SD/1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
SourceGas Retirement Savings Planhttps://pcaobus.org/form-ap-filings/10680/10680SourceGas Retirement Savings Plan106807/27/2017 6:09:07 PM201671191f83-8fcc-4bea-af06-6138bb49a6c934Deloitte & Touche LLP142698SourceGas Retirement Savings Plan1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
Black Hills Corporation Retirement Savings Planhttps://pcaobus.org/form-ap-filings/10379/10379Black Hills Corporation Retirement Savings Plan103797/19/2017 2:11:59 PM2016c9bd56d0-fd20-46e2-a94b-bd118565f77d34Deloitte & Touche LLP142698Black Hills Corporation Retirement Savings Plan1130464BKH; BKHU0003411033Patrick Michael Larson0003411033True
ASPIRITY HOLDINGS LLChttps://pcaobus.org/form-ap-filings/7606/7606ASPIRITY HOLDINGS LLC76065/9/2017 2:30:31 PM2016a8b992cc-2ff6-4b3c-a207-58048a67afbf34Deloitte & Touche LLP525571ASPIRITY HOLDINGS LLC15413540003411033Patrick Michael Larson0003411033True
Northern Tier Energy LPhttps://pcaobus.org/form-ap-filings/5183/5183Northern Tier Energy LP51834/4/2017 12:50:47 PM2016ff54b103-92ad-4597-b067-6d69ef1f016c34Deloitte & Touche LLP518263Northern Tier Energy LP1533454NTI0003411033Patrick Michael Larson0003411033True