SIERRA PACIFIC POWER CO
SEC Filing List

CIK: 0000090144

Form Type:

Year

Form	Description	Owner/Filer	Filing Agent	Date	Actions
10-Q	Quarterly report pursuant to Section 13 ...	NEVADA POWER CO , PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , MIDAMERICAN ENERGY CO , BERKSHIRE HATHAWAY ENERGY CO , MIDAMERICAN FUNDING LLC , EASTERN ENERGY GAS HOLDINGS, LLC , EASTERN GAS TRANSMISSION & STORAGE, INC.		05/04/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	NEVADA POWER CO , PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , MIDAMERICAN ENERGY CO , BERKSHIRE HATHAWAY ENERGY CO , MIDAMERICAN FUNDING LLC , EASTERN ENERGY GAS HOLDINGS, LLC , EASTERN GAS TRANSMISSION & STORAGE, INC.		03/26/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	Sierra Pacific Power Co		03/11/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
424B5	Prospectus filed pursuant to Rule 424(b)(5)	Sierra Pacific Power Co		03/06/2026	View ... Create Alert Filing info Download PDF Copy Link
424B5	Prospectus filed pursuant to Rule 424(b)(5)	Sierra Pacific Power Co		03/05/2026	View ... Create Alert Filing info Download PDF Copy Link
FWP	Filing under Securities Act Rules 163/43...	Sierra Pacific Power Co		03/05/2026	View ... Create Alert Filing info Download PDF Copy Link
10-K	Annual report pursuant to Section 13 and...	NEVADA POWER CO , PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , MIDAMERICAN ENERGY CO , BERKSHIRE HATHAWAY ENERGY CO , MIDAMERICAN FUNDING LLC , EASTERN ENERGY GAS HOLDINGS, LLC , EASTERN GAS TRANSMISSION & STORAGE, INC.		03/02/2026	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	NEVADA POWER CO , PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , MIDAMERICAN ENERGY CO , BERKSHIRE HATHAWAY ENERGY CO , MIDAMERICAN FUNDING LLC , EASTERN ENERGY GAS HOLDINGS, LLC , EASTERN GAS TRANSMISSION & STORAGE, INC.	Berkshire Hathaway Energy Co /fa	11/07/2025	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
10-Q	Quarterly report pursuant to Section 13 ...	NEVADA POWER CO , PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , MIDAMERICAN ENERGY CO , BERKSHIRE HATHAWAY ENERGY CO , MIDAMERICAN FUNDING LLC , EASTERN ENERGY GAS HOLDINGS, LLC , EASTERN GAS TRANSMISSION & STORAGE, INC.	Berkshire Hathaway Energy Co /fa	11/03/2025	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
8-K	Current report filing	Sierra Pacific Power Co	Toppan Merrill/fa	09/10/2025	View ... Create Alert Filing info Download PDF Copy Link View XBRL Download CSV
No record found.
Load More