| 10-Q | PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , BERKSHIRE HATHAWAY ENERGY CO | Quarterly report pursuant to Section 13 or 15(d) | | 08/04/2025 | |
| 10-Q | PACIFICORP /OR/ , SIERRA PACIFIC POWER CO , BERKSHIRE HATHAWAY ENERGY CO | Quarterly report pursuant to Section 13 or 15(d) | | 08/04/2025 | |
| 10-K | Berkshire Hathaway Energy Co | Annual report pursuant to Section 13 and 15(d) | | 02/24/2025 | |
| 8-K | Berkshire Hathaway Energy Co | Current report filing | | 12/31/2024 | |
| 8-K | Pacificorp /or/ | Current report filing | | 11/08/2024 | |
| 10-Q | Pacificorp /or/ | Quarterly report pursuant to Section 13 or 15(d) | | 11/04/2024 | |
| 10-Q | 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. | Quarterly report pursuant to Section 13 or 15(d) | | 08/05/2024 | |
| 10-Q | 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. | Quarterly report pursuant to Section 13 or 15(d) | | 05/06/2024 | |
| 8-K | 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. | Current report filing | | 03/26/2024 | |
| 10-K | 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. | Annual report pursuant to Section 13 and 15(d) | | 02/26/2024 | |
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