Regulatory Filings
Selected regulatory reports for MidAmerican Energy Holdings Company, PacifiCorp, MidAmerican Energy Company, Northern Natural
Gas Company and Kern River Gas Transmission Company are available below. Visit
Northern Powergrid's website to access the
regulatory reports of Northern Powergrid and its regulated subsidiary companies.
| MidAmerican Energy Co. |
Annual |
Form 1 |
Dec. 31, 2012 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
Sept. 30, 2012 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
June 30, 2012 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
March 31, 2012 |
| MidAmerican Energy Co. |
Annual |
Form 1 |
Dec. 31, 2011 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
Sept. 30, 2011 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
June 30, 2011 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
March 31, 2011 |
| MidAmerican Energy Co. |
Annual |
Form 1 |
Dec. 31, 2010 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
Sept. 30, 2010 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
June 30, 2010 |
| MidAmerican Energy Co. |
Quarterly |
Form 3Q |
March 31, 2010 |