Financial Filings
Visit the SEC EDGAR database to access the U.S. Securities and Exchange Commission reports for: Visit Northern Powergrid’s website to access the financial reports of Northern Powergrid and its regulated subsidiary companies. Financial reports for MidAmerican Energy Holdings Company and selected subsidiaries are available below:





Financial Filings
Company Financial Report Date XBRL Exhibit
MidAmerican Energy Co. Annual Dec. 31, 2013 XBRL
MidAmerican Energy Co. Quarterly Sept. 30, 2013 XBRL
MidAmerican Energy Co. Quarterly June 30, 2013 XBRL
MidAmerican Energy Co. Quarterly March 31, 2013 XBRL
MidAmerican Energy Co. Annual Dec. 31, 2012 XBRL
MidAmerican Energy Co. Quarterly Sept. 30, 2012 XBRL
MidAmerican Energy Co. Quarterly June 30, 2012 XBRL
MidAmerican Energy Co. Quarterly March 31, 2012 XBRL
MidAmerican Energy Co. Annual Dec. 31, 2011 XBRL
MidAmerican Energy Co. Quarterly Sept. 30, 2011 XBRL
MidAmerican Energy Co. Quarterly June 30, 2011 XBRL
MidAmerican Energy Co. Quarterly March 31, 2011