Tariffs Recent Filings PGA Summaries Iowa Electric Workshops Supplemental Information Electric Gas Btu Factors Cost of Gas Distribution Charges Energy Efficiency Exit Fees Firm Supply Standby Service Gas Retention Factors Imbalance Cashout Rates Imbalance Charges Interruptible Commodity Prices ISR Margin Manufactured Site Clean-Up RTP Illinois Rider 17 Customer Generation

Supplemental Information Gas: Firm Supply Standby Service Navigator Firm Supply Standby Service: 2008 | 2007 | 2006 Transportation Firm Supply Standby Service 2008 Nebraska Effective Date (Month/Year) Pipeline Demand Standby Charge ($/Therm) Commodity January 2008 .74994 Refer to Standby Services. February 2008 .74994 Refer to Standby Services. March 2008 .74994 Refer to Standby Services. April 2008 .74994 Refer to Standby Services. May 2008 .74994 Refer to Standby Services. June 2008 .74994 Refer to Standby Services. July 2008 .74994 Refer to Standby Services. August 2008 .74994 Refer to Standby Services. September 2008 .74994 Refer to Standby Services. October 2008 .74994 Refer to Standby Services. November 2008 .79003 Refer to Standby Services. December 2008     Illinois (Rider 9) Tariff Reference Pipeline Demand Standby Charge Commodity Supplied See Firm Supply Standby Service, III. C. C. No. 2, Sheet No. 18 Applicable Interstate Pipeline Demand Charges Gas Daily Price Plus Applicable Interstate Pipeline and Company Transportation and Fuel Charges Iowa Tariff Reference Pipeline Demand Standby Charge Commodity Supplied See Firm Supply Standby Service, Gas Tariff No. 1,  Sheet Nos. WT-22 & E-32 Applicable Interstate Pipeline Demand Charges 110% of the Gas Daily Price Plus Applicable Interstate Pipeline and Company Transportation and Fuel Charges South Dakota Tariff Reference Pipeline Demand Standby Charge Commodity Supplied See Firm Supply Standby Service,  SD P.U.C. Section No. III-A,  Sheet No. 26 Applicable Interstate Pipeline Demand Charges 110% of the Gas Daily Price Plus Applicable Interstate Pipeline and Company Transportation and Fuel Charges Navigator Firm Supply Standby Service: 2008 | 2007 | 2006 For Your Home | For Your Business | Safety | Rates | Energy Efficiency | Economic Development | Environmental Efforts About Us | Careers | News Room | Storm Center | Wind Energy | Contact | Streetlight Repair Request | System Outage Watch | Energy Choice | For Contractors | For Landlords | ©2008 MidAmerican Energy Holdings Company. All rights reserved.