MidAmerican Energy Co: Outages & Reliability
As of October 7, 2026 09:00 UTC, about 9 MidAmerican Energy Co customers are without power in 2 counties.
MidAmerican Energy Co is an investor owned utility serving 62 counties in 3 states. In 2024, its customers went an average of 5.5 hours without power (SAIDI), across about 1.4 interruptions each. That ranks it #274 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and worse than the Iowa median (3.3 h).
Official reliability (EIA 2024)
US EIARanks #274 of 468 US utilities by reliability (#1 = most reliable) · worse than the Iowa median (3.3 h).
Reliability over time
Official EIA SAIDI, hours without power per customer per year (IEEE, incl. major events). Over this period MidAmerican Energy Co’s reliability has been worsening (lower is better).
Counties served by MidAmerican Energy Co (62)
Service territory reported to EIA-861; each links to live outage status and history.
- Adair County, IA
- Adams County, IA
- Audubon County, IA
- Black Hawk County, IA
- Bremer County, IA
- Buchanan County, IA
- Buena Vista County, IA
- Butler County, IA
- Calhoun County, IA
- Carroll County, IA
- Cass County, IA
- Cerro Gordo County, IA
- Cherokee County, IA
- Chickasaw County, IA
- Clinton County, IA
- Crawford County, IA
- Dallas County, IA
- Floyd County, IA
- Franklin County, IA
- Fremont County, IA
- Hamilton County, IA
- Hardin County, IA
- Harrison County, IA
- Humboldt County, IA
- Ida County, IA
- Jasper County, IA
- Johnson County, IA
- Keokuk County, IA
- Kossuth County, IA
- Lyon County, IA
- Madison County, IA
- Mahaska County, IA
- Marion County, IA
- Mills County, IA
- Monona County, IA
- Monroe County, IA
- Montgomery County, IA
- Muscatine County, IA
- O'Brien County, IA
- Page County, IA
- Palo Alto County, IA
- Plymouth County, IA
- Pocahontas County, IA
- Polk County, IA
- Pottawattamie County, IA
- Poweshiek County, IA
- Sac County, IA
- Scott County, IA
- Shelby County, IA
- Sioux County, IA
- Taylor County, IA
- Wapello County, IA
- Warren County, IA
- Washington County, IA
- Webster County, IA
- Woodbury County, IA
- Wright County, IA
- Henry County, IL
- Mercer County, IL
- Rock Island County, IL
- Lincoln County, SD
- Union County, SD
What causes MidAmerican Energy Co outages
Share of outage-time by reported cause across the counties it serves (territory-wide, may include other utilities in shared counties).
MidAmerican Energy Co: FAQ
- How reliable is MidAmerican Energy Co?
- MidAmerican Energy Co customers averaged 5.5 hours without power in 2024 (SAIDI), which is below average and better than the US average, worse than the Iowa median (3.3 h), per official US EIA data.
- Where does MidAmerican Energy Co rank among US electric utilities?
- By official EIA SAIDI, MidAmerican Energy Co is #274 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.
- How many customers does MidAmerican Energy Co serve?
- MidAmerican Energy Co serves 62 counties across 3 states, per its EIA-861 service territory filing.
- Where does MidAmerican Energy Co provide power?
- MidAmerican Energy Co operates in Illinois, Iowa, South Dakota. The full list of counties served is below, each linked to its live outage status.
Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: Iowa.
Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of .