{"data":{"fips":"19103","name":"Johnson County","state":"Iowa","state_abbr":"IA","url":"https://massoutage.com/iowa/johnson-county","live":{"customers_out":0,"incident_count":0},"latest_year":{"year":2025,"source":"eaglei","customer_minutes":8150475,"peak_customers_out":8629,"event_count":752,"customers_tracked":77769,"avg_minutes_per_customer":104.80364926898893},"yearly":[{"year":2015,"source":"eaglei","customer_minutes":3235260,"peak_customers_out":4054,"event_count":395,"customers_tracked":77769,"avg_minutes_per_customer":41.600894958145275},{"year":2016,"source":"eaglei","customer_minutes":6827580,"peak_customers_out":12594,"event_count":665,"customers_tracked":77769,"avg_minutes_per_customer":87.79307950468696},{"year":2017,"source":"eaglei","customer_minutes":9073515,"peak_customers_out":42670,"event_count":757,"customers_tracked":77769,"avg_minutes_per_customer":116.67264591289589},{"year":2018,"source":"eaglei","customer_minutes":8728650,"peak_customers_out":12865,"event_count":778,"customers_tracked":77769,"avg_minutes_per_customer":112.23816687883347},{"year":2019,"source":"eaglei","customer_minutes":8048535,"peak_customers_out":6942,"event_count":750,"customers_tracked":77769,"avg_minutes_per_customer":103.492844192416},{"year":2020,"source":"eaglei","customer_minutes":146199465,"peak_customers_out":51777,"event_count":705,"customers_tracked":77769,"avg_minutes_per_customer":1879.9195694942714},{"year":2021,"source":"eaglei","customer_minutes":7123560,"peak_customers_out":5738,"event_count":717,"customers_tracked":77769,"avg_minutes_per_customer":91.59896616903907},{"year":2022,"source":"eaglei","customer_minutes":7060455,"peak_customers_out":6548,"event_count":776,"customers_tracked":77769,"avg_minutes_per_customer":90.7875245920611},{"year":2023,"source":"eaglei","customer_minutes":12228315,"peak_customers_out":12293,"event_count":686,"customers_tracked":77769,"avg_minutes_per_customer":157.23893839447595},{"year":2024,"source":"eaglei","customer_minutes":10200900,"peak_customers_out":3665,"event_count":761,"customers_tracked":77769,"avg_minutes_per_customer":131.16923195617792},{"year":2025,"source":"eaglei","customer_minutes":8150475,"peak_customers_out":8629,"event_count":752,"customers_tracked":77769,"avg_minutes_per_customer":104.80364926898893},{"year":2026,"source":"odin","customer_minutes":76490,"peak_customers_out":1462,"event_count":16,"customers_tracked":77769,"avg_minutes_per_customer":0.983553858221142}],"utilities":[{"id":"arcgis-alliant-energy-interstate-power-and-light-19-alliant-energy-interstate-power-and-light","name":"Alliant Energy (Interstate Power & Light)"},{"id":"12341","name":"MIDAMERICAN ENERGY CO"}]},"meta":{"sources":[{"name":"DOE/ORNL ODIN","url":"https://odin.ornl.gov/"},{"name":"DOE EAGLE-I","url":"https://eagle-i.doe.gov/"},{"name":"EIA Form 861 (utility reliability)","url":"https://www.eia.gov/electricity/data/eia861/"}],"last_modified":"2026-07-17T18:33:58.643Z"}}