Retail electricity customers: residential: Illinois (Units) - United States - EIA - Monthly
This series is part of the dataset: US retail electricity prices (EIA)
Download Full Dataset (.xlsx)Latest updates. In Illinois, the number of retail electricity customers in the residential sector was 5,418,916 in July 2026, compared to 5,417,992 in June 2026.
Sample. There are 235 observations overall in the monthly time series displayed in the graph above. The time range covered by the series stretches from January 2007 to July 2026.
History. Have a look at a few statistics computed on the whole sample: the customer count had a mean value of 5,205,616; it recorded a minimum of 4,512,325 in January 2007; it attained a maximum of 5,468,329 in April 2024.
Latest values
| Date | Value - Units |
|---|---|
| 2026-05-31 | 5,410,276 |
| 2026-06-30 | 5,417,992 |
| 2026-07-31 | 5,418,916 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Retail electricity customer count for the residential sector in Illinois |
| Country | United States |
| Economic concept | Stock |
| Data type | Quantity |
| Seasonally adjusted | No |
| Deflation method | Current prices |
| Rescaling | None |
| Measure type | Level |
| Frequency | Monthly |
| Unit | Units |
| Source | U.S. Energy Information Administration (EIA) |
| Source type | Government agency |
| Data licence | Public domain |
| Other information | Not available |
| FSR temporal aggregation code | LM1 |
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