Imperial Irrigation District Electricity Rates and Average Bill (California)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Imperial Irrigation District's residential customers in California paid an average effective rate of 16.24¢/kWh with an average monthly bill of $345.39, per EIA Form 861-M data. That rate is 13.5¢ below the California average of 29.75¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the California average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 16.40 | 275.99 | 1682 |
| October 2025 | 16.62 | 184.26 | 1109 |
| November 2025 | 21.01 | 166.94 | 795 |
| December 2025 | 21.39 | 131.41 | 614 |
| January 2026 | 23.97 | 152.41 | 636 |
| February 2026 | 24.12 | 143.00 | 593 |
| March 2026 | 23.67 | 184.84 | 781 |
| April 2026 | 23.37 | 232.70 | 996 |
| May 2026 | 23.34 | 236.00 | 1011 |
| June 2026 | 23.04 | 322.64 | 1401 |
| July 2026 | 20.02 | 370.32 | 1850 |
| August 2026 | 16.24 | 345.39 | 2127 |
Imperial Irrigation District vs California vs the U.S.
| Imperial Irrigation District | California | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 16.24¢/kWh | 29.75¢/kWh | 18.16¢/kWh |
| Average monthly bill | $345.39 | $234.85 | $209.23 |
| Average monthly usage | 2127 kWh | 789 kWh | 1152 kWh |
| Rate change, 1 year | −0.3% | −3.8% | +3.4% |
Estimate a bill at Imperial Irrigation District rates
Worked example: 1,000 kWh at Imperial Irrigation District's average effective rate of 16.24¢/kWh is about $162.40. The utility's actual average usage is 2127 kWh/month, which produces the $345.39 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full California rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.