Delaware Electric Cooperative Electricity Rates and Average Bill (Delaware)
Data through June 2026 (the latest month EIA has published) · Updated September 04, 2026
As of June 2026, Delaware Electric Cooperative's residential customers in Delaware paid an average effective rate of 15.92¢/kWh with an average monthly bill of $143.41, per EIA Form 861-M data. That rate is 3.4¢ below the Delaware average of 19.29¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the Delaware average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 13.20 | 178.05 | 1349 |
| August 2025 | 13.26 | 175.38 | 1322 |
| September 2025 | 14.32 | 138.15 | 965 |
| October 2025 | 15.15 | 118.73 | 784 |
| November 2025 | 15.13 | 118.54 | 784 |
| December 2025 | 13.53 | 159.96 | 1182 |
| January 2026 | 13.19 | 173.95 | 1319 |
| February 2026 | 12.64 | 204.93 | 1622 |
| March 2026 | 13.49 | 161.13 | 1194 |
| April 2026 | 14.93 | 122.12 | 818 |
| May 2026 | 16.51 | 129.19 | 783 |
| June 2026 | 15.92 | 143.41 | 901 |
Delaware Electric Cooperative vs Delaware vs the U.S.
| Delaware Electric Cooperative | Delaware | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 15.92¢/kWh | 19.29¢/kWh | 18.34¢/kWh |
| Average monthly bill | $143.41 | $171.43 | $170.65 |
| Average monthly usage | 901 kWh | 889 kWh | 930 kWh |
| Rate change, 1 year | +5.8% | +6.2% | +5.0% |
Estimate a bill at Delaware Electric Cooperative rates
Worked example: 1,000 kWh at Delaware Electric Cooperative's average effective rate of 15.92¢/kWh is about $159.20. The utility's actual average usage is 901 kWh/month, which produces the $143.41 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Delaware 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.