PacifiCorp Electricity Rates and Average Bill (Idaho)

Data through April 2026 (the latest month EIA has published) · Updated July 05, 2026

As of April 2026, PacifiCorp's residential customers in Idaho paid an average effective rate of 13.4¢/kWh with an average monthly bill of $99.89, per EIA Form 861-M data. That rate is 0.7¢ above the Idaho average of 12.7¢/kWh; the U.S. average is 18.83¢/kWh.

Average rate
13.4¢/kWh
+1.9% year over year
Average bill
$99.89
+1.7% year over year
Average usage
746 kWh/mo
vs 763 ID average
Residential customers
76,733
Investor Owned

Rate trend vs the Idaho average

View this chart as a table (last 12 months)
MonthRate (¢/kWh)Avg bill ($/mo)Avg usage (kWh/mo)
May 202513.6496.55708
June 202515.32117.58767
July 202516.22149.55922
August 202515.08128.58853
September 202515.68105.43672
October 202515.86122.28771
November 202512.34108.91883
December 202510.66115.151081
January 202612.1135.481120
February 202612.19108.32888
March 202612.73105.49829
April 202613.499.89746

PacifiCorp vs Idaho vs the U.S.

PacifiCorpIdahoU.S. average
Rate (April 2026)13.4¢/kWh12.7¢/kWh18.83¢/kWh
Average monthly bill$99.89$96.82$127.71
Average monthly usage746 kWh763 kWh678 kWh
Rate change, 1 year+1.9%+6.8%+7.3%

Estimate a bill at PacifiCorp rates

1,000 kWh × 13.4¢ ≈ $134.00

Worked example: 1,000 kWh at PacifiCorp's average effective rate of 13.4¢/kWh is about $134.00. The utility's actual average usage is 746 kWh/month, which produces the $99.89 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.

See the full Idaho 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.