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Idaho Rates Summary

On Friday, May 27, the IPUC issued orders approving Idaho Power’s annual Fixed Cost Adjustment (FCA) and Power Cost Adjustment (PCA) filings. The FCA was filed March 15, 2016 and the PCA was filed April 15, 2016. The combined impact of these annual rate adjustments will be an overall rate increase for customers effective June 1.

The FCA only affects Idaho residential and small general service customers, and the PCA affects all Idaho customers. The FCA and PCA are not filed in Oregon and do not affect Oregon customers.

Here are the bill impacts for an average Idaho Power residential customer in Idaho using 1,000 kilowatt-hours of energy a month:

  • This year’s FCA will be an average bill increase of $2.16 a month.
  • This year’s PCA will be an average bill increase of $1.32.
  • The combined impact of the adjustments to the FCA and PCA will be an average bill increase of $3.48 a month.

Both the PCA and FCA are reflected under the “Annual Adjustment Mechanism” line item on customer bills. The individual impact of the FCA and PCA are found below, as well as the combined impact of both filings.

The following table provides the combined impact of the FCA and PCA orders:


  Residential Small
Large Power Irrigation Overall
FCA 2.20% 2.25% N/A N/A N/A 1.01%
PCA 1.35% 1.16% 1.68% 2.06% 1.58% 1.57%
Total FCA
3.55% 3.41% 1.68% 2.06% 1.58% 2.58%

Please use links below for specific information by rate class.

Idaho Power works hard to provide reliable, fair-priced electric service to our customers. We understand any price increase has an impact on our customers, and are sensitive to the fact that price changes have real implications on customer bills and budgets. Although prices sometimes change, at the end of the day we all still pay a low price for our electricity relative to the value it provides.

Learn why Idaho Power needs to change rates, and what you can do to manage your bill and control costs.


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