Idacorp Inc (IDA) Tax Rate (2009 - 2026)
Idacorp (IDA) recorded Tax Rate of 12.15% in Q2 2026, up 19.62 percentage points from -7.47% a year earlier and up 11.55 percentage points from the prior quarter.
Powered by 
Analysis
Idacorp Inc (IDA) Tax Rate (2009 - 2026) Analysis & Trends
On a TTM basis, Idacorp's Tax Rate came in at 5.59% as of Jun 30, 2026, up 7.78 percentage points year-over-year; for FY2025, it came in at -4.42%, down 9.35 percentage points from FY2024.
- Annual Tax Rate has declined for four straight years, with a five-year change of -15.18 percentage points (FY2020 to FY2025).
- Across earlier years, Tax Rate came in at 4.94% in FY2024 (-4.50 pp), 9.44% in FY2023 (-3.29 pp), 12.72% in FY2022 (-0.33 pp) and 13.05% in FY2021 (+2.29 pp).
- The Q2 2026 figure is the highest quarterly Tax Rate since Q3 2024.
- On a year-over-year basis, Tax Rate has increased for three consecutive quarters, with an average year-over-year change of +1.51 percentage points over the last eight quarters.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 27.01 percentage points in Q1 2026, against a drop of 24.22 percentage points in Q1 2024 at the low end.
- Per Business Quant, the preceding three quarters came in at 0.60% (Q1 2026), -5.44% (Q4 2025) and 5.81% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 12.15% |
| Mar 31, 2026 | 0.60% |
| Sep 30, 2025 | 5.81% |
| Sep 30, 2024 | 12.56% |
| Jun 30, 2024 | 8.24% |
| Sep 30, 2023 | 11.53% |
| Jun 30, 2023 | 10.56% |
| Mar 31, 2023 | 11.24% |
| Dec 31, 2022 | 16.08% |
| Sep 30, 2022 | 12.66% |
| Jun 30, 2022 | 11.38% |
| Mar 31, 2022 | 11.54% |
| Dec 31, 2021 | 9.33% |
| Sep 30, 2021 | 15.07% |
| Jun 30, 2021 | 13.61% |
| Mar 31, 2021 | 10.20% |
| Dec 31, 2020 | 12.84% |
| Sep 30, 2020 | 10.77% |
| Jun 30, 2020 | 10.26% |
| Mar 31, 2020 | 9.40% |
API Access
Idacorp Inc Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=IDA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "IDA", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=IDA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();