Eversource Energy (ES) Tax Rate (2009 - 2026)
Eversource Energy's Tax Rate came in at 28.60% for Q1 2026, up 2.19 percentage points from 26.41% a year earlier and up 12.40 percentage points from the prior quarter.
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Analysis
Eversource Energy (ES) Tax Rate (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Mar 31, 2026, Eversource Energy reported Tax Rate of 9.74%, down 22.45 percentage points year-over-year; for FY2025, it was 8.04%, down 24.70 percentage points from FY2024.
- Tax Rate carries a five-year change of -15.83 percentage points (FY2020 to FY2025).
- Going back by year, Tax Rate was 32.74% in FY2024 (+22.39 pp), 10.34% in FY2023 (-19.50 pp), 29.84% in FY2022 (+5.45 pp) and 24.40% in FY2021 (+0.52 pp).
- The five-year range for quarterly Tax Rate is 8.47% (Q2 2023) to 129.23% (Q4 2024).
- Year-over-year, Tax Rate increased in three of the last six quarters, with an average year-over-year change of -13.44 percentage points.
- The fastest year-over-year change in Tax Rate over five years came in Q2 2024 (a gain of 24.52 percentage points), and the weakest in Q4 2025 (a drop of 113.03 percentage points).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 287.73 Bn | 287.73 Bn | 890.00 Mn | - |
| 2 | Nextera Energy | 160.25 Bn | 161.15 Bn | - | - |
| 3 | Southern | 96.31 Bn | 87.36 Bn | 5.92 Bn | 13.60% |
| 4 | Duke Energy | 88.79 Bn | 87.40 Bn | 6.74 Bn | 17.55% |
| 5 | National Grid | 79.16 Bn | 60.69 Bn | - | - |
| 6 | American Electric Power | 65.09 Bn | 63.47 Bn | 3.84 Bn | 6.75% |
| 7 | Dominion Energy | 53.95 Bn | 56.63 Bn | - | 16.49% |
| 8 | Sempra | 51.22 Bn | 50.35 Bn | 2.89 Bn | 22.09% |
| 9 | Entergy | 47.09 Bn | 36.28 Bn | - | 21.26% |
| 10 | Eversource Energy | 24.25 Bn | 24.41 Bn | - | 28.60% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | 28.60% |
| Dec 31, 2025 | 16.20% |
| Jun 30, 2025 | 29.91% |
| Mar 31, 2025 | 26.41% |
| Dec 31, 2024 | 129.23% |
| Sep 30, 2024 | 24.55% |
| Jun 30, 2024 | 32.99% |
| Mar 31, 2024 | 27.30% |
| Sep 30, 2023 | 14.87% |
| Jun 30, 2023 | 8.47% |
| Mar 31, 2023 | 27.20% |
| Dec 31, 2022 | 31.09% |
| Sep 30, 2022 | 31.04% |
| Jun 30, 2022 | 32.35% |
| Mar 31, 2022 | 26.68% |
| Dec 31, 2021 | 15.47% |
| Sep 30, 2021 | 28.06% |
| Jun 30, 2021 | 28.22% |
| Mar 31, 2021 | 25.45% |
| Dec 31, 2020 | 22.10% |
API Access
Eversource Energy 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=ES&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "ES", "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=ES&period=max&api_key=YOUR_API_KEY");
const data = await res.json();