Southern (SO) Tax Rate (2009 - 2026)
Southern's Tax Rate came in at 13.60% for Q2 2026, down 11.71 percentage points from 25.31% a year earlier and down 0.96 percentage points from the prior quarter.
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Analysis
Southern (SO) Tax Rate (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Southern reported Tax Rate of 12.84%, down 7.06 percentage points year-over-year; for FY2025, it was 16.56%, down 1.97 percentage points from FY2024.
- Tax Rate carries a five-year change of +5.32 percentage points (FY2020 to FY2025).
- Going back by year, Tax Rate was 18.53% in FY2024 (+7.12 pp), 11.42% in FY2023 (-7.41 pp), 18.83% in FY2022 (+8.46 pp) and 10.36% in FY2021 (-0.88 pp).
- The Q2 2026 figure represents the lowest quarterly Tax Rate since Q4 2023.
- Year-over-year, Tax Rate increased in four of the last seven quarters, with an average year-over-year change of +1.04 percentage points.
- The fastest year-over-year change in Tax Rate over five years came in Q4 2024 (a gain of 14.00 percentage points), and the weakest in Q2 2026 (a drop of 11.71 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 | Xcel Energy | 44.58 Bn | 39.49 Bn | - | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 13.60% |
| Mar 31, 2026 | 14.56% |
| Sep 30, 2025 | 19.14% |
| Jun 30, 2025 | 25.31% |
| Mar 31, 2025 | 18.06% |
| Dec 31, 2024 | 14.50% |
| Sep 30, 2024 | 19.72% |
| Jun 30, 2024 | 19.62% |
| Mar 31, 2024 | 17.23% |
| Dec 31, 2023 | 0.50% |
| Sep 30, 2023 | 17.18% |
| Jun 30, 2023 | 10.64% |
| Mar 31, 2023 | 10.83% |
| Sep 30, 2022 | 21.78% |
| Jun 30, 2022 | 21.82% |
| Mar 31, 2022 | 14.86% |
| Sep 30, 2021 | 25.10% |
| Mar 31, 2021 | 14.65% |
| Sep 30, 2020 | 18.59% |
| Jun 30, 2020 | 0.80% |
API Access
Southern 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=SO&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "SO", "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=SO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();