SOUTHERN CO (SO) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-03-31..
- Stock-based compensation / revenue · 12 months: Value (m); Formula and calculation Share-based compensation / revenue. Period ending 2026-03-31..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-03-31; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-03-31. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-03-31. Calculation unavailable: missing inputs remain (m). |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 30.18B USD | |
| Stock-based compensation | (m) | |
| Operating income | 7.29B USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | · Estimated expense assumptions |
Latest interest expense basis: (m). Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-31 | (m) | $30.18B | (m) | $7.29B | (m) | (m) | (m) | (m) | (m) |
| 2025-12-31 | (m) | $29.55B | (m) | $7.29B | (m) | (m) | (m) | (m) | (m) |
| 2025-09-30 | (m) | $28.91B | (m) | $7.43B | (m) | (m) | (m) | (m) | (m) |
| 2025-06-30 | (m) | $28.36B | (m) | $7.20B | (m) | (m) | (m) | (m) | (m) |
| 2025-03-31 | (m) | $27.85B | (m) | $7.38B | (m) | (m) | (m) | (m) | (m) |
| 2024-12-31 | (m) | $26.72B | (m) | $7.07B | (m) | (m) | (m) | (m) | (m) |
| 2024-09-30 | (m) | $26.43B | (m) | $7.22B | (m) | (m) | (m) | (m) | (m) |
| 2024-06-30 | (m) | $26.13B | (m) | $6.96B | (m) | (m) | (m) | (m) | (m) |
| 2024-03-31 | (m) | $25.42B | (m) | $6.31B | (m) | (m) | (m) | (m) | (m) |
| 2023-12-31 | (m) | $25.25B | (m) | $5.83B | (m) | (m) | (m) | (m) | (m) |
| 2023-09-30 | (m) | $26.25B | (m) | $4.76B | (m) | (m) | (m) | (m) | (m) |
| 2023-06-30 | (m) | $27.65B | (m) | $4.84B | (m) | (m) | (m) | (m) | (m) |
| 2023-03-31 | (m) | $29.11B | (m) | $5.20B | (m) | (m) | (m) | (m) | (m) |
| 2022-12-31 | (m) | $29.28B | (m) | $5.37B | (m) | (m) | (m) | (m) | (m) |
| 2022-09-30 | (m) | $28.00B | (m) | $4.90B | (m) | (m) | (m) | (m) | (m) |
| 2022-06-30 | (m) | $25.86B | (m) | $4.43B | (m) | (m) | (m) | (m) | (m) |
| 2022-03-31 | (m) | $23.85B | (m) | $3.48B | (m) | (m) | (m) | (m) | (m) |
| 2021-12-31 | (m) | $23.11B | (m) | $3.70B | (m) | (m) | (m) | (m) | (m) |
| 2021-09-30 | (m) | $22.46B | (m) | $4.76B | (m) | (m) | (m) | (m) | (m) |
| 2021-06-30 | (m) | $21.84B | (m) | $4.87B | (m) | (m) | (m) | (m) | (m) |
| 2021-03-31 | (m) | $21.27B | (m) | $5.22B | (m) | (m) | (m) | (m) | (m) |
| 2020-12-31 | (m) | $20.38B | (m) | $4.88B | (m) | (m) | (m) | (m) | (m) |
| 2020-09-30 | (m) | $20.17B | (m) | $4.85B | (m) | (m) | (m) | (m) | (m) |
| 2020-06-30 | (m) | $20.55B | (m) | $5.02B | (m) | (m) | (m) | (m) | (m) |
| 2020-03-31 | (m) | $21.02B | (m) | $5.31B | (m) | (m) | (m) | (m) | (m) |
| 2019-12-31 | (m) | $21.42B | (m) | $7.74B | (m) | (m) | (m) | (m) | (m) |
| 2019-09-30 | (m) | $21.84B | (m) | $7.62B | (m) | (m) | (m) | (m) | (m) |
| 2019-06-30 | (m) | $22.01B | (m) | $7.79B | (m) | (m) | (m) | (m) | (m) |
| 2019-03-31 | (m) | $22.54B | (m) | $6.51B | (m) | (m) | (m) | (m) | (m) |
| 2018-12-31 | (m) | $23.50B | (m) | $4.19B | (m) | (m) | (m) | (m) | (m) |
| 2018-09-30 | (m) | $23.79B | (m) | $4.57B | (m) | (m) | (m) | (m) | (m) |
| 2018-06-30 | (m) | $23.83B | (m) | $4.39B | (m) | (m) | (m) | (m) | (m) |
| 2018-03-31 | (m) | $23.63B | (m) | $2.67B | (m) | (m) | (m) | (m) | (m) |
| 2017-12-31 | (m) | $23.03B | (m) | $2.55B | (m) | (m) | (m) | (m) | (m) |
| 2017-09-30 | (m) | $22.58B | (m) | $2.34B | (m) | (m) | (m) | (m) | (m) |
| 2017-06-30 | (m) | $22.65B | (m) | $2.22B | (m) | (m) | (m) | (m) | (m) |
| 2017-03-31 | (m) | $21.68B | (m) | $5.00B | (m) | (m) | (m) | (m) | (m) |
| 2016-12-31 | (m) | $19.90B | (m) | $4.63B | (m) | (m) | (m) | (m) | (m) |
| 2016-09-30 | (m) | $18.28B | (m) | $4.62B | (m) | (m) | (m) | (m) | (m) |
| 2016-06-30 | (m) | $17.42B | (m) | $4.35B | (m) | (m) | (m) | (m) | (m) |
| 2016-03-31 | (m) | $17.27B | (m) | $4.26B | (m) | (m) | (m) | (m) | (m) |
| 2015-12-31 | (m) | $17.49B | (m) | $4.28B | (m) | (m) | (m) | (m) | (m) |
| 2015-09-30 | (m) | $17.94B | (m) | $4.26B | (m) | (m) | (m) | (m) | (m) |
| 2015-06-30 | (m) | $17.88B | (m) | $3.89B | (m) | (m) | (m) | (m) | (m) |
| 2015-03-31 | (m) | $18.01B | (m) | $3.90B | (m) | (m) | (m) | (m) | (m) |
| 2014-12-31 | (m) | $18.47B | (m) | $3.64B | (m) | (m) | (m) | (m) | (m) |
| 2014-09-30 | (m) | $18.38B | (m) | $3.88B | (m) | (m) | (m) | (m) | (m) |
| 2014-06-30 | (m) | $18.05B | (m) | $4.09B | (m) | (m) | (m) | (m) | (m) |
| 2014-03-31 | (m) | $17.83B | (m) | $3.63B | (m) | (m) | (m) | (m) | (m) |
| 2013-12-31 | (m) | $17.09B | (m) | $3.25B | (m) | (m) | (m) | (m) | (m) |
| 2013-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-03-31 | (m) | $16.83B | (m) | $4.02B | (m) | (m) | (m) | (m) | (m) |
| 2012-12-31 | (m) | $16.54B | (m) | $4.46B | (m) | (m) | (m) | (m) | (m) |
| 2012-09-30 | (m) | $16.53B | (m) | $4.24B | (m) | (m) | (m) | (m) | (m) |
| 2012-06-30 | (m) | $16.91B | (m) | $4.15B | (m) | (m) | (m) | (m) | (m) |
| 2012-03-31 | (m) | $17.25B | (m) | $4.14B | (m) | (m) | (m) | (m) | (m) |
| 2011-12-31 | (m) | $17.66B | (m) | $4.23B | (m) | (m) | (m) | (m) | (m) |
| 2011-09-30 | (m) | $17.73B | (m) | $4.11B | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | $17.62B | (m) | $3.92B | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | $17.31B | (m) | $3.73B | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | $17.46B | (m) | $3.80B | (m) | (m) | (m) | (m) | (m) |
| 2010-09-30 | (m) | $17.19B | (m) | $3.81B | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | $16.56B | (m) | $3.77B | (m) | (m) | (m) | (m) | (m) |
| 2010-03-31 | (m) | $16.23B | (m) | $3.70B | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | (m) | $15.74B | (m) | $3.27B | (m) | (m) | (m) | (m) | (m) |
| 2009-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-31 | (m) | $17.13B | (m) | $3.51B | (m) | (m) | (m) | (m) | (m) |
| 2008-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2007-12-31 | (m) | $15.35B | (m) | $3.33B | (m) | (m) | (m) | (m) | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
Similar stocks
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Constellation Energy Corp (CEG) | United States | $92.697B | 25.39 |
| AMERICAN ELECTRIC POWER CO INC (AEP) | United States | $63.976B | 18.67 |
| DOMINION ENERGY, INC (D) | United States | $53.119B | 18.40 |
| Vistra Corp. (VST) | United States | $46.294B | 24.02 |
| ENTERGY CORP /DE/ (ETR) | United States | $44.941B | 28.55 |
| NEXTERA ENERGY INC (NEE) | United States | $157.694B | 23.67 |
| DTE ENERGY CO (DTE) | United States | $25.218B | 24.06 |
| FIRSTENERGY CORP (FE) | United States | $24.988B | 27.52 |
| CENTERPOINT ENERGY INC (CNP) | United States | $24.100B | 26.37 |
| PPL Corp (PPL) | United States | $24.068B | 23.57 |