Revenue growth reached 8.0% in 2026Q1, supported by a 24.0% operating margin that reflects the successful integration of major capital projects into the rate base.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Revenue | 30.17B | 29.55B | 26.72B | 25.25B | 29.28B | 23.11B | 20.38B | 21.42B | 23.5B | 23.03B | 19.9B | 17.49B | 18.47B | 17.09B | 16.54B | 17.66B | 17.46B | 15.74B | 17.13B | 15.35B | 14.36B | 13.55B | 11.73B | 11.19B | 10.51B | 10.15B | 10.07B | 9.32B | 9.5B | 12.61B | 10.36B |
| Revenue Growth % | 8.33% | 10.59% | 5.83% | -13.75% | 26.68% | 13.44% | -4.87% | -8.84% | 2.01% | 15.76% | 13.76% | -5.3% | 8.08% | 3.33% | -6.34% | 1.15% | 10.88% | -8.08% | 11.55% | 6.94% | 5.92% | 15.56% | 4.85% | 6.39% | 3.54% | 0.88% | 8.04% | -1.92% | -24.68% | 21.75% | 12.83% |
| Cost of Revenue | 17.16B | 20.74B | 13.38B | 13.54B | 18.65B | 12.87B | 10.48B | 11.82B | 13.88B | 13.12B | 11.37B | 9.81B | 11.03B | 9.82B | 9.37B | 10.81B | 7.26B | 6.43B | 7.63B | 6.37B | 5.7B | 5.23B | 4.04B | 5.83B | 5.36B | 5.19B | 5.1B | 4.58B | 4.57B | 7.24B | 5.21B |
| Gross Profit | 13.01B | 8.81B | 13.34B | 11.71B | 10.63B | 10.25B | 9.9B | 9.6B | 9.62B | 9.91B | 8.53B | 7.68B | 7.44B | 7.27B | 7.16B | 6.85B | 10.19B | 9.32B | 9.49B | 8.98B | 8.66B | 8.33B | 7.69B | 5.36B | 5.15B | 4.96B | 4.96B | 4.74B | 4.93B | 5.37B | 5.15B |
| Gross Margin % | 43.11% | 29.81% | 49.93% | 46.36% | 36.3% | 44.33% | 48.57% | 44.83% | 40.93% | 43.05% | 42.87% | 43.9% | 40.27% | 42.55% | 43.32% | 38.79% | 58.4% | 59.18% | 55.43% | 58.5% | 60.33% | 61.44% | 65.54% | 47.87% | 48.99% | 48.85% | 49.31% | 50.9% | 51.9% | 42.56% | 49.72% |
| Gross Profit Growth % | - | -33.98% | 13.96% | 10.17% | 3.71% | 3.54% | 3.06% | -0.14% | -3.02% | 16.24% | 11.1% | 3.25% | 2.28% | 1.48% | 4.6% | -32.81% | 9.41% | -1.86% | 5.7% | 3.71% | 4% | 8.34% | 43.55% | 3.96% | 3.83% | -0.06% | 4.68% | -3.81% | -8.14% | 4.21% | 4.31% |
| Operating Expenses | 5.72B | 1.54B | 6.27B | 5.88B | 5.26B | 6.55B | 5.01B | 1.87B | 5.42B | 7.58B | 4.04B | 3.4B | 3.79B | 4.01B | 2.7B | 2.62B | 10.19B | 9.32B | 9.49B | 8.98B | 8.66B | 8.33B | 7.69B | 5.36B | 5.15B | 4.96B | 4.96B | 4.74B | 4.93B | 5.37B | 5.15B |
| Other Operating Expenses | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| EBITDA | 13.34B | 13.3B | 12.33B | 10.81B | 9.43B | 7.67B | 8.79B | 11.07B | 7.74B | 5.79B | 7.41B | 6.68B | 5.93B | 5.55B | 6.61B | 6.28B | 5.63B | 5.26B | 5.21B | 4.81B | 4.64B | 4.36B | 3.98B | 4.03B | 3.77B | 3.75B | 3.74B | 3.47B | 3.81B | 4.26B | 3.94B |
| EBITDA Margin % | 44.22% | 45.01% | 46.15% | 42.81% | 32.22% | 33.19% | 43.14% | 51.67% | 32.94% | 25.14% | 37.24% | 38.18% | 32.14% | 32.5% | 39.96% | 35.56% | 32.27% | 33.4% | 30.42% | 31.34% | 32.36% | 32.17% | 33.95% | 35.99% | 35.83% | 36.92% | 37.17% | 37.21% | 40.1% | 33.76% | 38.03% |
| EBITDA Growth % | 4.32% | 7.84% | 14.08% | 14.61% | 22.98% | -12.73% | -20.57% | 42.98% | 33.68% | -21.85% | 10.96% | 12.5% | 6.88% | -15.97% | 5.24% | 11.47% | 7.13% | 0.92% | 8.27% | 3.6% | 6.54% | 9.49% | -1.09% | 6.88% | 0.48% | 0.19% | 7.93% | -8.98% | -10.52% | 8.07% | 2.98% |
| Depreciation & Amortization | 6.06B | 6.03B | 5.27B | 4.99B | 4.06B | 3.97B | 3.9B | 3.33B | 3.55B | 3.46B | 2.92B | 2.4B | 2.29B | 2.3B | 2.15B | 2.05B | 1.83B | 1.79B | 1.7B | 1.49B | 1.42B | 1.4B | 1.16B | 1.22B | 1.19B | 1.36B | 1.34B | 1.22B | 1.53B | 1.59B | 1.34B |
| D&A / Revenue % | 20.07% | 20.4% | 19.71% | 19.74% | 13.88% | 17.19% | 19.17% | 15.55% | 15.11% | 15.01% | 14.69% | 13.69% | 12.42% | 13.45% | 12.97% | 11.6% | 10.49% | 11.36% | 9.95% | 9.68% | 9.9% | 10.31% | 9.9% | 10.92% | 11.27% | 13.37% | 13.28% | 13.05% | 16.11% | 12.62% | 12.92% |
| Operating Income (EBIT) | 7.29B | 7.27B | 7.07B | 5.83B | 5.37B | 3.7B | 4.88B | 7.74B | 4.19B | 2.33B | 4.49B | 4.28B | 3.64B | 3.25B | 4.46B | 4.23B | 3.8B | 3.47B | 3.51B | 3.33B | 3.22B | 2.96B | 2.82B | 2.81B | 2.58B | 2.39B | 2.4B | 2.25B | 2.28B | 2.67B | 2.6B |
| Operating Margin % | 24.15% | 24.6% | 26.45% | 23.07% | 18.34% | 16% | 23.98% | 36.12% | 17.84% | 10.13% | 22.55% | 24.48% | 19.72% | 19.05% | 26.99% | 23.96% | 21.78% | 22.04% | 20.47% | 21.66% | 22.46% | 21.85% | 24.05% | 25.08% | 24.56% | 23.55% | 23.89% | 24.16% | 23.99% | 21.13% | 25.11% |
| Operating Income Growth % | - | 2.87% | 21.32% | 8.49% | 45.21% | -24.3% | -36.85% | 84.59% | 79.64% | -47.99% | 4.76% | 17.57% | 11.89% | -27.07% | 5.48% | 11.28% | 9.57% | -1.03% | 5.41% | 3.16% | 8.85% | 5% | 0.57% | 8.64% | 7.99% | -0.58% | 6.84% | -1.23% | -14.48% | 2.46% | -3.34% |
| Interest Expense | 4M | 3.31B | 2.74B | 2.45B | 2.02B | 1.84B | 1.82B | 1.74B | 1.84B | 1.69B | 1.32B | 840M | 835M | 824M | 859M | 857M | 895M | 905M | 866M | 886M | 866M | 747M | 640M | 527M | 492M | 557M | 643M | 527M | 558M | 839M | 664M |
| Interest Coverage | - | 2.51x | 2.91x | 2.78x | 3.09x | 2.40x | 2.92x | 4.77x | 2.49x | 1.63x | 3.64x | 5.32x | 4.60x | 4.11x | 5.36x | 5.07x | 4.43x | 3.88x | 4.14x | 3.90x | 3.72x | 3.93x | 4.30x | 4.96x | 4.75x | 4.01x | 3.46x | 3.87x | 3.97x | 3.16x | 2.70x |
| Interest / Revenue % | 0.01% | 11.18% | 10.26% | 9.69% | 6.91% | 7.95% | 8.94% | 8.1% | 7.84% | 7.36% | 6.62% | 4.8% | 4.52% | 4.82% | 5.19% | 4.85% | 5.13% | 5.75% | 5.06% | 5.77% | 6.03% | 5.51% | 5.46% | 4.71% | 4.68% | 5.48% | 6.39% | 5.66% | 5.87% | 6.65% | 6.41% |
| Non-Operating Income | -4M | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K |
| Pretax Income | 5.01B | 5B | 5.23B | 4.34B | 4.22B | 2.58B | 3.5B | 6.54B | 2.75B | 1.07B | 3.48B | 3.63B | 3.01B | 2.56B | 3.75B | 3.49B | 3.07B | 2.6B | 2.72B | 2.57B | 2.35B | 2.19B | 2.11B | 2.09B | 1.85B | 1.68B | 1.58B | 1.51B | 1.66B | 1.81B | 1.13B |
| Pretax Margin % | 16.62% | 16.92% | 19.57% | 17.21% | 14.42% | 11.15% | 17.16% | 30.54% | 11.7% | 4.64% | 17.49% | 20.75% | 16.29% | 14.98% | 22.67% | 19.75% | 17.56% | 16.54% | 15.89% | 16.73% | 16.39% | 16.13% | 18.02% | 18.65% | 17.56% | 16.51% | 15.72% | 16.25% | 17.43% | 14.36% | 10.88% |
| Income Tax | 772M | 828M | 969M | 496M | 795M | 267M | 393M | 1.8B | 449M | 142M | 951M | 1.19B | 977M | 849M | 1.33B | 1.22B | 1.03B | 896M | 915M | 835M | 780M | 595M | 585M | 612M | 528M | 558M | 588M | 599M | 670M | 839M | 0 |
| Effective Tax Rate % | 15.39% | 16.56% | 18.53% | 11.42% | 18.83% | 10.36% | 11.24% | 27.48% | 16.33% | 13.3% | 27.33% | 32.9% | 32.48% | 33.18% | 35.58% | 34.96% | 33.46% | 34.41% | 33.61% | 32.5% | 33.15% | 27.22% | 27.67% | 29.34% | 28.6% | 33.27% | 37.17% | 39.56% | 40.46% | 46.33% | 0% |
| Net Income | 4.36B | 4.34B | 4.4B | 3.98B | 3.54B | 2.41B | 3.13B | 4.75B | 2.24B | 880M | 2.49B | 2.42B | 2.03B | 1.71B | 2.42B | 2.27B | 2.04B | 1.71B | 1.81B | 1.73B | 1.57B | 1.59B | 1.53B | 1.47B | 1.32B | 1.26B | 1.31B | 1.28B | 977M | 972M | 1.13B |
| Net Margin % | 14.46% | 14.69% | 16.47% | 15.74% | 12.07% | 10.42% | 15.38% | 22.2% | 9.54% | 3.82% | 12.53% | 13.84% | 11% | 10.01% | 14.6% | 12.84% | 11.69% | 10.85% | 10.55% | 11.29% | 10.96% | 11.74% | 13.06% | 13.18% | 12.54% | 12.43% | 13.04% | 13.7% | 10.29% | 7.71% | 10.88% |
| Net Income Growth % | -5.28% | -1.36% | 10.69% | 12.48% | 46.8% | -23.17% | -34.08% | 112.04% | 154.77% | -64.7% | 2.97% | 19.2% | 18.77% | -29.19% | 6.48% | 11.18% | 19.44% | -5.48% | 4.21% | 10.24% | -1.13% | 3.85% | 3.93% | 11.84% | 4.44% | -3.88% | 2.9% | 30.6% | 0.51% | -13.75% | 2.18% |
| EPS (Diluted) | 3.87 | 3.92 | 3.99 | 3.62 | 3.26 | 2.26 | 2.95 | 4.50 | 2.15 | 0.84 | 2.47 | 2.60 | 2.18 | 1.85 | 2.71 | 2.57 | 2.37 | 2.07 | 2.25 | 2.28 | 2.10 | 2.13 | 2.06 | 2.02 | 1.85 | 1.82 | 2.01 | 1.86 | 1.40 | 1.42 | 1.68 |
| EPS Growth % | -6.24% | -1.75% | 10.22% | 11.04% | 44.25% | -23.39% | -34.44% | 109.3% | 155.95% | -65.99% | -5% | 19.27% | 17.84% | -31.73% | 5.45% | 8.44% | 14.49% | -8% | -1.32% | 8.57% | -1.41% | 3.4% | 1.98% | 9.19% | 1.65% | -9.45% | 8.06% | 32.86% | -1.41% | -15.48% | 1.2% |
| EPS (Basic) | - | 3.94 | 4.02 | 3.64 | 3.28 | 2.26 | 2.95 | 4.50 | 2.15 | 0.84 | 2.47 | 2.60 | 2.18 | 1.85 | 2.71 | 2.57 | 2.37 | 2.07 | 2.26 | 2.29 | 2.12 | 2.14 | 2.07 | 2.03 | 1.86 | 1.83 | 2.01 | 1.86 | 1.40 | 1.42 | 1.68 |
| Diluted Shares Outstanding | 1.13B | 1.11B | 1.1B | 1.1B | 1.08B | 1.06B | 1.06B | 1.05B | 1.03B | 1.01B | 990.2M | 911.6M | 908.3M | 887.3M | 868M | 857M | 833.33M | 795M | 775M | 761M | 748M | 749M | 743M | 732M | 714M | 694M | 654M | 686M | 697M | 685M | 673M |
Moderate
According to recent financial disclosures, Southern Company achieved a revenue growth rate of 8.0% in 2026Q1, reflecting the successful integration of major capital projects into the rate base and sustained demand from the regional industrial sector, particularly within the high-growth data center corridor of Georgia.
Revenue trajectory appears increasingly tied to the successful commercial operation of large-scale assets like Vogtle Unit 4, which shifts the company from a construction-heavy profile to a revenue-generating phase. Investors should monitor whether this growth remains durable or if it necessitates further rate case filings to support the infrastructure required for accelerating industrial load.
As reported in quarterly filings, Southern Company maintained an operating margin of 24.0% in 2026Q1, suggesting that the utility continues to operate within a constructive regulatory framework that allows for the recovery of capital investments while balancing the interests of its captive customer base in the Southeast.
The consistency of these margins implies that the regulatory relationship remains stable, effectively mitigating the risks of regulatory lag. However, the gap between authorized and earned returns warrants ongoing investigation, as any shift in the Georgia Public Service Commission's stance could compress these margins in future periods.
Based on the company's reported figures, fuel and purchased power costs continue to function primarily as pass-through items, which protects the core earnings power from commodity price fluctuations despite the inherent volatility in the broader energy market that often impacts utility operating expenses.
The regulatory construct appears to provide timely recovery of these variable costs, preventing significant working capital strain. While these costs inflate the top line, they do not fundamentally alter the underlying earnings power, allowing the company to focus on rate base growth rather than managing commodity price risk.
Financial statements indicate that EPS volatility, such as the 22.9% decline observed in 2025Q4, is largely attributable to the transition of major projects from construction-in-progress to active rate base, which alters the recognition of AFUDC and impacts the comparability of quarterly earnings performance.
The core regulated earnings power appears to be strengthening as the company moves past the heavy capital expenditure phase of the last decade. Analysts should distinguish between these non-recurring accounting impacts and the underlying growth trajectory to determine the true sustainability of the current earnings profile.
As noted in recent regulatory filings, the completion of Vogtle Unit 4 marks a pivotal shift in the capital expenditure cycle, moving the company from a period of intense construction risk to a phase where incremental capital is expected to translate more directly into regulated earnings growth.
This transition suggests that the company may be better positioned to improve free cash flow and reduce debt levels. Investors should monitor whether future CAPEX remains focused on high-return infrastructure projects or if maintenance spending begins to consume a larger portion of the available capital budget.
Based on the company's reported operational milestones, the commercial operation of Vogtle Unit 4 represents the most significant inflection point, effectively ending a decade of capital overhang and providing a stable, carbon-free baseload energy source that enhances the company's long-term competitive positioning in the Southeast.
This milestone appears to have fundamentally altered the risk profile of the company, potentially allowing for a re-rating of the stock as the market gains confidence in the cash flow generation of the new assets. The durability of this shift will depend on the company's ability to maintain high capacity factors at these facilities.
While reported figures show strong operational metrics, the income statement may obscure potential long-term risks, such as the political sustainability of current authorized ROEs in an inflationary environment and the potential for future decommissioning costs that are not yet fully reflected in the current P&L.
Investors should remain skeptical of the assumption that current regulatory constructs will remain indefinitely favorable. Furthermore, the reliance on data center load growth may mask structural declines in residential demand, which warrants further investigation into the long-term viability of the current revenue mix.
Quick answers to the most common questions about buying SO stock.
For fiscal year 2025, The Southern Company (SO) reported total revenue of $29.55B. This represents a 185.3% increase compared to $10.36B in 1996.
The Southern Company (SO) is profitable, generating $4.34B in net income for the fiscal year ending 2025 with a net profit margin of 14.7%.
The Southern Company (SO) reported an operating income of $7.27B, resulting in an operating profit margin of 24.6%. This margin reflects the operational efficiency of the business before interest and taxes.
The Southern Company (SO) generated $8.81B in gross profit for the year, representing a gross profit margin of 29.8%. This demonstrates the company's core pricing power and production efficiency.