SO vs WEC

Key Takeaways

• SO and WEC are both high-quality regulated utilities benefiting from extraordinary electricity demand growth driven by data centers and industrial reshoring.
• Southern Company reported 2025 adjusted EPS (earnings per share) of $4.30 and guided 2026 at $4.50–$4.60, while WEC Energy Group delivered 2025 adjusted EPS of $5.27 and guided 2026 at $5.51–$5.61.
• Southern Company's capital investment plan of approximately $81 billion over five years significantly outpaces WEC's $37.5 billion plan, reflecting SO's larger scale and broader geographic footprint.
• Both companies have multi-decade dividend growth streaks — SO at 24 consecutive years and WEC at 23 — making them attractive to income-oriented investors.
• WEC has resolved legacy Illinois regulatory uncertainty through a comprehensive settlement, while SO faces ongoing regulatory execution risk on major generation projects in Georgia.
• Relative valuation favors WEC on a P/E (price-to-earnings) basis, but SO's larger load growth pipeline and expansive service territory present a different risk-reward profile.

Introduction

When evaluating utility-sector investments, scale, regulatory environment, and growth trajectory often separate steady performers from market leaders. Southern Company (SO) and WEC Energy Group (WEC) represent two of the most respected names in the U.S. regulated utility space — yet their strategies, geographic exposures, and growth profiles diverge meaningfully. This stock comparison examines how these two electricity and natural gas providers stack up in the current market environment, offering insights relevant to dividend-focused investors, total-return seekers, and those tracking how AI-driven demand is reshaping the utility landscape. Both have posted solid earnings in recent quarters, but their paths forward reflect different bets on regional economic development, regulatory strategy, and capital deployment.

SO Overview and Recent Performance

Southern Company, headquartered in Atlanta, is one of the largest utility holding companies in the United States, serving approximately 9 million customers across its electric and natural gas distribution subsidiaries. Its vertically integrated electric utilities operate primarily in Georgia, Alabama, and Mississippi, while its natural gas distribution business reaches into four states. The company owns roughly 46 gigawatts of rate-regulated generating capacity and maintains an extensive transmission and distribution network spanning nearly 200,000 miles.

In recent market activity, SO has benefited from surging electricity demand tied to data center expansion and industrial growth in the Southeast. The company reported full-year 2025 adjusted earnings of $4.30 per share, at the top end of its guidance range and representing a 6% increase from the prior year. Revenue grew approximately 10.6% to $29.6 billion. Management has outlined a massive forward capital plan of approximately $81 billion over five years, with over 50 gigawatts of potential incremental load identified through the mid-2030s. Analysts have noted SO's elevated P/E ratio — in the 22–23x range — which reflects optimism around load growth but also introduces valuation sensitivity. The company's 24-year track record of consecutive dividend increases continues to anchor the investment thesis for income-focused portfolios.

WEC Overview and Recent Performance

WEC Energy Group, based in Milwaukee, serves 4.7 million customers across Wisconsin, Illinois, Michigan, and Minnesota through seven principal utility subsidiaries including We Energies, Wisconsin Public Service, and Peoples Gas. The company also holds a roughly 60% equity interest in American Transmission Company (ATC), a for-profit electric transmission utility, and operates a non-utility energy infrastructure segment focused on renewable generation. With approximately $51 billion in assets, WEC is a Fortune 500 company and an S&P 500 component.

Over recent quarters, WEC has demonstrated steady financial execution alongside notable progress on regulatory and growth fronts. Full-year 2025 adjusted earnings reached $5.27 per share, an 8% increase over 2024 on an adjusted basis, supported by favorable rate review outcomes in Wisconsin and contributions from rate-base growth. Revenue for the year totaled approximately $9.8 billion. Importantly, WEC reached a proposed settlement with the Illinois Attorney General to resolve outstanding Qualifying Infrastructure Plant (QIP) rider reconciliations — a move that removes a significant regulatory overhang. The company's updated $37.5 billion five-year capital plan includes substantial investments in renewables, battery storage, and natural gas generation to support a projected 3.9 gigawatts of large-load demand growth, anchored by major data center projects from Microsoft and Vantage Data Centers. WEC raised its annual dividend by 6.7% to $3.81 per share, marking 23 consecutive years of increases.

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Head-to-Head Comparison

Both SO and WEC operate within the regulated utility space, yet their business model nuances, growth catalysts, and risk profiles diverge in important ways. Southern Company's footprint is concentrated in the Southeast — a region experiencing some of the fastest electricity demand growth in the country due to data center construction, industrial onshoring, and population migration. By contrast, WEC's Midwest service territory is also seeing robust data center-driven load growth, particularly in Wisconsin's I-94 corridor, but its customer base is smaller and its demand trajectory, while strong, is less explosive than SO's projected 8%-plus annual electric sales growth from Georgia Power alone.

On capital deployment, both companies are investing heavily, but SO's five-year plan of roughly $81 billion dwarfs WEC's $37.5 billion. This reflects not only SO's larger scale but also a broader generation buildout — including the proposed addition of 10 gigawatts of new resources in Georgia. The trade-off is that SO carries greater regulatory and construction execution risk, as large-scale generation projects can face cost overruns or disallowances, as historically seen with Plant Vogtle. WEC's capital plan, while smaller, benefits from a cleaner regulatory slate following the proposed Illinois settlement and more predictable rate review cycles in Wisconsin.

From a dividend perspective, both companies are highly dependable. SO offers 24 consecutive years of increases, while WEC offers 23 — a virtual tie that underscores both firms' commitment to returning capital to shareholders. On valuation, WEC trades at a modestly lower P/E multiple relative to its forward growth rate, potentially offering a more attractive entry point for value-conscious investors. However, SO's larger total addressable market for load growth could justify a premium multiple if execution remains on track.

Risk factors differ as well. SO faces concentrated regulatory risk in Georgia, where commission decisions on generation resource plans can materially impact returns. WEC's risk profile has improved following the Illinois settlement but still includes sensitivity to Midwest weather variability and financing needs associated with its expanded capital plan — including $900 million to $1.1 billion in projected 2026 common equity issuance.

Tickeron AI Verdict

Based on observable factors — including trend consistency, regulatory clarity, relative valuation, and earnings momentum — Tickeron's AI would likely favor WEC in the current environment. WEC's resolution of the Illinois regulatory overhang, its clean 8% adjusted EPS growth in 2025, and its slightly more attractive valuation on a forward P/E basis contribute to a comparatively favorable risk-adjusted profile. While SO offers a more dramatic long-term growth narrative tied to Southeastern data center expansion, the associated regulatory and construction uncertainties introduce variables that an AI-driven probabilistic model might weigh more conservatively in the near term. Both stocks present compelling cases within a diversified utility allocation, but the current balance of catalysts and clarity appears to tilt marginally toward WEC Energy Group.

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