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Side-by-side financial comparison of Southern Company (SO) and Talen Energy Corp (TLN). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($7.0B vs $758.0M, roughly 9.2× Talen Energy Corp). Southern Company runs the higher net margin — 4.9% vs -47.9%, a 52.8% gap on every dollar of revenue. On growth, Talen Energy Corp posted the faster year-over-year revenue change (114.7% vs 10.1%). Talen Energy Corp produced more free cash flow last quarter ($254.0M vs $-1.7B). Over the past eight quarters, Talen Energy Corp's revenue compounded faster (35.0% CAGR vs 2.5%).

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

PPL Corporation is an energy company headquartered in Allentown, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania. The company is publicly traded on the New York Stock Exchange as NYSE: PPL and is part of the S&P 500. As of 2022, the company had $7.9 billion in revenue, 6,500 employees, over $37 billion in assets, and serves 3.6 million customers.

SO vs TLN — Head-to-Head

Bigger by revenue
SO
SO
9.2× larger
SO
$7.0B
$758.0M
TLN
Growing faster (revenue YoY)
TLN
TLN
+104.6% gap
TLN
114.7%
10.1%
SO
Higher net margin
SO
SO
52.8% more per $
SO
4.9%
-47.9%
TLN
More free cash flow
TLN
TLN
$1.9B more FCF
TLN
$254.0M
$-1.7B
SO
Faster 2-yr revenue CAGR
TLN
TLN
Annualised
TLN
35.0%
2.5%
SO

Income Statement — Q4 2025 vs Q4 2025

Metric
SO
SO
TLN
TLN
Revenue
$7.0B
$758.0M
Net Profit
$341.0M
$-363.0M
Gross Margin
Operating Margin
13.1%
-41.3%
Net Margin
4.9%
-47.9%
Revenue YoY
10.1%
114.7%
Net Profit YoY
-26.8%
-542.7%
EPS (diluted)
$0.38
$-7.60

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
SO
SO
TLN
TLN
Q4 25
$7.0B
$758.0M
Q3 25
$7.8B
$697.0M
Q2 25
$7.0B
$409.0M
Q1 25
$7.8B
$654.0M
Q4 24
$6.3B
$353.0M
Q3 24
$7.3B
$459.0M
Q2 24
$6.5B
$346.0M
Q1 24
$6.6B
$416.0M
Net Profit
SO
SO
TLN
TLN
Q4 25
$341.0M
$-363.0M
Q3 25
$1.7B
$207.0M
Q2 25
$880.0M
$72.0M
Q1 25
$1.3B
$-135.0M
Q4 24
$466.0M
$82.0M
Q3 24
$1.5B
$168.0M
Q2 24
$1.2B
$454.0M
Q1 24
$1.1B
$294.0M
Operating Margin
SO
SO
TLN
TLN
Q4 25
13.1%
-41.3%
Q3 25
33.2%
37.7%
Q2 25
25.3%
16.1%
Q1 25
25.9%
-16.2%
Q4 24
16.7%
4.5%
Q3 24
32.6%
34.4%
Q2 24
30.0%
7.8%
Q1 24
25.6%
6.0%
Net Margin
SO
SO
TLN
TLN
Q4 25
4.9%
-47.9%
Q3 25
21.9%
29.7%
Q2 25
12.6%
17.6%
Q1 25
16.3%
-20.6%
Q4 24
7.3%
23.2%
Q3 24
21.1%
36.6%
Q2 24
18.6%
131.2%
Q1 24
16.1%
70.7%
EPS (diluted)
SO
SO
TLN
TLN
Q4 25
$0.38
$-7.60
Q3 25
$1.54
$4.25
Q2 25
$0.79
$1.50
Q1 25
$1.21
$-2.94
Q4 24
$0.48
$2.07
Q3 24
$1.39
$3.16
Q2 24
$1.09
$7.60
Q1 24
$1.03
$4.84

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
SO
SO
TLN
TLN
Cash + ST InvestmentsLiquidity on hand
$1.6B
$689.0M
Total DebtLower is stronger
$65.6B
$6.8B
Stockholders' EquityBook value
$36.0B
$1.1B
Total Assets
$155.7B
$10.9B
Debt / EquityLower = less leverage
1.82×
6.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SO
SO
TLN
TLN
Q4 25
$1.6B
$689.0M
Q3 25
$3.3B
$497.0M
Q2 25
$1.3B
$122.0M
Q1 25
$2.3B
$295.0M
Q4 24
$1.1B
$328.0M
Q3 24
$1.0B
$648.0M
Q2 24
$1.2B
$632.0M
Q1 24
$713.0M
Total Debt
SO
SO
TLN
TLN
Q4 25
$65.6B
$6.8B
Q3 25
$64.6B
$3.0B
Q2 25
$63.0B
$3.0B
Q1 25
$62.9B
$3.0B
Q4 24
$58.8B
$3.0B
Q3 24
$61.3B
$2.6B
Q2 24
$59.9B
$2.6B
Q1 24
$59.4B
Stockholders' Equity
SO
SO
TLN
TLN
Q4 25
$36.0B
$1.1B
Q3 25
$38.3B
$1.5B
Q2 25
$37.3B
$1.2B
Q1 25
$37.2B
$1.2B
Q4 24
$33.2B
$1.4B
Q3 24
$36.9B
$2.4B
Q2 24
$36.1B
$2.5B
Q1 24
$35.6B
$2.8B
Total Assets
SO
SO
TLN
TLN
Q4 25
$155.7B
$10.9B
Q3 25
$153.2B
$6.1B
Q2 25
$148.9B
$5.8B
Q1 25
$148.1B
$5.9B
Q4 24
$145.2B
$6.1B
Q3 24
$144.0B
$6.8B
Q2 24
$141.9B
$7.1B
Q1 24
$140.1B
Debt / Equity
SO
SO
TLN
TLN
Q4 25
1.82×
6.23×
Q3 25
1.69×
2.03×
Q2 25
1.69×
2.40×
Q1 25
1.69×
2.54×
Q4 24
1.77×
2.17×
Q3 24
1.66×
1.10×
Q2 24
1.66×
1.05×
Q1 24
1.67×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
SO
SO
TLN
TLN
Operating Cash FlowLast quarter
$2.6B
$280.0M
Free Cash FlowOCF − Capex
$-1.7B
$254.0M
FCF MarginFCF / Revenue
-24.2%
33.5%
Capex IntensityCapex / Revenue
61.4%
3.4%
Cash ConversionOCF / Net Profit
7.62×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B
$606.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SO
SO
TLN
TLN
Q4 25
$2.6B
$280.0M
Q3 25
$3.8B
$489.0M
Q2 25
$2.2B
$-184.0M
Q1 25
$1.3B
$119.0M
Q4 24
$2.2B
Q3 24
$3.6B
$96.0M
Q2 24
$2.7B
$-23.0M
Q1 24
$1.3B
$173.0M
Free Cash Flow
SO
SO
TLN
TLN
Q4 25
$-1.7B
$254.0M
Q3 25
$559.0M
$468.0M
Q2 25
$-619.0M
$-217.0M
Q1 25
$-1.2B
$101.0M
Q4 24
$-576.0M
Q3 24
$1.3B
$83.0M
Q2 24
$563.0M
$-43.0M
Q1 24
$-459.0M
$148.0M
FCF Margin
SO
SO
TLN
TLN
Q4 25
-24.2%
33.5%
Q3 25
7.1%
67.1%
Q2 25
-8.9%
-53.1%
Q1 25
-15.3%
15.4%
Q4 24
-9.1%
Q3 24
17.9%
18.1%
Q2 24
8.7%
-12.4%
Q1 24
-6.9%
35.6%
Capex Intensity
SO
SO
TLN
TLN
Q4 25
61.4%
3.4%
Q3 25
41.1%
3.0%
Q2 25
40.2%
8.1%
Q1 25
31.3%
2.8%
Q4 24
43.4%
Q3 24
31.8%
2.8%
Q2 24
32.9%
5.8%
Q1 24
26.6%
6.0%
Cash Conversion
SO
SO
TLN
TLN
Q4 25
7.62×
Q3 25
2.21×
2.36×
Q2 25
2.48×
-2.56×
Q1 25
0.98×
Q4 24
4.66×
Q3 24
2.36×
0.57×
Q2 24
2.23×
-0.05×
Q1 24
1.22×
0.59×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

TLN
TLN

Electricity Sales And Ancillary Services$555.0M73%
Operating Revenue Capacity$182.0M24%
Physical Electricity Sales Bilateral Contracts Other$21.0M3%

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