vs

Side-by-side financial comparison of Southern Company (SO) and Trane Technologies (TT). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($7.0B vs $5.1B, roughly 1.4× Trane Technologies). Trane Technologies runs the higher net margin — 11.5% vs 4.9%, a 6.6% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs 5.5%). Over the past eight quarters, Trane Technologies's revenue compounded faster (10.5% 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...

Trane Technologies plc is an Irish domiciled company focused on heating, ventilation, and air conditioning (HVAC) and refrigeration systems. The company traces its corporate history back more than 150 years and was created after a series of mergers and spin-offs. In 2008, HVAC manufacturer Trane was acquired by Ingersoll Rand, a US industrial tools manufacturer. In 2020, the tools business was spun off as Ingersoll Rand and the remaining company was renamed Trane Technologies.

SO vs TT — Head-to-Head

Bigger by revenue
SO
SO
1.4× larger
SO
$7.0B
$5.1B
TT
Growing faster (revenue YoY)
SO
SO
+4.6% gap
SO
10.1%
5.5%
TT
Higher net margin
TT
TT
6.6% more per $
TT
11.5%
4.9%
SO
Faster 2-yr revenue CAGR
TT
TT
Annualised
TT
10.5%
2.5%
SO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SO
SO
TT
TT
Revenue
$7.0B
$5.1B
Net Profit
$341.0M
$591.3M
Gross Margin
Operating Margin
13.1%
15.9%
Net Margin
4.9%
11.5%
Revenue YoY
10.1%
5.5%
Net Profit YoY
-26.8%
-2.2%
EPS (diluted)
$0.38
$2.64

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
TT
TT
Q4 25
$7.0B
$5.1B
Q3 25
$7.8B
$5.7B
Q2 25
$7.0B
$5.7B
Q1 25
$7.8B
$4.7B
Q4 24
$6.3B
$4.9B
Q3 24
$7.3B
$5.4B
Q2 24
$6.5B
$5.3B
Q1 24
$6.6B
$4.2B
Net Profit
SO
SO
TT
TT
Q4 25
$341.0M
$591.3M
Q3 25
$1.7B
$847.6M
Q2 25
$880.0M
$874.8M
Q1 25
$1.3B
$604.9M
Q4 24
$466.0M
$604.3M
Q3 24
$1.5B
$772.0M
Q2 24
$1.2B
$755.3M
Q1 24
$1.1B
$436.3M
Gross Margin
SO
SO
TT
TT
Q4 25
Q3 25
36.9%
Q2 25
37.6%
Q1 25
35.8%
Q4 24
Q3 24
36.3%
Q2 24
36.5%
Q1 24
34.6%
Operating Margin
SO
SO
TT
TT
Q4 25
13.1%
15.9%
Q3 25
33.2%
20.3%
Q2 25
25.3%
20.3%
Q1 25
25.9%
17.5%
Q4 24
16.7%
16.6%
Q3 24
32.6%
18.8%
Q2 24
30.0%
19.5%
Q1 24
25.6%
15.0%
Net Margin
SO
SO
TT
TT
Q4 25
4.9%
11.5%
Q3 25
21.9%
14.8%
Q2 25
12.6%
15.2%
Q1 25
16.3%
12.9%
Q4 24
7.3%
12.4%
Q3 24
21.1%
14.2%
Q2 24
18.6%
14.2%
Q1 24
16.1%
10.3%
EPS (diluted)
SO
SO
TT
TT
Q4 25
$0.38
$2.64
Q3 25
$1.54
$3.78
Q2 25
$0.79
$3.89
Q1 25
$1.21
$2.67
Q4 24
$0.48
$2.65
Q3 24
$1.39
$3.39
Q2 24
$1.09
$3.30
Q1 24
$1.03
$1.90

Balance Sheet & Financial Strength

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

Metric
SO
SO
TT
TT
Cash + ST InvestmentsLiquidity on hand
$1.6B
$1.8B
Total DebtLower is stronger
$65.6B
$4.6B
Stockholders' EquityBook value
$36.0B
$8.6B
Total Assets
$155.7B
$21.4B
Debt / EquityLower = less leverage
1.82×
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SO
SO
TT
TT
Q4 25
$1.6B
$1.8B
Q3 25
$3.3B
Q2 25
$1.3B
Q1 25
$2.3B
Q4 24
$1.1B
$1.6B
Q3 24
$1.0B
Q2 24
$1.2B
Q1 24
$713.0M
Total Debt
SO
SO
TT
TT
Q4 25
$65.6B
$4.6B
Q3 25
$64.6B
Q2 25
$63.0B
Q1 25
$62.9B
Q4 24
$58.8B
$4.8B
Q3 24
$61.3B
Q2 24
$59.9B
Q1 24
$59.4B
Stockholders' Equity
SO
SO
TT
TT
Q4 25
$36.0B
$8.6B
Q3 25
$38.3B
$8.3B
Q2 25
$37.3B
$7.8B
Q1 25
$37.2B
$7.5B
Q4 24
$33.2B
$7.5B
Q3 24
$36.9B
$7.6B
Q2 24
$36.1B
$6.9B
Q1 24
$35.6B
$6.9B
Total Assets
SO
SO
TT
TT
Q4 25
$155.7B
$21.4B
Q3 25
$153.2B
$21.4B
Q2 25
$148.9B
$21.0B
Q1 25
$148.1B
$20.1B
Q4 24
$145.2B
$20.1B
Q3 24
$144.0B
$20.9B
Q2 24
$141.9B
$20.2B
Q1 24
$140.1B
$19.3B
Debt / Equity
SO
SO
TT
TT
Q4 25
1.82×
0.54×
Q3 25
1.69×
Q2 25
1.69×
Q1 25
1.69×
Q4 24
1.77×
0.64×
Q3 24
1.66×
Q2 24
1.66×
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
TT
TT
Operating Cash FlowLast quarter
$2.6B
$1.2B
Free Cash FlowOCF − Capex
$-1.7B
FCF MarginFCF / Revenue
-24.2%
Capex IntensityCapex / Revenue
61.4%
Cash ConversionOCF / Net Profit
7.62×
1.96×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SO
SO
TT
TT
Q4 25
$2.6B
$1.2B
Q3 25
$3.8B
$1.0B
Q2 25
$2.2B
$692.1M
Q1 25
$1.3B
$339.5M
Q4 24
$2.2B
$899.9M
Q3 24
$3.6B
$1.3B
Q2 24
$2.7B
$695.9M
Q1 24
$1.3B
$247.2M
Free Cash Flow
SO
SO
TT
TT
Q4 25
$-1.7B
Q3 25
$559.0M
$935.6M
Q2 25
$-619.0M
$602.2M
Q1 25
$-1.2B
$220.6M
Q4 24
$-576.0M
$774.3M
Q3 24
$1.3B
$1.2B
Q2 24
$563.0M
$623.0M
Q1 24
$-459.0M
$163.4M
FCF Margin
SO
SO
TT
TT
Q4 25
-24.2%
Q3 25
7.1%
16.3%
Q2 25
-8.9%
10.5%
Q1 25
-15.3%
4.7%
Q4 24
-9.1%
15.9%
Q3 24
17.9%
22.3%
Q2 24
8.7%
11.7%
Q1 24
-6.9%
3.9%
Capex Intensity
SO
SO
TT
TT
Q4 25
61.4%
Q3 25
41.1%
1.2%
Q2 25
40.2%
1.6%
Q1 25
31.3%
2.5%
Q4 24
43.4%
2.6%
Q3 24
31.8%
1.6%
Q2 24
32.9%
1.4%
Q1 24
26.6%
2.0%
Cash Conversion
SO
SO
TT
TT
Q4 25
7.62×
1.96×
Q3 25
2.21×
1.18×
Q2 25
2.48×
0.79×
Q1 25
0.98×
0.56×
Q4 24
4.66×
1.49×
Q3 24
2.36×
1.69×
Q2 24
2.23×
0.92×
Q1 24
1.22×
0.57×

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%

TT
TT

Services$2.8B55%
Other$2.3B45%

Related Comparisons