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Side-by-side financial comparison of AES Corporation (AES) and CMS Energy (CMS). Click either name above to swap in a different company.

AES Corporation is the larger business by last-quarter revenue ($3.1B vs $2.1B, roughly 1.5× CMS Energy). CMS Energy runs the higher net margin — 13.5% vs 10.3%, a 3.2% gap on every dollar of revenue. On growth, CMS Energy posted the faster year-over-year revenue change (13.0% vs 4.7%). Over the past eight quarters, AES Corporation's revenue compounded faster (0.3% CAGR vs -0.2%).

The AES Corporation is an American utility and power generation company. It owns and operates power plants, which it uses to generate and sell electricity to end users and intermediaries like utilities and industrial facilities. AES, headquartered in Arlington, Virginia, is one of the world's leading power companies, generating and distributing electric power in 15 countries and employing 10,500 people worldwide. AES Corporation is a global Fortune 500 power company.

CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan. Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents. Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.

AES vs CMS — Head-to-Head

Bigger by revenue
AES
AES
1.5× larger
AES
$3.1B
$2.1B
CMS
Growing faster (revenue YoY)
CMS
CMS
+8.3% gap
CMS
13.0%
4.7%
AES
Higher net margin
CMS
CMS
3.2% more per $
CMS
13.5%
10.3%
AES
Faster 2-yr revenue CAGR
AES
AES
Annualised
AES
0.3%
-0.2%
CMS

Income Statement — Q4 2025 vs Q4 2025

Metric
AES
AES
CMS
CMS
Revenue
$3.1B
$2.1B
Net Profit
$320.0M
$289.0M
Gross Margin
18.8%
Operating Margin
-8.7%
20.4%
Net Margin
10.3%
13.5%
Revenue YoY
4.7%
13.0%
Net Profit YoY
-42.9%
9.1%
EPS (diluted)
$0.45
$0.94

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
AES
AES
CMS
CMS
Q4 25
$3.1B
$2.1B
Q3 25
$3.4B
$2.0B
Q2 25
$2.9B
$1.8B
Q1 25
$2.9B
$2.4B
Q4 24
$3.0B
$1.9B
Q3 24
$3.3B
$1.7B
Q2 24
$2.9B
$1.6B
Q1 24
$3.1B
$2.1B
Net Profit
AES
AES
CMS
CMS
Q4 25
$320.0M
$289.0M
Q3 25
$639.0M
$277.0M
Q2 25
$-95.0M
$201.0M
Q1 25
$46.0M
$304.0M
Q4 24
$560.0M
$265.0M
Q3 24
$502.0M
$253.0M
Q2 24
$185.0M
$198.0M
Q1 24
$432.0M
$287.0M
Gross Margin
AES
AES
CMS
CMS
Q4 25
18.8%
Q3 25
21.9%
Q2 25
15.9%
Q1 25
15.1%
Q4 24
14.2%
Q3 24
22.0%
Q2 24
18.8%
Q1 24
20.1%
Operating Margin
AES
AES
CMS
CMS
Q4 25
-8.7%
20.4%
Q3 25
9.8%
24.4%
Q2 25
1.4%
17.6%
Q1 25
-0.8%
20.6%
Q4 24
12.3%
22.5%
Q3 24
10.0%
21.4%
Q2 24
-2.6%
18.0%
Q1 24
9.0%
19.2%
Net Margin
AES
AES
CMS
CMS
Q4 25
10.3%
13.5%
Q3 25
19.1%
14.0%
Q2 25
-3.3%
11.2%
Q1 25
1.6%
12.7%
Q4 24
18.9%
14.0%
Q3 24
15.3%
14.8%
Q2 24
6.3%
12.6%
Q1 24
14.0%
13.4%
EPS (diluted)
AES
AES
CMS
CMS
Q4 25
$0.45
$0.94
Q3 25
$0.89
$0.92
Q2 25
$-0.15
$0.66
Q1 25
$0.07
$1.01
Q4 24
$0.78
$0.88
Q3 24
$0.71
$0.84
Q2 24
$0.27
$0.65
Q1 24
$0.60
$0.96

Balance Sheet & Financial Strength

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

Metric
AES
AES
CMS
CMS
Cash + ST InvestmentsLiquidity on hand
$1.6B
$509.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$4.1B
$9.1B
Total Assets
$51.8B
$39.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AES
AES
CMS
CMS
Q4 25
$1.6B
$509.0M
Q3 25
$1.8B
$362.0M
Q2 25
$1.4B
$844.0M
Q1 25
$1.8B
$465.0M
Q4 24
$1.6B
$103.0M
Q3 24
$2.0B
$412.0M
Q2 24
$1.8B
$699.0M
Q1 24
$2.4B
$802.0M
Stockholders' Equity
AES
AES
CMS
CMS
Q4 25
$4.1B
$9.1B
Q3 25
$3.9B
$8.9B
Q2 25
$3.4B
$8.4B
Q1 25
$3.5B
$8.3B
Q4 24
$3.6B
$8.2B
Q3 24
$3.3B
$8.1B
Q2 24
$3.1B
$8.0B
Q1 24
$2.9B
$7.9B
Total Assets
AES
AES
CMS
CMS
Q4 25
$51.8B
$39.9B
Q3 25
$50.8B
$38.0B
Q2 25
$48.5B
$37.7B
Q1 25
$48.6B
$36.3B
Q4 24
$47.4B
$35.9B
Q3 24
$50.1B
$34.8B
Q2 24
$47.7B
$34.4B
Q1 24
$47.0B
$33.9B

Cash Flow & Capital Efficiency

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

Metric
AES
AES
CMS
CMS
Operating Cash FlowLast quarter
$1.5B
$478.0M
Free Cash FlowOCF − Capex
$-47.0M
FCF MarginFCF / Revenue
-1.5%
Capex IntensityCapex / Revenue
49.5%
Cash ConversionOCF / Net Profit
4.65×
1.65×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AES
AES
CMS
CMS
Q4 25
$1.5B
$478.0M
Q3 25
$1.3B
$343.0M
Q2 25
$976.0M
$414.0M
Q1 25
$545.0M
$1.0B
Q4 24
$1.1B
$403.0M
Q3 24
$985.0M
$304.0M
Q2 24
$392.0M
$707.0M
Q1 24
$287.0M
$956.0M
Free Cash Flow
AES
AES
CMS
CMS
Q4 25
$-47.0M
Q3 25
$-511.0M
$-635.0M
Q2 25
$-356.0M
$-470.0M
Q1 25
$-709.0M
$112.0M
Q4 24
$-639.0M
Q3 24
$-847.0M
$-502.0M
Q2 24
$-1.3B
$26.0M
Q1 24
$-1.9B
$343.0M
FCF Margin
AES
AES
CMS
CMS
Q4 25
-1.5%
Q3 25
-15.2%
-32.2%
Q2 25
-12.5%
-26.1%
Q1 25
-24.2%
4.7%
Q4 24
-21.6%
Q3 24
-25.8%
-29.3%
Q2 24
-43.9%
1.6%
Q1 24
-60.3%
16.0%
Capex Intensity
AES
AES
CMS
CMS
Q4 25
49.5%
Q3 25
54.0%
49.5%
Q2 25
46.7%
49.2%
Q1 25
42.9%
37.0%
Q4 24
58.3%
Q3 24
55.7%
47.1%
Q2 24
57.3%
43.2%
Q1 24
69.6%
28.6%
Cash Conversion
AES
AES
CMS
CMS
Q4 25
4.65×
1.65×
Q3 25
2.03×
1.24×
Q2 25
2.06×
Q1 25
11.85×
3.29×
Q4 24
1.94×
1.52×
Q3 24
1.96×
1.20×
Q2 24
2.12×
3.57×
Q1 24
0.66×
3.33×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AES
AES

Electric Distribution$1.0B33%
Regulated Revenue$1.0B33%
Renewables$786.0M25%
AES Andes$225.0M7%
Corporate Other And Other$38.0M1%
Other Expense$10.0M0%

CMS
CMS

Electric Utility$1.3B59%
Gas Utility$803.0M38%
North Star Clean Energy$77.0M4%

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