vs

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

AES Corporation is the larger business by last-quarter revenue ($3.1B vs $2.0B, roughly 1.5× Fastenal). Fastenal runs the higher net margin — 14.5% vs 10.3%, a 4.2% gap on every dollar of revenue. On growth, AES Corporation posted the faster year-over-year revenue change (4.7% vs 3.5%). Fastenal produced more free cash flow last quarter ($308.2M vs $-47.0M). Over the past eight quarters, Fastenal's revenue compounded faster (2.9% CAGR vs 0.3%).

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.

Fastenal Company is an American publicly traded company based in Winona, Minnesota, founded in 1967. Fastenal is a major distributor of industrial and construction supplies, and the largest fastener distributor in North America. Fastenal provides supply chain solutions including bin stock, vending machines, inventory management, and logistics services.

AES vs FAST — Head-to-Head

Bigger by revenue
AES
AES
1.5× larger
AES
$3.1B
$2.0B
FAST
Growing faster (revenue YoY)
AES
AES
+1.2% gap
AES
4.7%
3.5%
FAST
Higher net margin
FAST
FAST
4.2% more per $
FAST
14.5%
10.3%
AES
More free cash flow
FAST
FAST
$355.2M more FCF
FAST
$308.2M
$-47.0M
AES
Faster 2-yr revenue CAGR
FAST
FAST
Annualised
FAST
2.9%
0.3%
AES

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AES
AES
FAST
FAST
Revenue
$3.1B
$2.0B
Net Profit
$320.0M
$293.9M
Gross Margin
18.8%
44.3%
Operating Margin
-8.7%
18.9%
Net Margin
10.3%
14.5%
Revenue YoY
4.7%
3.5%
Net Profit YoY
-42.9%
-1.6%
EPS (diluted)
$0.45
$-0.01

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
FAST
FAST
Q1 26
$2.0B
Q4 25
$3.1B
$2.0B
Q3 25
$3.4B
$2.1B
Q2 25
$2.9B
$2.1B
Q1 25
$2.9B
$2.0B
Q4 24
$3.0B
$1.8B
Q3 24
$3.3B
$1.9B
Q2 24
$2.9B
$1.9B
Net Profit
AES
AES
FAST
FAST
Q1 26
$293.9M
Q4 25
$320.0M
$293.9M
Q3 25
$639.0M
$335.5M
Q2 25
$-95.0M
$330.3M
Q1 25
$46.0M
$298.7M
Q4 24
$560.0M
$262.1M
Q3 24
$502.0M
$298.1M
Q2 24
$185.0M
$292.7M
Gross Margin
AES
AES
FAST
FAST
Q1 26
44.3%
Q4 25
18.8%
44.3%
Q3 25
21.9%
45.3%
Q2 25
15.9%
45.3%
Q1 25
15.1%
45.1%
Q4 24
14.2%
44.8%
Q3 24
22.0%
44.9%
Q2 24
18.8%
45.1%
Operating Margin
AES
AES
FAST
FAST
Q1 26
18.9%
Q4 25
-8.7%
18.9%
Q3 25
9.8%
20.7%
Q2 25
1.4%
21.0%
Q1 25
-0.8%
20.1%
Q4 24
12.3%
18.9%
Q3 24
10.0%
20.3%
Q2 24
-2.6%
20.2%
Net Margin
AES
AES
FAST
FAST
Q1 26
14.5%
Q4 25
10.3%
14.5%
Q3 25
19.1%
15.7%
Q2 25
-3.3%
15.9%
Q1 25
1.6%
15.2%
Q4 24
18.9%
14.4%
Q3 24
15.3%
15.6%
Q2 24
6.3%
15.3%
EPS (diluted)
AES
AES
FAST
FAST
Q1 26
$-0.01
Q4 25
$0.45
$-0.01
Q3 25
$0.89
$0.29
Q2 25
$-0.15
$0.29
Q1 25
$0.07
$0.52
Q4 24
$0.78
$0.45
Q3 24
$0.71
$0.52
Q2 24
$0.27
$0.51

Balance Sheet & Financial Strength

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

Metric
AES
AES
FAST
FAST
Cash + ST InvestmentsLiquidity on hand
$1.6B
$276.8M
Total DebtLower is stronger
$125.0M
Stockholders' EquityBook value
$4.1B
$3.9B
Total Assets
$51.8B
$5.1B
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AES
AES
FAST
FAST
Q1 26
$276.8M
Q4 25
$1.6B
$276.8M
Q3 25
$1.8B
$288.1M
Q2 25
$1.4B
$237.8M
Q1 25
$1.8B
$231.8M
Q4 24
$1.6B
$255.8M
Q3 24
$2.0B
$292.2M
Q2 24
$1.8B
$255.5M
Total Debt
AES
AES
FAST
FAST
Q1 26
$125.0M
Q4 25
$125.0M
Q3 25
$195.0M
Q2 25
$230.0M
Q1 25
$200.0M
Q4 24
$200.0M
Q3 24
$240.0M
Q2 24
$235.0M
Stockholders' Equity
AES
AES
FAST
FAST
Q1 26
$3.9B
Q4 25
$4.1B
$3.9B
Q3 25
$3.9B
$3.9B
Q2 25
$3.4B
$3.8B
Q1 25
$3.5B
$3.7B
Q4 24
$3.6B
$3.6B
Q3 24
$3.3B
$3.6B
Q2 24
$3.1B
$3.5B
Total Assets
AES
AES
FAST
FAST
Q1 26
$5.1B
Q4 25
$51.8B
$5.1B
Q3 25
$50.8B
$5.1B
Q2 25
$48.5B
$5.0B
Q1 25
$48.6B
$4.9B
Q4 24
$47.4B
$4.7B
Q3 24
$50.1B
$4.7B
Q2 24
$47.7B
$4.6B
Debt / Equity
AES
AES
FAST
FAST
Q1 26
0.03×
Q4 25
0.03×
Q3 25
0.05×
Q2 25
0.06×
Q1 25
0.05×
Q4 24
0.06×
Q3 24
0.07×
Q2 24
0.07×

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
FAST
FAST
Operating Cash FlowLast quarter
$1.5B
$368.2M
Free Cash FlowOCF − Capex
$-47.0M
$308.2M
FCF MarginFCF / Revenue
-1.5%
15.2%
Capex IntensityCapex / Revenue
49.5%
3.0%
Cash ConversionOCF / Net Profit
4.65×
1.25×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AES
AES
FAST
FAST
Q1 26
$368.2M
Q4 25
$1.5B
$368.2M
Q3 25
$1.3B
$386.9M
Q2 25
$976.0M
$278.6M
Q1 25
$545.0M
$262.2M
Q4 24
$1.1B
$282.8M
Q3 24
$985.0M
$296.9M
Q2 24
$392.0M
$258.0M
Free Cash Flow
AES
AES
FAST
FAST
Q1 26
$308.2M
Q4 25
$-47.0M
$308.2M
Q3 25
$-511.0M
$326.6M
Q2 25
$-356.0M
$209.3M
Q1 25
$-709.0M
$206.5M
Q4 24
$-639.0M
$222.6M
Q3 24
$-847.0M
$237.5M
Q2 24
$-1.3B
$201.9M
FCF Margin
AES
AES
FAST
FAST
Q1 26
15.2%
Q4 25
-1.5%
15.2%
Q3 25
-15.2%
15.3%
Q2 25
-12.5%
10.1%
Q1 25
-24.2%
10.5%
Q4 24
-21.6%
12.2%
Q3 24
-25.8%
12.4%
Q2 24
-43.9%
10.5%
Capex Intensity
AES
AES
FAST
FAST
Q1 26
3.0%
Q4 25
49.5%
3.0%
Q3 25
54.0%
2.8%
Q2 25
46.7%
3.3%
Q1 25
42.9%
2.8%
Q4 24
58.3%
3.3%
Q3 24
55.7%
3.1%
Q2 24
57.3%
2.9%
Cash Conversion
AES
AES
FAST
FAST
Q1 26
1.25×
Q4 25
4.65×
1.25×
Q3 25
2.03×
1.15×
Q2 25
0.84×
Q1 25
11.85×
0.88×
Q4 24
1.94×
1.08×
Q3 24
1.96×
1.00×
Q2 24
2.12×
0.88×

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%

FAST
FAST

Reportable Segment Aggregation Before Other Operating Segment$1.8B90%
Other$211.2M10%

Related Comparisons