vs

Side-by-side financial comparison of A. O. Smith (AOS) and First Solar (FSLR). Click either name above to swap in a different company.

First Solar is the larger business by last-quarter revenue ($1.7B vs $912.5M, roughly 1.8× A. O. Smith). First Solar runs the higher net margin — 31.0% vs 13.7%, a 17.2% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (11.1% vs 0.0%). Over the past eight quarters, First Solar's revenue compounded faster (29.0% CAGR vs -3.4%).

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

First Solar, Inc. is a publicly traded American manufacturer of solar panels. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc. It provides end-of-life panel recycling at each of its manufacturing facilities.

AOS vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.8× larger
FSLR
$1.7B
$912.5M
AOS
Growing faster (revenue YoY)
FSLR
FSLR
+11.1% gap
FSLR
11.1%
0.0%
AOS
Higher net margin
FSLR
FSLR
17.2% more per $
FSLR
31.0%
13.7%
AOS
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
29.0%
-3.4%
AOS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AOS
AOS
FSLR
FSLR
Revenue
$912.5M
$1.7B
Net Profit
$125.4M
$520.9M
Gross Margin
38.4%
39.5%
Operating Margin
17.9%
32.6%
Net Margin
13.7%
31.0%
Revenue YoY
0.0%
11.1%
Net Profit YoY
14.3%
32.5%
EPS (diluted)
$0.89
$4.84

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
AOS
AOS
FSLR
FSLR
Q1 26
$1.7B
Q4 25
$912.5M
$1.7B
Q3 25
$942.5M
$1.6B
Q2 25
$1.0B
$1.1B
Q1 25
$963.9M
$844.6M
Q4 24
$912.4M
$1.5B
Q3 24
$902.6M
$887.7M
Q2 24
$1.0B
$1.0B
Net Profit
AOS
AOS
FSLR
FSLR
Q1 26
$520.9M
Q4 25
$125.4M
$520.9M
Q3 25
$132.0M
$455.9M
Q2 25
$152.2M
$341.9M
Q1 25
$136.6M
$209.5M
Q4 24
$109.7M
$393.1M
Q3 24
$120.1M
$313.0M
Q2 24
$156.2M
$349.4M
Gross Margin
AOS
AOS
FSLR
FSLR
Q1 26
39.5%
Q4 25
38.4%
39.5%
Q3 25
38.7%
38.3%
Q2 25
39.3%
45.6%
Q1 25
38.9%
40.8%
Q4 24
37.1%
37.5%
Q3 24
37.4%
50.2%
Q2 24
38.7%
49.4%
Operating Margin
AOS
AOS
FSLR
FSLR
Q1 26
32.6%
Q4 25
17.9%
32.6%
Q3 25
18.6%
29.2%
Q2 25
20.4%
33.0%
Q1 25
19.1%
26.2%
Q4 24
10.1%
30.2%
Q3 24
19.5%
36.3%
Q2 24
21.9%
36.9%
Net Margin
AOS
AOS
FSLR
FSLR
Q1 26
31.0%
Q4 25
13.7%
31.0%
Q3 25
14.0%
28.6%
Q2 25
15.0%
31.2%
Q1 25
14.2%
24.8%
Q4 24
12.0%
26.0%
Q3 24
13.3%
35.3%
Q2 24
15.2%
34.6%
EPS (diluted)
AOS
AOS
FSLR
FSLR
Q1 26
$4.84
Q4 25
$0.89
$4.84
Q3 25
$0.94
$4.24
Q2 25
$1.07
$3.18
Q1 25
$0.95
$1.95
Q4 24
$0.75
$3.66
Q3 24
$0.82
$2.91
Q2 24
$1.06
$3.25

Balance Sheet & Financial Strength

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

Metric
AOS
AOS
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$193.2M
$2.8B
Total DebtLower is stronger
$155.0M
$498.6M
Stockholders' EquityBook value
$1.9B
$9.5B
Total Assets
$3.1B
$13.3B
Debt / EquityLower = less leverage
0.08×
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOS
AOS
FSLR
FSLR
Q1 26
$2.8B
Q4 25
$193.2M
$2.8B
Q3 25
$172.8M
$2.0B
Q2 25
$177.9M
$1.1B
Q1 25
$200.2M
$837.6M
Q4 24
$276.1M
$1.6B
Q3 24
$255.6M
$1.0B
Q2 24
$233.3M
$1.7B
Total Debt
AOS
AOS
FSLR
FSLR
Q1 26
$498.6M
Q4 25
$155.0M
Q3 25
Q2 25
Q1 25
Q4 24
$193.2M
Q3 24
Q2 24
Stockholders' Equity
AOS
AOS
FSLR
FSLR
Q1 26
$9.5B
Q4 25
$1.9B
$9.5B
Q3 25
$1.8B
$9.0B
Q2 25
$1.8B
$8.5B
Q1 25
$1.9B
$8.2B
Q4 24
$1.9B
$8.0B
Q3 24
$1.9B
$7.6B
Q2 24
$1.9B
$7.3B
Total Assets
AOS
AOS
FSLR
FSLR
Q1 26
$13.3B
Q4 25
$3.1B
$13.3B
Q3 25
$3.2B
$13.5B
Q2 25
$3.2B
$12.9B
Q1 25
$3.3B
$12.1B
Q4 24
$3.2B
$12.1B
Q3 24
$3.2B
$11.4B
Q2 24
$3.2B
$11.0B
Debt / Equity
AOS
AOS
FSLR
FSLR
Q1 26
0.05×
Q4 25
0.08×
Q3 25
Q2 25
Q1 25
Q4 24
0.10×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
AOS
AOS
FSLR
FSLR
Operating Cash FlowLast quarter
$183.1M
$2.1B
Free Cash FlowOCF − Capex
$165.5M
FCF MarginFCF / Revenue
18.1%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
1.46×
3.95×
TTM Free Cash FlowTrailing 4 quarters
$546.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOS
AOS
FSLR
FSLR
Q1 26
$2.1B
Q4 25
$183.1M
$1.2B
Q3 25
$255.4M
$1.3B
Q2 25
$139.6M
$149.6M
Q1 25
$38.7M
$-608.0M
Q4 24
$221.9M
$811.0M
Q3 24
$195.9M
$-53.7M
Q2 24
$57.4M
$193.0M
Free Cash Flow
AOS
AOS
FSLR
FSLR
Q1 26
Q4 25
$165.5M
$1.1B
Q3 25
$240.6M
$1.1B
Q2 25
$122.5M
$-138.6M
Q1 25
$17.4M
$-813.9M
Q4 24
$191.3M
$497.5M
Q3 24
$163.4M
$-487.7M
Q2 24
$34.5M
$-172.1M
FCF Margin
AOS
AOS
FSLR
FSLR
Q1 26
Q4 25
18.1%
63.6%
Q3 25
25.5%
67.1%
Q2 25
12.1%
-12.6%
Q1 25
1.8%
-96.4%
Q4 24
21.0%
32.9%
Q3 24
18.1%
-54.9%
Q2 24
3.4%
-17.0%
Capex Intensity
AOS
AOS
FSLR
FSLR
Q1 26
Q4 25
1.9%
10.2%
Q3 25
1.6%
12.8%
Q2 25
1.7%
26.3%
Q1 25
2.2%
24.4%
Q4 24
3.4%
20.7%
Q3 24
3.6%
48.9%
Q2 24
2.2%
36.1%
Cash Conversion
AOS
AOS
FSLR
FSLR
Q1 26
3.95×
Q4 25
1.46×
2.38×
Q3 25
1.93×
2.79×
Q2 25
0.92×
0.44×
Q1 25
0.28×
-2.90×
Q4 24
2.02×
2.06×
Q3 24
1.63×
-0.17×
Q2 24
0.37×
0.55×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOS
AOS

North America Segment$713.7M78%
Rest Of World$158.3M17%
Other$40.5M4%

FSLR
FSLR

Segment breakdown not available.

Related Comparisons