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Side-by-side financial comparison of CENTURY ALUMINUM CO (CENX) and First Solar (FSLR). Click either name above to swap in a different company.

First Solar is the larger business by last-quarter revenue ($1.0B vs $633.7M, roughly 1.6× CENTURY ALUMINUM CO). First Solar runs the higher net margin — 33.2% vs 0.3%, a 32.9% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs 0.4%). Over the past eight quarters, CENTURY ALUMINUM CO's revenue compounded faster (13.8% CAGR vs 1.7%).

Century Aluminum Company is a US-based producer of primary aluminum, with aluminum plants in Kentucky, South Carolina and Iceland. It is the largest producer of primary aluminum in the United States. The company is a publicly held corporation listed on the NASDAQ. The headquarters is at One South Wacker in Chicago.

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.

CENX vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.6× larger
FSLR
$1.0B
$633.7M
CENX
Growing faster (revenue YoY)
FSLR
FSLR
+23.2% gap
FSLR
23.6%
0.4%
CENX
Higher net margin
FSLR
FSLR
32.9% more per $
FSLR
33.2%
0.3%
CENX
Faster 2-yr revenue CAGR
CENX
CENX
Annualised
CENX
13.8%
1.7%
FSLR

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CENX
CENX
FSLR
FSLR
Revenue
$633.7M
$1.0B
Net Profit
$1.8M
$346.6M
Gross Margin
13.0%
46.6%
Operating Margin
5.2%
33.1%
Net Margin
0.3%
33.2%
Revenue YoY
0.4%
23.6%
Net Profit YoY
-96.0%
65.4%
EPS (diluted)
$0.03
$3.22

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
CENX
CENX
FSLR
FSLR
Q1 26
$1.0B
Q4 25
$633.7M
$1.7B
Q3 25
$632.2M
$1.6B
Q2 25
$628.1M
$1.1B
Q1 25
$633.9M
$844.6M
Q4 24
$630.9M
$1.5B
Q3 24
$539.1M
$887.7M
Q2 24
$560.8M
$1.0B
Net Profit
CENX
CENX
FSLR
FSLR
Q1 26
$346.6M
Q4 25
$1.8M
$520.9M
Q3 25
$14.9M
$455.9M
Q2 25
$-4.6M
$341.9M
Q1 25
$29.7M
$209.5M
Q4 24
$45.2M
$393.1M
Q3 24
$47.3M
$313.0M
Q2 24
$-2.5M
$349.4M
Gross Margin
CENX
CENX
FSLR
FSLR
Q1 26
46.6%
Q4 25
13.0%
39.5%
Q3 25
12.2%
38.3%
Q2 25
5.8%
45.6%
Q1 25
9.6%
40.8%
Q4 24
10.5%
37.5%
Q3 24
15.2%
50.2%
Q2 24
3.6%
49.4%
Operating Margin
CENX
CENX
FSLR
FSLR
Q1 26
33.1%
Q4 25
5.2%
32.6%
Q3 25
9.2%
29.2%
Q2 25
3.3%
33.0%
Q1 25
7.3%
26.2%
Q4 24
7.8%
30.2%
Q3 24
11.8%
36.3%
Q2 24
1.1%
36.9%
Net Margin
CENX
CENX
FSLR
FSLR
Q1 26
33.2%
Q4 25
0.3%
31.0%
Q3 25
2.4%
28.6%
Q2 25
-0.7%
31.2%
Q1 25
4.7%
24.8%
Q4 24
7.2%
26.0%
Q3 24
8.8%
35.3%
Q2 24
-0.4%
34.6%
EPS (diluted)
CENX
CENX
FSLR
FSLR
Q1 26
$3.22
Q4 25
$0.03
$4.84
Q3 25
$0.15
$4.24
Q2 25
$-0.05
$3.18
Q1 25
$0.29
$1.95
Q4 24
$0.58
$3.66
Q3 24
$0.46
$2.91
Q2 24
$-0.03
$3.25

Balance Sheet & Financial Strength

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

Metric
CENX
CENX
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$134.2M
$2.4B
Total DebtLower is stronger
$425.8M
Stockholders' EquityBook value
$805.6M
$9.9B
Total Assets
$2.3B
$13.4B
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CENX
CENX
FSLR
FSLR
Q1 26
$2.4B
Q4 25
$134.2M
$2.8B
Q3 25
$151.4M
$2.0B
Q2 25
$40.7M
$1.1B
Q1 25
$44.9M
$837.6M
Q4 24
$32.9M
$1.6B
Q3 24
$1.0B
Q2 24
$41.3M
$1.7B
Total Debt
CENX
CENX
FSLR
FSLR
Q1 26
$425.8M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
CENX
CENX
FSLR
FSLR
Q1 26
$9.9B
Q4 25
$805.6M
$9.5B
Q3 25
$741.8M
$9.0B
Q2 25
$724.4M
$8.5B
Q1 25
$726.3M
$8.2B
Q4 24
$694.4M
$8.0B
Q3 24
$628.5M
$7.6B
Q2 24
$601.5M
$7.3B
Total Assets
CENX
CENX
FSLR
FSLR
Q1 26
$13.4B
Q4 25
$2.3B
$13.3B
Q3 25
$2.1B
$13.5B
Q2 25
$1.9B
$12.9B
Q1 25
$2.0B
$12.1B
Q4 24
$1.9B
$12.1B
Q3 24
$2.1B
$11.4B
Q2 24
$1.8B
$11.0B
Debt / Equity
CENX
CENX
FSLR
FSLR
Q1 26
0.04×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
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
CENX
CENX
FSLR
FSLR
Operating Cash FlowLast quarter
$102.8M
$-214.9M
Free Cash FlowOCF − Capex
$67.7M
FCF MarginFCF / Revenue
10.7%
Capex IntensityCapex / Revenue
5.5%
Cash ConversionOCF / Net Profit
57.11×
-0.62×
TTM Free Cash FlowTrailing 4 quarters
$84.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CENX
CENX
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$102.8M
$1.2B
Q3 25
$2.0M
$1.3B
Q2 25
$7.9M
$149.6M
Q1 25
$72.3M
$-608.0M
Q4 24
$-41.4M
$811.0M
Q3 24
$20.1M
$-53.7M
Q2 24
$11.5M
$193.0M
Free Cash Flow
CENX
CENX
FSLR
FSLR
Q1 26
Q4 25
$67.7M
$1.1B
Q3 25
$-18.1M
$1.1B
Q2 25
$-15.9M
$-138.6M
Q1 25
$51.1M
$-813.9M
Q4 24
$-54.6M
$497.5M
Q3 24
$-2.4M
$-487.7M
Q2 24
$-5.4M
$-172.1M
FCF Margin
CENX
CENX
FSLR
FSLR
Q1 26
Q4 25
10.7%
63.6%
Q3 25
-2.9%
67.1%
Q2 25
-2.5%
-12.6%
Q1 25
8.1%
-96.4%
Q4 24
-8.7%
32.9%
Q3 24
-0.4%
-54.9%
Q2 24
-1.0%
-17.0%
Capex Intensity
CENX
CENX
FSLR
FSLR
Q1 26
Q4 25
5.5%
10.2%
Q3 25
3.2%
12.8%
Q2 25
3.8%
26.3%
Q1 25
3.3%
24.4%
Q4 24
2.1%
20.7%
Q3 24
4.2%
48.9%
Q2 24
3.0%
36.1%
Cash Conversion
CENX
CENX
FSLR
FSLR
Q1 26
-0.62×
Q4 25
57.11×
2.38×
Q3 25
0.13×
2.79×
Q2 25
0.44×
Q1 25
2.43×
-2.90×
Q4 24
-0.92×
2.06×
Q3 24
0.42×
-0.17×
Q2 24
0.55×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CENX
CENX

Aluminum$566.3M89%
Alumina$67.4M11%

FSLR
FSLR

Segment breakdown not available.

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