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Side-by-side financial comparison of Enphase Energy (ENPH) 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 $282.9M, roughly 5.9× Enphase Energy). First Solar runs the higher net margin — 31.0% vs -2.6%, a 33.6% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (11.1% vs -20.6%). First Solar produced more free cash flow last quarter ($1.1B vs $83.0M). Over the past eight quarters, First Solar's revenue compounded faster (45.6% CAGR vs -3.4%).

Enphase Energy, Inc. is an American energy technology company headquartered in Fremont, California, that develops and manufactures solar micro-inverters, battery energy storage, and EV charging stations primarily for residential customers. Enphase was established in 2006 and is the first company to successfully commercialize solar micro-inverters, which convert the direct current (DC) power generated by solar panels into grid-compatible alternating current (AC) for use or export.

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.

ENPH vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
5.9× larger
FSLR
$1.7B
$282.9M
ENPH
Growing faster (revenue YoY)
FSLR
FSLR
+31.7% gap
FSLR
11.1%
-20.6%
ENPH
Higher net margin
FSLR
FSLR
33.6% more per $
FSLR
31.0%
-2.6%
ENPH
More free cash flow
FSLR
FSLR
$987.2M more FCF
FSLR
$1.1B
$83.0M
ENPH
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
45.6%
-3.4%
ENPH

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ENPH
ENPH
FSLR
FSLR
Revenue
$282.9M
$1.7B
Net Profit
$-7.4M
$520.9M
Gross Margin
35.5%
39.5%
Operating Margin
32.6%
Net Margin
-2.6%
31.0%
Revenue YoY
-20.6%
11.1%
Net Profit YoY
-124.9%
32.5%
EPS (diluted)
$-0.06
$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
ENPH
ENPH
FSLR
FSLR
Q1 26
$282.9M
Q4 25
$343.3M
$1.7B
Q3 25
$410.4M
$1.6B
Q2 25
$363.2M
$1.1B
Q1 25
$356.1M
$844.6M
Q4 24
$382.7M
$1.5B
Q3 24
$380.9M
$887.7M
Q2 24
$303.5M
$1.0B
Net Profit
ENPH
ENPH
FSLR
FSLR
Q1 26
$-7.4M
Q4 25
$38.7M
$520.9M
Q3 25
$66.6M
$455.9M
Q2 25
$37.1M
$341.9M
Q1 25
$29.7M
$209.5M
Q4 24
$62.2M
$393.1M
Q3 24
$45.8M
$313.0M
Q2 24
$10.8M
$349.4M
Gross Margin
ENPH
ENPH
FSLR
FSLR
Q1 26
35.5%
Q4 25
44.3%
39.5%
Q3 25
47.8%
38.3%
Q2 25
46.9%
45.6%
Q1 25
47.2%
40.8%
Q4 24
51.8%
37.5%
Q3 24
46.8%
50.2%
Q2 24
45.2%
49.4%
Operating Margin
ENPH
ENPH
FSLR
FSLR
Q1 26
Q4 25
6.5%
32.6%
Q3 25
16.1%
29.2%
Q2 25
10.2%
33.0%
Q1 25
9.0%
26.2%
Q4 24
14.3%
30.2%
Q3 24
13.1%
36.3%
Q2 24
0.6%
36.9%
Net Margin
ENPH
ENPH
FSLR
FSLR
Q1 26
-2.6%
Q4 25
11.3%
31.0%
Q3 25
16.2%
28.6%
Q2 25
10.2%
31.2%
Q1 25
8.3%
24.8%
Q4 24
16.2%
26.0%
Q3 24
12.0%
35.3%
Q2 24
3.6%
34.6%
EPS (diluted)
ENPH
ENPH
FSLR
FSLR
Q1 26
$-0.06
Q4 25
$0.29
$4.84
Q3 25
$0.50
$4.24
Q2 25
$0.28
$3.18
Q1 25
$0.22
$1.95
Q4 24
$0.46
$3.66
Q3 24
$0.33
$2.91
Q2 24
$0.08
$3.25

Balance Sheet & Financial Strength

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

Metric
ENPH
ENPH
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$497.5M
$2.8B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.1B
$9.5B
Total Assets
$2.7B
$13.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ENPH
ENPH
FSLR
FSLR
Q1 26
$497.5M
Q4 25
$1.5B
$2.8B
Q3 25
$1.5B
$2.0B
Q2 25
$1.5B
$1.1B
Q1 25
$1.5B
$837.6M
Q4 24
$1.6B
$1.6B
Q3 24
$1.8B
$1.0B
Q2 24
$1.6B
$1.7B
Total Debt
ENPH
ENPH
FSLR
FSLR
Q1 26
Q4 25
$1.2B
Q3 25
$1.2B
Q2 25
$1.2B
Q1 25
$1.2B
Q4 24
$1.3B
Q3 24
$1.3B
Q2 24
$1.3B
Stockholders' Equity
ENPH
ENPH
FSLR
FSLR
Q1 26
$1.1B
Q4 25
$1.1B
$9.5B
Q3 25
$995.0M
$9.0B
Q2 25
$880.6M
$8.5B
Q1 25
$810.7M
$8.2B
Q4 24
$833.0M
$8.0B
Q3 24
$931.4M
$7.6B
Q2 24
$884.5M
$7.3B
Total Assets
ENPH
ENPH
FSLR
FSLR
Q1 26
$2.7B
Q4 25
$3.5B
$13.3B
Q3 25
$3.3B
$13.5B
Q2 25
$3.2B
$12.9B
Q1 25
$3.1B
$12.1B
Q4 24
$3.2B
$12.1B
Q3 24
$3.3B
$11.4B
Q2 24
$3.2B
$11.0B
Debt / Equity
ENPH
ENPH
FSLR
FSLR
Q1 26
Q4 25
1.11×
Q3 25
1.21×
Q2 25
1.37×
Q1 25
1.48×
Q4 24
1.56×
Q3 24
1.40×
Q2 24
1.47×

Cash Flow & Capital Efficiency

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

Metric
ENPH
ENPH
FSLR
FSLR
Operating Cash FlowLast quarter
$102.9M
$1.2B
Free Cash FlowOCF − Capex
$83.0M
$1.1B
FCF MarginFCF / Revenue
29.3%
63.6%
Capex IntensityCapex / Revenue
10.2%
Cash ConversionOCF / Net Profit
2.38×
TTM Free Cash FlowTrailing 4 quarters
$145.1M
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ENPH
ENPH
FSLR
FSLR
Q1 26
$102.9M
Q4 25
$47.6M
$1.2B
Q3 25
$13.9M
$1.3B
Q2 25
$26.6M
$149.6M
Q1 25
$48.4M
$-608.0M
Q4 24
$167.3M
$811.0M
Q3 24
$170.1M
$-53.7M
Q2 24
$127.1M
$193.0M
Free Cash Flow
ENPH
ENPH
FSLR
FSLR
Q1 26
$83.0M
Q4 25
$37.8M
$1.1B
Q3 25
$5.9M
$1.1B
Q2 25
$18.4M
$-138.6M
Q1 25
$33.8M
$-813.9M
Q4 24
$159.2M
$497.5M
Q3 24
$161.6M
$-487.7M
Q2 24
$117.4M
$-172.1M
FCF Margin
ENPH
ENPH
FSLR
FSLR
Q1 26
29.3%
Q4 25
11.0%
63.6%
Q3 25
1.4%
67.1%
Q2 25
5.1%
-12.6%
Q1 25
9.5%
-96.4%
Q4 24
41.6%
32.9%
Q3 24
42.4%
-54.9%
Q2 24
38.7%
-17.0%
Capex Intensity
ENPH
ENPH
FSLR
FSLR
Q1 26
Q4 25
2.8%
10.2%
Q3 25
2.0%
12.8%
Q2 25
2.3%
26.3%
Q1 25
4.1%
24.4%
Q4 24
2.1%
20.7%
Q3 24
2.2%
48.9%
Q2 24
3.2%
36.1%
Cash Conversion
ENPH
ENPH
FSLR
FSLR
Q1 26
Q4 25
1.23×
2.38×
Q3 25
0.21×
2.79×
Q2 25
0.72×
0.44×
Q1 25
1.63×
-2.90×
Q4 24
2.69×
2.06×
Q3 24
3.72×
-0.17×
Q2 24
11.73×
0.55×

Financial Flow Comparison

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

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