Enphase Energy, Inc. (ENPH) P/E Ratio History
UndervaluedTrading at 42.4x vs 5Y avg 84.7x · 30th percentile · Below historical baseline · Data 2019–2026
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P/E Ratio Analysis
As of November 7, 2026, Enphase Energy, Inc. (ENPH) trades at a price-to-earnings ratio of 42.4x, with a stock price of $28.47 and trailing twelve-month earnings per share of $0.67.
The current P/E is 50% below its 5-year average of 84.7x. Over the past five years, ENPH's P/E has ranged from a low of 24.2x to a high of 257.1x, placing the current valuation at the 30th percentile of its historical range.
Compared to the Energy sector median P/E of 12.6x, ENPH trades at a 236% premium to its sector peers. The sector includes 159 companies with P/E ratios ranging from 0.1x to 148.1x.
The PEG ratio of 6.72 (P/E divided by 72% EPS growth) suggests the stock may be expensive relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, ENPH commands a significant premium over the S&P 500 median P/E of 21.8x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ENPH DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ENPH Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
ENPH P/E vs Peers
Solar Equipment and Installers peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $22B | 11.6Lowest | 0.38Best | +18% | |
| $2B | 45.3 | - | +43% | |
| $2B | 18.3 | - | +113%Best | |
| $10B | 35.0 | - | -50% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
ENPH Historical P/E Data (2019–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q3 | Sep 30 2026 | $32.99 | $0.67 | 49.2x | -49% |
| FY2026 Q2 | - | $49.24 | $1.00 | 49.2x | -49% |
| FY2026 Q1 | - | $37.81 | $1.01 | 37.4x | -61% |
| FY2025 Q4 | Dec 31 2025 | $32.05 | $1.29 | 24.8x | -74% |
| FY2025 Q3 | - | $35.39 | $1.46 | 24.2x | -75% |
| FY2025 Q2 | Jun 30 2025 | $39.65 | $1.29 | 30.7x | -68% |
| FY2025 Q1 | Mar 31 2025 | $62.05 | $1.09 | 56.9x | -41% |
| FY2024 Q4 | - | $68.68 | $0.75 | 91.6x | -4% |
| FY2024 Q3 | Sep 30 2024 | $113.02 | $0.44 | 257.1x | +169% |
| FY2024 Q2 | Jun 30 2024 | $99.71 | $0.91 | 109.6x | +14% |
| FY2024 Q1 | Mar 31 2024 | $120.98 | $1.92 | 63.0x | -34% |
| FY2023 Q4 | Dec 31 2023 | $132.14 | $3.06 | 43.2x | -55% |
| FY2023 Q3 | Sep 30 2023 | $120.15 | $3.97 | 30.3x | -68% |
| FY2023 Q2 | Jun 30 2023 | $167.48 | $3.96 | 42.3x | -56% |
| FY2023 Q1 | Mar 31 2023 | $210.28 | $3.41 | 61.7x | -36% |
| FY2022 Q4 | Dec 31 2022 | $264.96 | $2.75 | 96.3x | +1% |
| FY2022 Q3 | Sep 30 2022 | $277.47 | $2.06 | 134.7x | +41% |
| FY2022 Q2 | - | $195.24 | $1.42 | 137.5x | +44% |
| FY2022 Q1 | - | $201.78 | $1.16 | 173.9x | +82% |
| FY2021 Q4 | Dec 31 2021 | $182.94 | $1.02 | 179.4x | +87% |
| FY2021 Q3 | - | $149.97 | $1.15 | 130.4x | +36% |
| FY2021 Q2 | Jun 30 2021 | $183.63 | $1.28 | 143.5x | +50% |
| FY2021 Q1 | Mar 31 2021 | $162.16 | $0.62 | 261.5x | +173% |
| FY2020 Q4 | - | $175.47 | $0.90 | 195.0x | +104% |
| FY2020 Q3 | Sep 30 2020 | $82.59 | $1.28 | 64.5x | -33% |
| FY2020 Q2 | - | $47.57 | $1.23 | 38.7x | -60% |
| FY2020 Q1 | - | $32.29 | $1.69 | 19.1x | -80% |
| FY2019 Q4 | - | $26.13 | $1.21 | 21.6x | -77% |
| FY2019 Q3 | Sep 30 2019 | $22.23 | $0.34 | 65.4x | -32% |
| FY2019 Q2 | Jun 30 2019 | $18.23 | $0.08 | 239.2x | +150% |
Average P/E for displayed period: 95.7x
ENPH Chart Terminal
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Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
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Peer Comparison
Compare growth, multiples, and margins vs sector.
ENPH — Frequently Asked Questions
Quick answers to the most common questions about buying ENPH stock.
What is ENPH's P/E ratio?
Enphase Energy, Inc. (ENPH) trailing twelve-month P/E ratio is 42.4x, based on TTM diluted EPS of $0.67. The 5-year average P/E is 84.7x and the historical range spans 24.2x to 257.1x.
Is ENPH stock overvalued or undervalued?
ENPH trades at 42.4x P/E, below its 5-year average of 84.7x. At the 30th percentile of its historical range (24.2x–257.1x), the stock is priced at a discount to its own history.
Is ENPH stock expensive?
No, ENPH is not expensive on a historical basis. The current P/E of 42.4x is below the 5-year average of 84.7x and sits at the 30th percentile of its valuation range.
What is ENPH's historical P/E range?
Over the past 5 years, ENPH's P/E ratio has ranged from 24.2x to 257.1x, with a median of 61.7x and an average of 84.7x. The current P/E of 42.4x places the stock at the 30th percentile of this range. Full historical data spans 2019–2026.
How does ENPH's P/E compare to the S&P 500?
ENPH trades at 42.4x P/E versus the S&P 500 median of 21.8x. The 94% premium to the market typically reflects higher expected earnings growth or quality.
How does ENPH's valuation compare to Energy peers?
Enphase Energy, Inc. P/E of 42.4x compares to the Energy sector median of 12.6x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is ENPH's PEG ratio?
ENPH PEG ratio is 6.72, based on a P/E of 42.4x and EPS growth of 72.0%. A PEG above 2.0 indicates a premium valuation relative to earnings growth — typically considered expensive.
What is ENPH's earnings yield?
ENPH earnings yield is 2.36%, the inverse of its 42.4x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.