Enphase Energy Inc (ENPH)vsSunrun Inc (RUN)
ENPH
Enphase Energy Inc
$44.11
-1.19%
TECHNOLOGY · Cap: $5.86B
RUN
Sunrun Inc
$12.22
-6.57%
TECHNOLOGY · Cap: $3.12B
Smart Verdict
WallStSmart Research — data-driven comparison
Sunrun Inc generates 101% more annual revenue ($2.96B vs $1.47B). RUN leads profitability with a 15.2% profit margin vs 11.7%. ENPH appears more attractively valued with a PEG of 1.06. RUN earns a higher WallStSmart Score of 67/100 (B-).
ENPH
Hold46
out of 100
Grade: D+
RUN
Strong Buy67
out of 100
Grade: B-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-449.9%
Fair Value
$8.77
Current Price
$44.11
$35.34 premium
Margin of Safety
+76.1%
Fair Value
$80.03
Current Price
$12.22
$67.81 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
No standout strengths identified
Attractively priced relative to earnings
Reasonable price relative to book value
Revenue surging 123.5% year-over-year
Earnings expanding 95.7% YoY
Areas to Watch
Premium valuation, high expectations priced in
Elevated debt levels
Revenue declined 10.3%
Earnings declined 36.4%
Expensive relative to growth rate
ROE of -22.1% — below average capital efficiency
Distress zone — elevated risk
Elevated debt levels
Comparative Analysis Report
WallStSmart ResearchBull Case : ENPH
PEG of 1.06 suggests the stock is reasonably priced for its growth.
Bull Case : RUN
The strongest argument for RUN centers on P/E Ratio, Price/Book, Revenue Growth. Profitability is solid with margins at 15.2% and operating margin at 8.4%. Revenue growth of 123.5% demonstrates continued momentum.
Bear Case : ENPH
The primary concerns for ENPH are P/E Ratio, Debt/Equity, Revenue Growth.
Bear Case : RUN
The primary concerns for RUN are PEG Ratio, Return on Equity, Altman Z-Score. Debt-to-equity of 4.93 is elevated, increasing financial risk.
Key Dynamics to Monitor
ENPH profiles as a declining stock while RUN is a growth play — different risk/reward profiles.
RUN carries more volatility with a beta of 2.46 — expect wider price swings.
RUN is growing revenue faster at 123.5% — sustainability is the question.
RUN generates stronger free cash flow (96M), providing more financial flexibility.
Bottom Line
RUN scores higher overall (67/100 vs 46/100), backed by strong 15.2% margins and 123.5% revenue growth. Both earn "Strong Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Enphase Energy Inc
TECHNOLOGY · SOLAR · USA
Enphase Energy is an American energy technology company headquartered in Fremont, California. Enphase designs and manufactures software-driven home energy solutions that span solar generation, home energy storage and web-based monitoring and control.
Sunrun Inc
TECHNOLOGY · SOLAR · USA
Sunrun Inc. is dedicated to the design, development, installation, sale, ownership and maintenance of residential solar energy systems in the United States. The company is headquartered in San Francisco, California.
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