Enphase Energy Inc vs Sunrun Inc

Enphase Energy Inc (ENPH) is undervalued and we do not publish a verdict for Sunrun Inc (RUN).

We publish an intrinsic value for ENPH but not for RUN, so the two cannot be ranked on price.

Values as of the 22 Sept 2026 close.

Enphase Energy Inc (ENPH)

A 9.7x revenue multiple, adjusted for growth and margin, values the shares at $99.99; the price of $34.42 is 66% below that value.

Leak Score 68/100 on 3 of 12 signals

Sunrun Inc (RUN)

Discounting its cash flows would put the shares at $51.76: 6 times the price of $8.79. A gap that size says more about a model than about the market. It usually means heavy debt, where a small error in the value of the business becomes a large one in the value of the shares, or a business our method does not describe. We do not publish a verdict on this one.

Leak Score 41/100 on 3 of 12 signals

MetricENPHRUN
VerdictUndervaluedNo reliable verdict
Price$34.42$8.79
Intrinsic value$99.99
Margin of safety+66%
Leak Score68/100 (3/12)41/100 (3/12)
Market cap$4.5B$2.1B
Revenue growth, 5 years13.7%26.2%
Operating margin25.6%2.5%
Net margin10.1%11.7%
Return on equity13.0%12.6%
Debt to equity0.524.36
P/E34.1x5.9x
Forward P/E15.5x20.4x
P/B3.9x0.6x

All stocks in Solar