Enphase Energyvs.First Solar
ENPH vs FSLR · both in Solar & wind, part of the Energy, grid & critical infrastructure value chain: Solar and wind capacity producers, the core of renewable build-out.
First Solar is about 4.4× larger than Enphase Energy by market cap; First Solar trades at the lower P/E (11.1 vs 33.0); year to date, Enphase Energy leads (+4.5% vs −31.0%).
Side by side
| ENPH | FSLR | |
|---|---|---|
| Market cap | $4.4B | $19.4B |
| Price | $32.91 | $178.85 |
| Today | −1.8% | −0.7% |
| Return YTD | +4.5% | −31.0% |
| Return 1Y | −7.6% | −21.0% |
| Since June 26, 2026 | −30.8% | −25.2% |
| P/E | 33.0 | 11.1 |
| P/S | 3.3 | 3.6 |
| P/B | 3.7 | 1.9 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Enphase EnergyENPH
Microinverters and batteries that make distributed solar usable in homes and businesses.
Full ENPH profile →First SolarFSLR
Thin-film solar panels, made at greater scale than by any other US manufacturer, going into utility-scale projects that include supply for data centres.
Full FSLR profile →