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 4.5× larger than Enphase Energy by market cap; First Solar trades at the lower P/E (13.8 vs 40.2); year to date, Enphase Energy leads (+16.0% vs −20.3%).
Side by side
| ENPH | FSLR | |
|---|---|---|
| Market cap | $5.4B | $24B |
| Price | $37.35 | $206.82 |
| Today | +0.5% | −0.7% |
| Return YTD | +16.0% | −20.3% |
| Return 1Y | −2.6% | +3.0% |
| P/E | 40.2 | 13.8 |
| P/S | 4.1 | 4.5 |
| P/B | 4.6 | 2.3 |
Data as of 2026-08-26 · updates daily after U.S. close
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 →See where ENPH and FSLR sit in the full Energy, grid & critical infrastructure map: every segment from suppliers to end markets.Open the Energy value chain →