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 4.1× larger than Enphase Energy by market cap; First Solar trades at the lower P/E (14.7 vs 43.8); year to date, Enphase Energy leads (+39.9% vs −12.8%).
Side by side
| ENPH | FSLR | |
|---|---|---|
| Market cap | $5.9B | $24.5B |
| Price | $44.83 | $227.83 |
| Today | −0.1% | −0.3% |
| Return YTD | +39.9% | −12.8% |
| Return 1Y | +4.3% | +38.0% |
| P/E | 43.8 | 14.7 |
| P/S | 4.2 | 4.5 |
| P/B | 5.4 | 2.5 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Enphase EnergyENPH
Supplies microinverters and battery systems for solar energy — making distributed solar power practical for homes and businesses.
Full ENPH profile →First SolarFSLR
The largest US manufacturer of solar panels (thin-film) — central to expanding renewable energy capacity, including to meet data centres' power needs.
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 →