REC — Singapore
Alpha-37 BF
The REC Alpha-37 BF is a 370W N-Type TOPCon solar panel with 19.1% efficiency. Backed by a 25-year warranty.
Premium TierBifacial
370W
Wattage
19.1%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- REC
- Model
- Alpha-37 BF
- Series
- Alpha
- Wattage
- 370W
- Module Efficiency
- 19.1%
- Cell Type
- N-Type TOPCon
- Dimensions
- 65-67" x 39-40"
- Weight
- 42 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.49
- Est. 7kW System Cost
- $17,430
- Est. 10kW System Cost
- $24,900
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- Origin
- Singapore
- FEOC Status
- likely_pass
Other REC Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Alpha 455W E Pro | 455W | 23% | N-Type TOPCon | $3.84 |
| Alpha 450W D Plus | 450W | 22.8% | HJT | $3.77 |
| Alpha 445W A Ultra | 445W | 22.5% | HJT | $3.67 |
| Alpha 440W C | 440W | 22.3% | N-Type TOPCon | $3.60 |
| Alpha 435W E Max | 435W | 22.1% | N-Type TOPCon | $3.53 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon-40 HD | 400W | 21.5% | $3.92 |
| SunPower Maxeon 395W E BF | 395W | 21.4% | $3.87 |
| Maxeon 3 400-A Black | 400W | 21.4% | $3.61 |
| Maxeon 3 395W A | 395W | 21.2% | $3.51 |
Frequently Asked Questions
How much does a 370W REC Alpha-37 BF cost?
The REC Alpha-37 BF costs approximately $921 per panel ($$2.49/W). A typical 7kW system using this panel would cost around $17,430 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed July 4, 2026.
Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →
Is the REC Alpha-37 BF a good solar panel?
The REC Alpha-37 BF has 19.1% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many REC Alpha-37 BF panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.