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Hybrid inverter
Fortress Power FP-Envy 15K
The Fortress Power FP-Envy 15K is a hybrid inverter from Fortress Power. Rated AC output 13.9 kW. Listed and verified: UL 1741. Sold in United States.
Specifications
- Rated AC output
- 13.9 kW
What the Fortress Power FP-Envy 15K does
A hybrid inverter runs both the solar array and a home battery: it supplies the home from the panels first, stores the surplus and draws on the battery when the sun goes down. With 13.9 kW of AC output, the Fortress Power FP-Envy 15K suits an array of about 13.9–18.1 kWp, as installers commonly size the panels up to 30% above the inverter's rating.
Product details
- Product type
- Hybrid inverter
- Brand
- Fortress Power
- Category
- Home Solar & Hybrid Inverters
- Sold in
- United States
- Listed in
- California Energy Commission
Models (1)
| Model | AC output |
|---|---|
| FP-Envy 15K | 13.899 kW |
Certifications
| Certification | Market | Status | Reference | Valid until |
|---|---|---|---|---|
| UL 1741 | United States | ✓ Verified 19 October 2026 | Intertek |