Fortress Power Envy True 12kW Hybrid Solar Inverter
The Fortress Power Envy True 12kW is a high-power 48V hybrid inverter designed for homes and light commercial systems. Supporting up to 21kW of solar PV input and scalable up to 120kW AC by paralleling 10 units, it delivers reliable energy for grid-tied, off-grid, or backup setups.
With a 200A AC passthrough, your critical loads and full-home circuits stay powered during outages. Fully compatible with all Fortress Power 48V batteries—including eForce, eVault MAX, and eFlex MAX—the Envy True 12kW also supports Virtual Power Plant (VPP) programs, enabling users to earn revenue during high-demand periods.
Its integrated AC/DC breakers, rapid shutdown transmitter, and remote monitoring make installation safe, code-compliant, and easy to manage. Perfect for users who need flexible, scalable, and future-ready solar power.
Applications
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Grid-connected systems with VPP participation
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Home backup power for critical loads
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Light commercial energy systems
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DIY solar setups
Introduction to the Fortress Power Envy True 12kW Inverter
Envy True 12kW Inverter Features
Solar Storage Inverter for Residential and Commercial
🔋 High-Power, Scalable Energy
Supports 21kW PV input and 12kW continuous output, expandable up
to 120kW AC by paralleling 10 units,
giving homes and businesses reliable, growing power capacity.
⚡ Quick, Clean Installation
Built-in AC/DC breakers and generous wiring space simplify setup, saving time and reducing labor for both new builds and retrofits.
🛡️ Safe & Code-Compliant
Integrated rapid shutdown transmitter meets NEC 2017 & 2020, eliminating extra
devices while ensuring a safe, compliant system.
🔌 Flexible Voltage Compatibility
Works with 120/240V split-phase for residential or 120/208V / 127/220V three-phase for commercial applications, adaptable to a variety of projects.
🌐 Earn from Virtual Power Plant Programs
Approved across the U.S. and Canada, enabling participation in demand-response programs to monetize stored energy during peak periods.
📱 Remote Monitoring & Firmware Updates
Manage solar production, battery performance, and system settings via the Fortress Power app, keeping your system efficient and up to date without onsite visits.
Envy 12K Installation Videos
Step-by-step setup guide.
Envy 12K Influencer Videos
Hear what influencer think.
Envy 12K Real World Installations
Explore real-world projects where the Envy inverter delivers reliable power for homes, off-grid living, and church installations.
📍 Fresno,California
🏠 Installation Type:
Homeowner Installation
⚡ System Specs:
12kW/28.8 kWh
📍 Colorado,USA
🏠 Installation Type:
Off-Grid Install Envy 12 & eForce Pair
⚡ System Specs:
12kW/19.2kWh
📍 Colorado, USA
🏠 Installation Type:
Off-Grid Home Install
⚡ System Specs:
12kW/19.2 kWh
📍 Spring Valley, California
🏠 Installation Type:
Church Installation
⚡ System Specs:
12kW/19.2 kWh
Envy True 12kW Inverter Technical Specs & Downloads
Get the details you need—spec sheets, manuals, and performance data all in one place. We link directly to the manufacturer's site, so you know you always have the most up-to-date information.
| Input DC (PV Side) | |
| Max. DC Input Power for Single MPPT | 12000W/7000W/7000W 1 x 12kW, 2 x 7kW |
| Max. PV Input Power | 21000W |
| Max. PV Power Delivered to Battery & AC Outputs | 18000W |
| Output/Input AC (Grid) | |
| Continuous AC Power to Grid | 12000W (240V) |
| Continuous AC Power to Load with Grid or Generator | 48000W (240V) |
| Nominal Output Voltage | 120/240V Single Split Phase, 120/208V Single Split Phase, 120/208V Three Phase, 120/220V Three Phase |
| Max. Continuous AC Current | 50A @ 240V / 50A @208V |
| Nominal AC Frequency | 50Hz/60Hz |
| Max. Output Power (Off-Grid) | 12000W (240V) |
| Peak Power | 14kW 10 minutes / 16kW 5 minutes / 20kW 500ms |
| Switching Time | Seamless |
| Compatible Battery Type | Lithium and Lead acid batteries |
| Nominal Battery Voltage | 48V |
| Max. Efficiency | 97.5% |
| Module Level Rapid Shut Down (RSD) | Built-in APsmart Transmitter |
| Certifications | UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma, SGIP, NOM |
| Warranty | 10 Years |
