eSpire Nano Commercial Energy Storage System
Commercial performance. Residential speed commissioning. Advanced energy adaptation and optimization.
eSpire Nano Commercial Energy Storage System
Modular, Pre-Configured DC/AC Coupled Energy Storage Solution for Commercial + Industrial Applications
The Fortress Power eSpire Nano is a turnkey outdoor battery energy storage system (BESS) engineered for commercial and industrial projects that demand reliability, flexibility, and fast deployment. Delivered pre-configured with inverters, Lithium Iron Phosphate (LFP) batteries, advanced BMS, and intelligent climate control, the eSpire Nano simplifies installation while supporting a wide range of applications—from peak shaving and load shifting to microgrids, backup power, and VPP participation. With multiple inverter and battery configurations available, the eSpire Nano scales to meet evolving energy and power requirements while delivering long-term performance backed by a 10-year warranty.
Applications
Manufacturing Plants
Grocery and Convenient Stores
Charging Stations and Service Areas
Schools, Banks and Hospitals
FEATURES
PRODUCT INFORMATION
PACKAGE CONFIGURATIONS
Choose the Level of Intelligence Your Site Needs. Both packages run on the same Nano hardware. The difference is how each one senses, schedules, and reports on your energy — and how far it can go toward maximizing ROI.
| Capability | Nano Provia Keystone EMS Controller | Nano Standardvia Guardian Dongle |
|---|---|---|
| Smart Scheduling | Unlimited setting possibilities | Up to 6 user-configurable charge and 6 discharge schedules |
| Demand Charge Management | Predictive peak shaving based on 15-minute interval data | Simple threshold-based peak shaving |
| Time-of-Use Optimization | Automatically adapts to the dynamic utility rate | Up to 6 charge / 6 discharge schedules set manually |
| Incentive & Program Support | ✅ Included | ❌ Not available |
| Savings & Performance Reporting | ✅ Included | ❌ Not available |
| Multi-Meter & Large Feeders | ✅ Included | ❌ Limited to one panel up to 1200A |
| Extended Local Data Storage | ✅ Included | ❌ Not available |
| Design Flexibility | ✅ Included | ❌ Not available |
VIDEO LIBRARY
eSpire Nano Video Library
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Keystone EMS
The Keystone EMS cloud platform and microgrid controller secures your energy using advanced tools, including:
- Automated scheduling and controls
- Integrated controls for solar, storage, EV charging, generators, and other devices
- Real-time insights and monitoring
- O&M reporting and alarming tools
- Scalable from individual projects to portfolios of assets
Contact Us for a Customized Quote
Our goal is to gather essential information about your project to ensure we recommend the most suitable product for your needs. We created a project checklist to help speed up the process.