Turnkey Microgrid Energy Storage

For Commercial & Industrial Applications

Commercial & Industrial Products

eSpire 280

Up to 4.2mWh Commercial and Industrial Energy Storage Solution

eSpire Mini

Large Residential and Light C&I
Energy Storage Solution

Keystone EMS

Microgrid controls to manage Distributed Energy Resources

Commercial & Industrial Energy Storage Solutions

Schools and Universities

Agricultural Facilities

Quick Serve Restaurants

Retail Locations

Manufacturing Facilities

Car Dealerships

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

Success Stories

Discover how Fortress Power’s advanced energy storage and EMS solutions are helping customers today.

Agricultural Facility Boosts Resiliency and Reduces Costs

An agricultural facility in Malibu, CA, overcame blackout disruptions and high energy costs using Fortress Power’s eSpire Mini BESS and Keystone EMS, achieving improved reliability, peak shaving, and VPP capabilities with an estimated payback in under 5 years.

EV Charging Depot Enhances Reliability and Reduces Costs

A California bus charging depot addressed rolling blackouts and rising utility costs caused by L3 EV chargers using Fortress Power’s eSpire BESS and Keystone EMS, achieving improved resiliency, peak shaving, and VPP capabilities with an estimated payback in under 6 years.

Keystone EMS:
Resiliency Through a Power Outage

When a utility outage struck, Fortress Power’s eSpire system and Keystone EMS seamlessly provided backup power, covering building loads and recharging batteries using solar PV. Once utility service was restored, excess solar energy was sold back to the grid, ensuring resiliency and ongoing cost savings.

Keystone EMS: Maximizing Returns with Intelligent Energy Management

When a utility outage struck, Fortress Power’s eSpire system and Keystone EMS seamlessly provided backup power, covering building loads and recharging batteries using solar PV. Once utility service was restored, excess solar energy was sold back to the grid, ensuring resiliency and ongoing cost savings.

Safe Technology and Multi-level Protection

Fortress uses Lithium Iron Phosphate (LFP) battery cells from tier 1 suppliers to provide the highest levels of safety, thermal stability, and reliability. The integrated Battery Management System (BMS) monitors, optimizes, and balances the load across all the batteries in our modular systems.

school with solar panels

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.