GridSynergy is a comprehensive, software-driven, field-proven battery-based energy storage system that puts cost-savings and grid-balancing controls in the hands of energy providers and facility managers.

GridSynergy software

Intelligence that delivers performance.

GridSynergy software helps our engineers analyze energy demand and configure your GridSynergy hardware to meet performance commitments. The cloud-based software draws on historical data from thousands of GridSynergy systems, as well as real-time input from your systems, to calculate optimal charge and discharge cycles. Over time, GridSynergy learns and adapts to the energy usage patterns in the installed environment.

GridSynergy software is also a platform for the delivery of value-added energy optimization services, on both sides of the meter, for businesses, government facilities, energy providers and network operators.


  • Peak shaving
  • Solar firming
  • Demand response
  • Energy arbitrage
  • Rate optimization

Solar + Storage

  • Peak shaving
  • Solar firming
  • ITC capture
  • Solar-self consumption
  • Solar production time-shifting
  • Ramp rate control


  • Frequency regulation
  • Frequency response
  • Voltage regulation
  • Load reduction
  • Energy arbitrage
  • Renewables firming

GridSynergy hardware

Vendor agnostic, tailored to your needs.

To match your project specifications, ENGIE Storage partners with several leading battery and inverter manufacturers. All our suppliers are committed to environmentally responsible lifecycle management of their components.

We also source three types of enclosures to meet the varying site requirements of behind-the-meter (BTM) and in-front-of-the-meter (IFOM) installations:

GridSynergy systems are configured to meet all necessary local site requirements, such as weather, noise, and space constraints.

ENGIE Storage services

Leverage our financial strength and years of project experience.

Whether we deliver energy storage as a standalone solution, an integrated renewables project, or as part of an energy-as-a-service (EaaS) contract, our goal is to ensure successful deployment and optimal energy cost management.

To do so, we offer the following services:

To do so, we offer the following services:


Our energy storage solutions have garnered praise from a variety of industry groups and publications:


What synergies will you achieve?

Customized for each project and guaranteed to perform, GridSynergy has the power to make your next solar-plus-storage, EV charging, or virtual power plant (VPP) deployment more financially and environmentally sustainable.

Solar + Storage

Integrating energy storage with solar PV increases efficiencies through energy arbitrage, solar firming and tariff optimization. Solar contractors are increasingly seeing energy storage as table stakes in bids for highly competitive solar projects.

EV Charging + Energy Storage

When coupled with EV chargers, GridSynergy systems can discharge power to ensure that the recorded peak demand does not exceed certain setpoints, thus eliminating the costly spikes. Installing energy storage also provides capacity for additional EV charging without expensive utility upgrades.

Virtual Power Plants

Utilities already use their own alternative energy assets as supply-side VPPs, to meet their ISO obligations. Increasingly, they are considering adding customer-sited resources to the mix. ENGIE Storage can aggregate distributed GridSynergy systems into a single managed resource to support demand response, frequency regulation, solar firming, voltage control, and other grid services.

Learn how GridSynergy serves your industry.

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