Chargex Battery
Utility-Scale Energy Storage

Utility-Scale Battery Storage Systems

Grid-connected LiFePO4 battery energy storage systems (BESS) engineered for utilities, IPPs, and renewable developers — scalable from megawatt-hours to gigawatt-hours.

UL 9540 / NFPA 855
6,000+ Cycles
Made in USA

Grid-Scale Storage Built on LiFePO4

Utility-scale battery storage is the backbone of a modern, renewable-heavy grid. ChargeX designs and manufactures utility-scale battery energy storage systems (BESS) that store energy when generation is abundant and dispatch it when demand peaks — smoothing solar and wind output, deferring transmission upgrades, and delivering fast-response grid services.

Every system is built on lithium iron phosphate (LiFePO4) cells, the safest and most durable mainstream lithium chemistry for stationary storage. With 6,000+ full cycles, minimal calendar degradation, and a thermally stable cathode, LiFePO4 drives down the levelized cost of storage across a 15–20 year project life.

From a single containerized unit to a multi-hundred-megawatt-hour installation, ChargeX platforms scale modularly. Integrated battery management, active thermal management, and multi-layer fire detection and suppression are engineered in — not bolted on — so your project clears interconnection and permitting with confidence.

Utility-Scale by the Numbers

MWh–GWh
Scalable capacity
6,000+
Cycle life @ 80% DoD
95%+
Round-trip efficiency
20 yr
Design service life

Engineered for the Grid

Renewables Integration

DC- and AC-coupled architectures that firm solar and wind output.

Energy time-shifting
Renewable smoothing
Curtailment capture
Grid-forming inverter ready

Fast Grid Services

Sub-second response for frequency and voltage support.

Frequency regulation
Voltage support
Spinning reserve
Black-start capability

Peak & Capacity

Shift load off the peak and defer costly infrastructure.

Peak shaving
Capacity firming
Transmission deferral
Demand response

Where Utility-Scale Storage Delivers

Solar-plus-storage and wind-plus-storage hybrid plants
Standalone front-of-meter BESS for arbitrage and capacity markets
Transmission and distribution upgrade deferral
Frequency regulation and ancillary services
Renewable curtailment capture and re-dispatch
Grid resilience and black-start support
Microgrid anchoring for critical infrastructure
Data center and industrial park firming

Frequently Asked Questions

What is utility-scale battery storage?

Utility-scale battery storage refers to large battery energy storage systems (BESS), typically rated in megawatt-hours (MWh), that connect directly to the electric grid or a large generation asset. These systems store energy from solar, wind, or the grid and dispatch it to balance supply and demand, provide frequency regulation, and firm up renewable generation.

How much does utility-scale battery storage cost per kWh?

Installed costs for utility-scale lithium battery storage generally range from roughly $200 to $400 per kWh depending on system size, duration, site conditions, and interconnection requirements. LiFePO4 chemistry lowers lifetime cost through 6,000+ cycle life and minimal degradation, which reduces the levelized cost of storage. Contact our engineering team for a project-specific quote.

What battery chemistry does ChargeX use for utility-scale projects?

We build utility-scale systems on lithium iron phosphate (LiFePO4) cells. LiFePO4 offers the safest thermal profile of mainstream lithium chemistries, an extremely stable cathode, 6,000+ cycles at 80% depth of discharge, and a wide operating temperature range — making it the preferred chemistry for stationary grid storage.

Can the system integrate with solar and wind farms?

Yes. Our BESS platforms are designed for DC- or AC-coupled integration with utility solar farms and wind sites, supporting renewable smoothing, energy time-shifting, curtailment capture, and grid-forming inverter operation.

What safety and compliance standards are supported?

Systems are engineered to UL 9540 / UL 9540A, UL 1973, NFPA 855, and IEEE 1547 interconnection requirements, with integrated battery management, thermal management, and multi-layer fire detection and suppression.

Scope Your Utility-Scale Project

Share your MW/MWh targets, duration, and interconnection requirements — our engineering team will size a LiFePO4 BESS and provide a project-specific cost-per-kWh quote.