Storage built around your grid connection
Utility-Scale Battery Energy Storage Systems
Shift renewable energy. Support the grid. Define a system around your operating strategy.
2.51–5.015 MWh per container. Scalable LFP battery storage with project-specific power conversion, controls and grid integration.
01 / Find your fit
What should your
battery system do?
The application comes first. Power, capacity and dispatch strategy follow.
Make variable generation more dispatchable.
Pair storage with solar or wind to shift energy, smooth output and manage curtailment. Define the dispatch strategy around generation, export limits and market requirements.
Discuss this applicationConfigure storage around the grid’s requirements.
Evaluate frequency regulation, spinning reserve, voltage support and capacity requirements. Power conversion, protection and control architecture are defined around the interconnection agreement.
Discuss this applicationPlan power, duration and operating mode together.
Explore peak shaving, load shifting, transmission and distribution deferral, backup, black start or islanded operation. Each function depends on the selected PCS, controls and complete project design.
Discuss this applicationFor utilities, grid operators, independent power producers and infrastructure owners. Develop the storage configuration around the required grid service, renewable asset or network constraint.
Explore common sites & operating needs
Grid Operators and ISOs
Frequency control, voltage support, congestion management, and grid stability.
Renewable Energy Developers
Firming, ramp control, and dispatch of solar and wind to meet interconnection and market requirements.
Critical Infrastructure Operators
Backup power and resiliency for hospitals, water treatment, logistics, and essential services.
Large-Scale Industrial Facilities
Peak shaving, load management, and power stability for high-demand operations.
Utility and Municipal Networks
T&D deferral, capacity support, and grid modernisation.
IPPs and Energy Traders
Energy arbitrage, ancillary services, and dispatchable capacity for wholesale markets.
02 / Define the system
Understand the equipment.
Define the complete scope.
A container is one part of a BESS. Your proposal should make the full project scope clear.
The battery platform
Inside the BX container
- Containerized modular LFP battery racks
- Battery management and active liquid cooling
- Integrated aerosol suppression and multi-zone detection
- Container specifications in the product datasheet
Defined around your project
Beyond the container
- PCS selection, power rating and grid-forming functions
- Plant EMS, SCADA and dispatch strategy
- LV / MV / HV interconnection, protection and metering
- Site works, commissioning and operating scope
Equipment, responsibilities and exclusions are confirmed in the project proposal. Final configuration depends on the application and electrical requirements.
03 / Why BX
Why BX utility-scale battery storage
Grid requirements first
Interconnection, protection and operating requirements shape the storage configuration.
Modular container platform
LFP batteries, liquid cooling and integrated safety systems in a scalable container architecture.
Coordinated integration
PCS, EMS and SCADA interfaces are defined for commissioning, control and the selected grid services.
From first question to defined scope
What happens
after you enquire.
Bring installation, commissioning and operating requirements into the conversation before procurement.
- 01
Define the operating strategy
Start with location, project stage and the intended grid service, renewable asset or load requirement.
- 02
Review the plant configuration
Discuss MW, MWh, duration, PCS, controls and the point of connection against the operating profile.
- 03
Agree the project scope
Confirm equipment, studies, interfaces, site responsibilities and the next engineering or commercial step.
Planning a peak-shaving project?
Explore how demand, tariff and dispatch shape battery sizing.
04 / Technical reference
Utility-scale battery storage configurations
2.51 MWh to 5.015 MWh per container, scalable to multi-container, multi-MWh deployments.
Compare all 4 models below. On smaller screens, swipe across the table.
| Specification | U-ESS-2510 | U-ESS-3340 | U-ESS-4180 | U-ESS-5015 |
|---|---|---|---|---|
| Battery Configuration | 6 racks | 8 racks | 10 racks | 12 racks |
| Usable Energy (MWh) | 2.51 | 3.344 | 4.18 | 5.015 |
| Max Power (MW) | 1.25 | 1.67 | 2.09 | 2.51 |
| Net Weight | 24,000 kg (53,000 lb) | 30,000 kg (66,000 lb) | 36,500 kg (81,000 lb) | 44,000 kg (95,000 lb) |
| Battery Chemistry | Lithium Iron Phosphate | |||
| Roundtrip Efficiency | 96% (25°C, 0.5C) | |||
| System Nominal Voltage (Vdc) | 1,331.2 | |||
| Min. Operating Voltage (Vdc) | 1,164.8 | |||
| Max. Operating Voltage (Vdc) | 1,476.8 | |||
| Operating Temperature | −30°C to 55°C (−22°F to 131°F) | |||
| Product Dimensions (D×W×H) | 2.5 × 6.1 × 2.9 m (8 × 20 × 9.5 ft) | |||
Published product ratings. Confirm the selected configuration and complete system requirements during project review.
SYSTEM DESIGN NOTES
Integration, documentation & delivery
Platform & operating dataCapacity, thermal management & operating limits
Four container configurations support multi-container, multi-MWh projects. Active liquid cooling supports thermal stability and continuous-duty operation. Review capacity, power, voltage and physical requirements together with the selected PCS, controls and grid connection.
Electrical & control integrationPCS, controls & electrical interfaces
Low, Medium and High Voltage Interconnections
Interconnection engineering spans low, medium and high voltage points of connection. BX coordinates studies, protection and metering so the storage plant performs to the interconnection agreement as designed.
Solar PV Plants
Storage co-locates with utility scale PV to firm output, shift energy into evening peaks and manage curtailment. Shared infrastructure lowers the combined cost of energy.
Wind Farms
Paired with wind, storage smooths variable output and holds energy through low price periods. It adds dispatchability that strengthens offtake agreements and market participation.
SCADA Systems
Plant SCADA integration brings the battery into the same operational view as the rest of the site. Standard protocols connect controllers, meters and relays for full visibility.
EMS Platforms
The EMS runs the commercial strategy: arbitrage, capacity commitments, ancillary services and state of charge management inside warranty limits.
Generator and Backup Systems
Storage integrates with generation assets for black start capability and long duration resilience. The battery carries fast transients while generators cover extended events.
PCS Agnostic Integration
BX engineers around your preferred power conversion vendors. The system architecture stays open so PCS selection follows project economics rather than lock in.
Functions such as backup transfer, grid support, black start and islanded operation depend on the selected power conversion, protection and controls.
Safety & project documentationProtection, certification scope & local approvals
LFP batteries, battery management, liquid cooling and integrated aerosol suppression form part of the battery platform. Review fire protection provisions, installation requirements and the local approval process together.
Confirm model-specific certification scope and documentation against applicable UL, IEC, NFPA and regional requirements. Discuss IEC 62619, UL 9540 and NFPA 855 applicability for the selected configuration and installation.
Grid-forming functions—including black start, islanded operation, synthetic inertia and voltage support—must be specified with the selected PCS and controls. Engineering documentation and any performance guarantees are defined in the project agreement.
Installation, warranty & supportSite responsibilities, warranty & service
Confirm site access, electrical installation, commissioning responsibilities and operating requirements before procurement. The proposal should identify delivery scope, support, warranty terms and exclusions for the selected configuration.
Discuss standard product warranties, extended coverage options up to 15 years, spare parts and service packages. Availability and terms depend on the equipment, project scope and operating profile.
For your technical review
Keep the container specifications at hand.
Capacity, electrical ratings and dimensions in one product PDF.
05 / Your questions
Before you move forward.
Answers to common sizing, integration and procurement questions.
IntegrationHow do your systems integrate with grid infrastructure?
Systems integrate with industry-standard PCS, EMS, SCADA, and protection schemes, configured to meet project-specific interconnection and grid service requirements.
DeploymentWhere can these systems be deployed?
Deployable across North America, Europe, the Middle East, Africa, and other IEC-based markets, subject to local grid codes and permitting requirements.
DocumentationWhat standards and certifications do your systems meet?
Designed to comply with applicable UL, IEC, NFPA, and regional grid interconnection standards. Confirm the applicable documentation and certification scope for the selected model and installation during project review.
ApplicationsWho deploys BX utility-scale systems?
Utilities, grid operators, IPPs, EPCs, and infrastructure owners across transmission, distribution, and renewable projects.
SupportWhat warranties and service options are available?
Standard product warranties included. Extended warranties, service agreements, and spare parts programs available based on project scope.
Getting startedHow do I get started with a project?
Provide site location, target capacity, and project scope. BX will review and define system configuration and next steps.
Your project starts with a conversation
Turn your energy goal
into a defined next step.
Share your project for sizing and pricing, or choose a time to speak with our team.