EPC · T06 · Storage & new fuels
Energy Storage — Integrated Storage Infrastructure & EPC
Engineering flexibility, reliability and energy resilience for the evolving power system.
BARREL supports energy storage infrastructure across electrochemical, mechanical, thermal and emerging storage technologies.
We approach storage as an integrated energy system rather than an isolated equipment installation — connecting generation, power conversion, storage management, grid infrastructure, controls, safety and operational requirements.
- Segments
- 9
- Work packages
- 4
- Scope items
- 40
01 · Classification
Technology portfolio
- 01
Battery storage
LFP, NMC and other applicable battery chemistries.
- 02
Flow batteries
Vanadium redox and other flow battery systems.
- 03
Pumped hydro
Open-loop and closed-loop pumped storage.
- 04
Thermal storage
Molten salt, hot water, steam and thermal media.
- 05
Compressed air
CAES and advanced adiabatic CAES.
- 06
Liquid air
Liquid Air Energy Storage (LAES).
- 07
Flywheel
High-power, short-duration storage.
- 08
Hydrogen
Power-to-hydrogen and hydrogen reconversion.
- 09
Emerging
Gravity and other long-duration storage concepts.
02 · Value chain
Storage EPC scope by technology
Every package is defined in the proposal with its interfaces, specifications, milestones and acceptance criteria.
- 01
Battery Energy Storage Systems (BESS)
14 scope items- Cell and battery technology evaluation
- Module and rack configuration
- Containerised battery systems
- Battery Management System (BMS)
- Power Conversion System (PCS)
- Energy Management System (EMS)
- HVAC and thermal management
- Fire detection and suppression interfaces
- Gas detection and emergency response
- AC/DC electrical integration
- Transformer and switchgear packages
- Grid interconnection
- SCADA and remote monitoring
- Testing and performance validation
- 02
Pumped hydro storage
8 scope items- Reservoir infrastructure
- Water conveyance systems
- Reversible pump-turbines
- Motor-generator systems
- Underground powerhouse interfaces
- Hydraulic structures
- Electrical systems and grid integration
- Operational control and dispatch interfaces
- 03
Molten salt and thermal storage
10 scope items- Thermal storage tank systems
- Hot and cold storage arrangements
- Heat-transfer fluid systems
- Pumps, valves and piping
- Heat exchangers
- Steam generation interfaces
- Thermal insulation
- Instrumentation and control
- Thermal-cycle integration
- Safety and process control
- 04
Mechanical storage
8 scope items- Compressed air systems
- Underground cavern infrastructure
- Compression and expansion trains
- Heat recovery and thermal management
- Liquid air storage systems
- Cryogenic process interfaces
- Flywheel systems
- Power conversion and controls
03 · Further scope
Integrated storage applications
- Solar-plus-storage
- Wind-plus-storage
- Hybrid renewable power plants
- Grid-scale standalone BESS
- Industrial captive storage
- Peak shaving
- Load shifting
- Frequency response
- Voltage support
- Renewable firming
- Backup and resilience
- Microgrid storage
- Energy arbitrage where market rules permit
Storage engineering deliverables
- Technology assessment
- Power and energy sizing
- Charge/discharge profile
- Storage duration
- Round-trip efficiency assumptions
- Degradation and augmentation strategy
- Thermal and fire safety design basis
- Grid impact study coordination
- Control and operating philosophy
- Performance and acceptance test plans
One delivery framework
Specialist scope. Common discipline.
Every technology page keeps its own engineering identity; every project runs on the same controls, quality, HSE and handover framework.
Project enquiry
Develop your energy storage project.
Share the technology, location, capacity and stage of your project. BARREL's engineering team replies with the scope it can take on, the specialist partners it would bring in and the next step towards a technical proposal.
Performance guarantees, output guarantees and turnkey responsibilities are contract-specific and are set out in each proposal.
Planning a power project? Let's build it on BARREL.
Every power project has its own technical requirements, commercial objectives, regulatory dependencies and implementation challenges. Tell us what you are planning, where you are in the project lifecycle and what support you need.
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