Battery Storage EPC
Grid-scale and commercial battery energy storage, delivered EPC or EPC+F. From 1 MWh behind a factory to 500 MWh on a utility network.
- Range
- 1 MWh – 500 MWh
- Chemistry
- LiFePO4
- Fire safety
- NFPA 855
- Standards
- IEC 62933
Why storage, specifically
Solar overproduces at midday and generates nothing after sunset. Storage moves cheap midday generation into the evening peak, and that is the whole economic argument in most markets. But there are three other cases that close deals faster:
- Resilience — where grid supply is interrupted, storage is an operational necessity rather than an optimisation. In South Africa load shedding frequently sets the battery size and the solar array is sized to serve it.
- Poor export tariffs — where exported power earns far less than imported power costs, storing generation beats selling it. Pakistan's move to net billing and Oman's feed-in tariff both create this.
- Grid constraint — where a connection is capacity-limited, storage lets a site draw more energy without drawing more power.
What a BESS is made of
| Component | Function |
|---|---|
| Battery racks | LiFePO4 cells assembled into modules and racks — the energy store |
| Battery management system | Monitors voltage, current and temperature per cell; isolates faults instantly |
| Power conversion system | Bidirectional inverter charging and discharging between DC battery and AC grid |
| Thermal management | Liquid cooling or HVAC keeping cells inside their safe temperature window |
| Fire detection and suppression | Gas detection, clean-agent or aerosol suppression, deflagration venting |
| EMS / SCADA | Dispatch intelligence, utility communications and MV step-up connection |
Delivery timeline
Commercial and industrial systems of 1 to 20 MWh take four to eight months. Utility-scale installations of 50 to 500 MWh take eight to 14 months, covering interconnection study, civil works, container setting, electrical integration and grid-code compliance testing.
Fire safety is not a checkbox on a storage project. NFPA 855 governs separation distances, enclosure design, deflagration venting and suppression. In dense urban sites and inside occupied buildings this frequently determines where the system can physically go, which is why we resolve it at concept stage rather than at approval stage.
Thermal design in hot climates
Lithium cells degrade faster at elevated temperature, and Gulf ambient conditions push thermal management from a design detail to the primary determinant of asset life. A battery specified on a European datasheet and installed in Sharjah will not deliver its rated cycle life. We size cooling for the actual site, not for the catalogue.
Frequently asked questions
What size battery storage systems do you deliver?
From 1 MWh commercial systems behind the meter to 500 MWh grid-scale installations.
How long does a battery storage project take?
Commercial systems of 1 to 20 MWh take four to eight months. Utility-scale systems of 50 to 500 MWh take eight to 14 months including interconnection study, civil works and grid-code compliance testing.
What standards apply to battery storage?
IEC 62933 for battery energy storage systems and NFPA 855 for energy storage fire safety, alongside IEEE 1547 for grid interconnection. Fire safety requirements often determine where a system can physically be sited.
Why does thermal management matter so much in the Gulf?
Lithium cells degrade faster at elevated temperature, so ambient conditions in the Gulf make cooling the primary determinant of asset life. A system sized against a European datasheet will not deliver its rated cycle life here.
Can storage be added to an existing solar system?
Often yes, though it depends on the existing inverter architecture and available space. We assess the installed system before proposing a retrofit rather than assuming compatibility.
Start a project
Considering storage?
Tell us the load profile, the tariff structure and what problem you are solving, and we will size the system against that rather than against a template.
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