Project Reference

BESS designed for frequency regulation.

EIF  ·  Slovakia

EIF

Client

Slovakia

Location

5Β 217.8 kWh

Energy Capacity

5Β 260 kW

On-Grid Power

A battery storage system that plays a crucial role in support services for Transmission System Operators (TSOs) and imbalance services on the energy market. The demand for stable, rapid response required a solution with two distinct batteries, each with its own inverter and transformer station. Redundant components were incorporated to ensure a high level of reliability.

EIF project, Slovakia

The Site

Challenges & Solutions.

The system was strategically installed during winter to be ready for operation in the new year β€” which posed unique challenges that required careful consideration of the civil-works solutions.

Technical Specification

Technical Details.

Battery Type
14Γ— Li-ion LFP CATL EnerOne β€” 372.7 kWh
PCS Type
2Γ— SMA SCS 2630 UP-XT
Execution
2023–2024
Functionalities
FCR, flexibility trading
System Voltage Output
22 kV
Status
In Operation

Full Project Delivery

Scope of Work.

Volthein delivered the full project lifecycle for the EIF BESS β€” from consulting and engineering through grid integration and EMS, to commissioning, grid compliance and ongoing asset management.

Step 01
Consulting & Engineering
System sizing, single-line design and the certification-ready technical package.
1
Step 02
System Procurement & FAT
Vendor-neutral sourcing of the batteries and power conversion, with factory acceptance testing.
2
Step 03
Grid Integration & EPC
Foundations, MV/LV works and grid connection through the project's substations.
3
Step 04
EMS & Control Systems
EMS/SCADA integration and activation of the contracted grid and market services.
4
Step 05
Commissioning & Grid Compliance
SAT, grid-code compliance verification and handover into operation.
5
Step 06
After-Sales & Asset Management
Monitoring, service and availability warranties over the system lifetime.
6
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