Renewable Energy · 109 MWp
PV Solar Park 109 MWp — Veles, North Macedonia
Turnkey EPC delivery of a 109 MWp utility-scale photovoltaic park in Veles, North Macedonia — design, procurement and construction. Currently in development.
SBU 02 · Energy, Industry & Infrastructure
Battery Storage.
Grid-scale and behind-the-meter battery energy storage — frequency regulation, peak shaving, solar firming, microgrids. Lithium-iron-phosphate, lithium-ion, flow batteries — selected per use-case economics.
SBU 02 · Energy, Industry & Infrastructure
Battery Storage.
Division overview
BESS Division
The Battery Storage Division engineers projects from the application case (FCAS, energy arbitrage, capacity, behind-the-meter) through delivery and ongoing operation. BESS unlocks the value of intermittent renewables and provides ancillary services to the grid.
Scope of services
What we deliver
- Use-case modelling and revenue stack analysis
- Battery sizing, augmentation strategy, degradation modelling
- Container layout, PCS sizing, MV connection design
- Fire detection and suppression to NFPA 855
- BMS/EMS architecture and integration
- Civil works, container erection, AC/DC integration, SCADA
Core expertise
How we work
- Design to IEC 62933, NFPA 855 and EN standards
- Energy market participation strategies (day-ahead, intraday, balancing)
- Multi-vendor compatibility — Tesla, BYD, CATL, Sungrow
- Performance guarantees with capacity-fade modelling
- EMS optimisation for revenue maximisation
Sectors served
Where we deliver
- Grid-scale storage (10–500 MWh)
- Solar+storage and wind+storage hybrid plants
- Industrial peak-shaving and demand-charge mitigation
- Microgrids and remote off-grid systems
- Backup power for critical facilities
- EV charging infrastructure storage buffers
Featured projects
Executed reference projects.
A selection of delivered APIS projects relevant to this division's scope of work.
Renewable Energy · 49 MWp
PV Solar Park 49 MWp — Shtip, North Macedonia
Turnkey EPC delivery of a 49 MWp utility-scale photovoltaic park in Shtip, North Macedonia — design, procurement and construction. Currently under construction.
Renewable Energy · 3 MW
PV System — KFOR / Carabinieri Camp
Design, installation and maintenance of photovoltaic system, electrical networks and industrial lighting for the Italian KFOR / Carabinieri compound in Prishtina.
Frequently asked
Battery Energy Storage (BESS) — your questions
What does the BESS Division deliver?
Battery energy storage projects from the application case — FCAS, energy arbitrage, capacity or behind-the-meter — through delivery and ongoing operation.
Which standards apply to battery storage systems?
Design follows IEC 62933, NFPA 855 and EN standards, including fire detection and suppression to NFPA 855.
Which battery suppliers does APIS work with?
The division is multi-vendor compatible, including Tesla, BYD, CATL and Sungrow.
Can a battery system earn revenue in energy markets?
The division models use cases and revenue stacks and develops participation strategies for day-ahead, intraday and balancing markets, with EMS optimisation for revenue.
Where is battery storage typically used?
Grid-scale storage, solar-plus-storage and wind-plus-storage hybrid plants, industrial peak shaving and demand-charge mitigation, microgrids, backup power for critical facilities and EV charging buffers.
Ready to talk?
Brief us. We'll send the right Battery Storage specialists.
Offersoffers@apisgroup.net
Phone+383 49 787 233