BESS maintenance and O&M services

Preventive and corrective maintenance of utility-scale battery energy storage systems (BESS), carried out by BN CORE GROUP technicians on site, according to your procedures and the manufacturer’s standards.

What our maintenance teams do on site

Preventive maintenance of battery containers, PCS and MVS / transformer units, according to the manufacturer’s checklists.
Corrective maintenance and repairs within the scope you validate.
Torque checks of fasteners and verification of ventilation and cooling components.
Oil and diagnostic sample collection on cooling and transformer components.
On-site performance monitoring and checklist-based inspection of every unit.
Photographic documentation and a clear report per unit: what was checked, which anomalies, with supporting evidence.

How we work

1. Reception

Incoming equipment is received on site according to your procedures.

2. Inspection & documentation

Checklist-based inspection, visual checks and photographic documentation of every unit.

3. Reporting

You receive a clear report: which units, which anomalies, with supporting evidence.

4. Decision & correction

You decide what needs to be corrected and by whom; when it falls within our scope and is validated by you, we carry it out.

FAQ

Frequently asked questions

Do you carry out preventive maintenance on BESS sites?

Yes. Our technicians carry out preventive and corrective maintenance and on-site performance monitoring on BESS sites, following your procedures and the manufacturer’s standards in force on site.

What do we receive after a maintenance intervention?

A clear report: which units were checked, which anomalies were found, with photographic evidence, so that you can decide what needs to be corrected and by whom.

Who leads the BN CORE crew on site?

A BN CORE team leader organises and directs the crew, within your site safety rules.