From EPC Documentation to System Assurance
European utility-scale battery energy storage systems can no longer be delivered as collections of electrical equipment, supplier packages and conventional commissioning documents. Their market-facing, software-dependent and remotely operated nature requires systems engineering, explicit integration ownership, cybersecurity-by-design, controlled interfaces, evidence-based FAT and SAT, demonstrated recovery and continuous lifecycle assurance.
| Modified | Jul 18, 2026 |
| Keywords | BESS, battery energy storage system, utility-scale battery storage, energy storage, European energy infrastructure, EPC, Engineering Procurement and Construction, BoP, Balance of Plant, system integrator, systems engineering, system assurance, requirements engineering, requirements traceability, interface control, functional architecture, command authority, command governance, configuration management, verification and validation, V-model, Factory Acceptance Testing, FAT, Site Acceptance Testing, SAT, commissioning, operational validation, operational resilience, cybersecurity by design, OT cybersecurity, industrial control systems, IEC 62443, IEC 62351, NIS2, Cyber Resilience Act, Critical Entities Resilience Directive, Data Act, Batteries Regulation, digital battery passport, supply-chain security, vulnerability management, secure remote access, PAM, SIEM, IDS/DPI, backup and recovery, RTO, RPO, EMS, PPC, SCADA, BMS, PCS, TSO, DSO, grid code, market integration, BRP, BSP, technical debt, lifecycle assurance |


