As Solar+BESS systems move from standalone generation assets to critical grid infrastructure, grid codes demand millisecond-level response while cybersecurity requirements under NIS2, NERC CIP, and IEC 62443 rise. Moxa's portfolio of industrial Ethernet switches, secure routers, computers, protocol gateways, and network management software delivers cyber-resilience, deterministic response, and hybrid integration for Solar+BESS systems' 20+ year life cycles.