S.L. 545.24 Art. 19Generators operating in parallel with the electricity distribution system.

Generators operating in parallel with the electricity distribution system shall:

(a) comply with the Network Code; and

(b) a new generator shall comply with Commission

Regulation EU) 2016/631and unless specified otherwise in the Network Code, shall also comply with MSA EN 50549-1 or an equivalent standard thereof when so considered by the Standards and Metrology Institute within the Malta Competition and Consumer Affairs Authority;

(c) be provided with backup equipment when designed to operate in backup operation mode which backup equipment shall use hardware that physically breaks the connection with the distribution system. Solid state relays or other semiconductors to break the connection are not permitted: Provided that the protection of the internal electrical installation shall remain functional also when supplied through the generator operating in backup operation mode. The anti-islanding protection in all cases shall automatically disconnect from the distribution system in the event of loss of supply from the distribution system, and/or deviation of voltage and/or frequency from normal supply conditions.

(d) have appropriate signage indicating the presence on the premises of a generator equipped with Backup operation mode function.