20 Backup Power: Provide The DER system, including energy storage and Autonomous O O O Decision by the backup power after electric vehicles, has the ability to provide real DER Local: Monitor voltage, disconnecting from grid power when the site is disconnected from grid owner/manager frequency, and power. The reason is for providing backup power to connected load the facility and possibly black start capabilities. Storage-specific Functions 21 Set Charge Rate: Storage DER storage converters should have the ability to Autonomous H converters should have have charge (default 10% minute) so that they the ability to set a charge do not provoke inrush in local utilities rate 22 Storage Storage facilities can charge during overfrequency Autonomous H Ability to vary and discharge during under frequency events. This ICT: Utility or REP active power during can support the grid and support grid stabilization. frequency changes
20 Backup Power: Provide backup power after disconnecting from grid The DER system, including energy storage and electric vehicles, has the ability to provide real power when the site is disconnected from grid power. The reason is for providing backup power to the facility and possibly black start capabilities. Autonomous Local: Monitor voltage, frequency, and connected load O O O Decision by the DER owner/manager Storage-specific Functions 21 Set Charge Rate: Storage converters should have the ability to set a charge rate DER storage converters should have the ability to have charge (default 10% minute) so that they do not provoke inrush in local utilities Autonomous H 22 Storage Ability to vary active power during frequency changes Storage facilities can charge during overfrequency and discharge during under frequency events. This can support the grid and support grid stabilization. Autonomous ICT: Utility or REP H
SIWG_Phase_3_Functions_v3.docx