https://www.merriam-webster.com/dictionary/reserved%20power
RESERVED POWER Definition & Meaning - Merriam-Webster
The meaning of RESERVED POWER is a political power reserved by a constitution to the exclusive jurisdiction of a specified political authority.
reserved powerdefinitionmeaningmerriamwebster
https://mc-a3a84cd4-6d24-49bb-b3f6-783626-cm.azurewebsites.net/energy-and-services/conservation/federal/energy-smart-reserved-power
Energy Smart Reserved Power - Bonneville Power Administration
energy smartreserved powerbonnevilleadministration