The armor pieces at the next spawn at a given location could be for the same set or for a different level (and/or a different type for T-series armors). The power armor chassis always spawns with a fusion core. Some locations also have a power armor station and/or a nearby extra ...
(I am working on adding some PA-Parts and Armors which will be placed all over the world.) Keeps the main quest PowerArmor (located on top of the Museum of Freedom) and also the PowerArmor at the Prydwen Does not remove spawned / placed PowerArmor wearing NPC's I did also not ...