EnergonRelics/src/main/resources/assets/energonrelics/blockstates/energon_light.json

{
    "variants": {
        "powered=false": {
            "model": "energonrelics:block/energon_light_off"
        },
        "powered=true": {
            "model": "energonrelics:block/energon_light_on"
        }
    }
}