Verb Meaning to Process Energy?
In this instance, I would use the verb channel. It's often heard together with 'energy'.
Lexico gives this definition:
- Direct towards a particular end or object.
‘the council is to channel public funds into training schemes’
And Collins gives the following examples:
5) If you channel your energies or emotions into something, you concentrate on or do that one thing, rather than a range of things.
Stephen is channelling his energies into a novel called Blue. [VERB noun + into]Synonyms: direct, guide, conduct, transmit
So your sentence would be:
Joseph channelled the energy he had gathered into something new.