I like J as a shorthand for kWh or Newton-meters in units that incorporate joules.

kWh consumed per month makes more sense inside my heart than joules consumed per month.

I had to take the same intro-physics course twice despite passing both with perfect As, because of Paper reasons, so Joules will always be kilogram-meters-meters-per-second-squared to me. If someone expresses them as Pascal-cubic-meters or Coulomb-Volts then I will feel honestly quite Disgusted