The passive collector records PSU draw at idle too, so right after boot the "observed peak" is just idle wattage and a load % off it is meaningless. Require the observed peak to sit >=25% above current draw before using it as a load scale; until a real full-load run bumps it, show plain watts. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019VHG21rgTUiR1G3qFHTVmN