[psidnell]

For comparison, my top items by avg. energy impact are:

• Terminal: 10.55
• Eclipse: 9.22
• PinPoint: 7.6
• Safari: 2.35
• Spotlight: 1.92
• Omnifocus: 1.87
• Mail: 1.67
• etc. etc.

I didn't find anything very useful describing the units, just "lower is better".