Energy & Sustainability worked example

Energy Cost per Part with average equipment demand of 380 kW: a worked example

What does the result look like when average equipment demand reaches 380 kW? The full calculation is worked below with real intermediate numbers. a plant team needs to assign electricity cost to a product, line, shift, batch, or work order

The inputs for this scenario

  • Average equipment demand: 380 kW (raised for this scenario; the documented default is 150)
  • Operating runtime: 8 hr (unchanged)
  • Blended electricity rate: 0.12 $ / kWh (unchanged)
  • Good units produced: 5,000 units (unchanged)

Working through the calculation

  • Applying the documented formula (Electricity used = average equipment demand × operating runtime) to the inputs above produces each figure below.
  • At this operating point the engine returns 365 $ for total electricity cost, the number this scenario is built around.
  • At this operating point the engine returns 3,040 kWh for electricity used.
  • At this operating point the engine returns 0.07 $ / unit for energy cost per good unit.
  • At this operating point the engine returns 45.6 $ / hr for electricity cost per operating hour.

How this compares with the baseline

  • Against the tool's baseline example, where average equipment demand sits at 150 kW and the headline result is 144 $, this scenario comes in 153% above the baseline at 365 $.
  • A figure at this level is achievable when average equipment demand is genuinely sustained, not just peaked for a shift. It assumes the machine draws a steady average demand for the whole runtime, so for equipment with heavy idle, ramp, or peak-demand charges you should use measured kWh from a submeter instead of nameplate kW.

Results at a glance

  • Total electricity cost: 365 $ (headline result)
  • Electricity used: 3,040 kWh
  • Energy cost per good unit: 0.07 $ / unit
  • Electricity cost per operating hour: 45.6 $ / hr

Run it with your numbers

  • Every input above is editable in the live Energy Cost per Part calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.