District Energy & Thermal Network Equipment worked example

Field Install Cost at 58% installation scope included: a worked example in district energy & thermal network equipment

This worked example runs the field install cost numbers for a tougher week than the baseline: 58% installation scope included instead of the typical 80%. Estimate field installation cost for district energy piping, energy transfer stations, valves, meters, pumps, or thermal storage connections.

The inputs for this scenario

  • Field-installed length, stations, or packages: 100 ft, m, or packages (held at the documented default)
  • Installed field cost per unit: 45 $ / unit (held at the documented default)
  • Installation scope included: 58 % (the input this scenario stresses; the baseline uses 80)
  • Fixed mobilization, shutdown, or permit cost: 250 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Included variable field installation cost = field-installed length, stations, or packages × installed field cost per unit × installation scope included.
  • Total field installation cost works out to 2,860 $ at these inputs, and this is the headline figure for the scenario.
  • Installed field cost per unit works out to 28.6 $ / piece at these inputs.
  • Included variable field installation cost works out to 2,610 $ at these inputs.
  • Fixed mobilization, shutdown, or permit cost works out to 250 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where installation scope included sits at 80% and the headline result is 3,850 $, this scenario comes in 25.71% below the baseline at 2,860 $.
  • Use it when bidding a buried pre-insulated pipe run, an energy transfer station, or a substation package and you have a unit field rate plus a known lump-sum mobilization. A result at this level usually justifies acting on the stressed input before touching anything else, because every other figure in the table is downstream of it.

Results at a glance

  • Total field installation cost: 2,860 $ (headline result)
  • Installed field cost per unit: 28.6 $ / piece
  • Included variable field installation cost: 2,610 $
  • Fixed mobilization, shutdown, or permit cost: 250 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Field Install Cost calculator, set installation scope included to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.