PWPM Wiki

Power Plant Construction Assumptions Log

This is a practical guide to building a assumptions log for a power plant construction project — a register of the assumptions the plan depends on, to be validated, adapted to the realities of building a power generation facility.

What a Assumptions Log is

A assumptions log is a register of the assumptions the plan depends on, to be validated. For the full concept and how it works in general, see Project Assumption. On a power plant construction project it plays the same role, tuned to this kind of work.

Why it matters for a Power Plant Construction project

Power Plant Construction projects live or die on building a power generation facility. A well-built assumptions log gives the team a shared, explicit reference for exactly that — reducing ambiguity, aligning stakeholders, and making problems visible early enough to act. Skipping it, or doing it generically, is how power plant construction projects drift into avoidable delay and cost.

What to include

  • Assumption
  • Impact if wrong
  • Owner
  • Validation status

Power Plant Construction-specific considerations

Tailor the assumptions log to the risks that most often derail power plant construction projects:

  • Grid connection
  • Safety and environmental risk
  • Large capital and long payback

Example

On a real power plant construction project, the assumptions log would be shaped by building a power generation facility. In particular, it should explicitly account for the project’s biggest risks — grid connection, safety and environmental risk, large capital and long payback — rather than treating them as afterthoughts.