PWPM Wiki

Renewable Energy Project Cost Estimate

This is a practical guide to building a cost estimate for a renewable energy project project — a forecast of the money required to complete the work, adapted to the realities of delivering a renewable energy installation.

What a Cost Estimate is

A cost estimate is a forecast of the money required to complete the work. For the full concept and how it works in general, see Cost Estimation. On a renewable energy project project it plays the same role, tuned to this kind of work.

Why it matters for a Renewable Energy Project project

Renewable Energy Project projects live or die on delivering a renewable energy installation. A well-built cost estimate 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 renewable energy project projects drift into avoidable delay and cost.

What to include

  • Labour costs
  • Material/equipment costs
  • Indirect costs
  • Contingency
  • Estimate basis and assumptions

Renewable Energy Project-specific considerations

Tailor the cost estimate to the risks that most often derail renewable energy project projects:

  • Regulatory and grid approval
  • Large capital and payback
  • Technical integration

Example

On a real renewable energy project project, the cost estimate would be shaped by delivering a renewable energy installation. In particular, it should explicitly account for the project’s biggest risks — regulatory and grid approval, large capital and payback, technical integration — rather than treating them as afterthoughts.