Quantifying Savings & Avoiding Pitfalls9 / 13
Calculating Adjusted Savings
Savings = (Baseline - Adjusted Actual) with all adjustments; confidence intervals.
10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026
With a baseline established and the adjustment factors understood, the savings calculation brings it together. The logic is simple in principle but demands care in execution.
In this lesson
- 01The fundamental equation
- 02Avoided energy use, not just lower bills
- 03Step by step
- 04A worked example
- 05Ongoing savings and cumulative totals
- 06Confidence and uncertainty
- 07Energy and cost
- 08Sources and further reading