Your capacity forecast for Q2 predicted 320 hours of senior consultant time. However, you actually burned 410 hours. That’s a 90-hour difference you didn’t see coming. It equals roughly two and a half weeks of work for one person.
Can you explain where those 90 hours went with exact details? If you cannot, your capacity forecast is not a management tool. Instead, it is just a planning exercise that provides a false sense of control.
Why Capacity Variance Reviews Matter
Fortunately, variance review fixes that problem. Save your projection first. Then, wait for reality to roll in. Compare them head to head, and categorize every hour of the delta.
In fact, the same discipline that drives revenue forecasting applies here. You are not trying to be perfect. Instead, you are trying to learn.
The Four Capacity Variance Buckets
Capacity variance breaks down into four distinct buckets:
- Estimation variance happens when projects take more hours than you scoped. This means your estimation model needs recalibration.
- Scope variance shows up when clients add work outside the engagement. This means your change order process needs patching.
- Efficiency variance means the team spent extra hours per deliverable. This points to training gaps, tooling issues, or process friction.
- Mix variance occurs when work shifts toward senior-heavy engagements. This means your staffing model does not match sales.
Consequently, each category points to a different fix. Estimation variance is a methodology problem. Meanwhile, scope variance lives in contracts and client communication.
In addition, efficiency variance belongs to operations, training, and tooling. In contrast, mix variance sits upstream with sales decisions.
How to Test and Improve Your Forecasts
To test this, run a check this quarter. Pull your last three projects. Compare estimated hours directly against actual hours.
For each project that ran over, assign the variance to one of those four buckets. Do this for one quarter to reveal clear patterns.
Furthermore, after three quarters of tracking, the benefits become clear. Your estimation model tightens. Scope discipline improves, and team efficiency stabilizes. As a result, your forecast matches reality closely enough to make confident hiring decisions.
Moving from Capacity Guesses to System Control
The BOI System scores this at Deliver Tools Level 5. At this level, the variance between capacity projection and reality gets tracked systematically. Ultimately, we do not measure the forecast itself. Instead, we measure your ability to learn from being wrong.
Treating a forecast as a commitment instead of a hypothesis is not accountability. Instead, it is arrogance dressed up as discipline. You will be wrong at times. Therefore, the question is whether you will use that error to improve.
In short, forecasting is not about being right. It is about being less wrong every single quarter.
Indeed, I have watched owners beat themselves up over missed projections for years. However, the ones who improve stop defending the forecast. Instead, they start interrogating it. First, run the variance. Next, find the bucket. Finally, fix the root cause. Do that four times, and your capacity planning changes completely.
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