How it works
Annual cost = server watts × count × PUE × hours ÷ 1,000 × tariff.
Input definitions
- Average server draw (W)
- Enter the value in the labeled unit.
- Server count
- Enter the value in the labeled unit.
- Facility PUE
- Enter the value in the labeled unit.
- Operating hours per year
- Enter the value in the labeled unit.
- Electricity price per kWh
- Enter the value in the labeled unit.
A worked example
- Average server draw (W)
- 250
- Server count
- 10
- Facility PUE
- 1.5
- Operating hours per year
- 8760
- Electricity price per kWh
- 0.15
Assumptions & limits
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-19. Content checked against the stated method and examples. Our verification approach.
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Common questions
What does PUE add?
PUE allocates cooling, power conversion and facility overhead relative to IT energy.
How does Server annual energy cost calculate the result?
Annual cost = server watts × count × PUE × hours ÷ 1,000 × tariff.
What should I verify before using Server annual energy cost?
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.