---
title: Calculation reference values
description: This page provides a reference for the calculation values used to estimate the environmental impact of Scaleway's infrastructure.
tags: environmental-impact calculation-values datacenter reference
dates:
  validation: 2025-06-09
  posted: 2025-06-09
---

The values referenced below are the ones used by Scaleway in the [Environmental Footprint calculation](/environmental-footprint/additional-content/environmental-footprint-calculator).

## Energy mix
| Country | Energy Mix (kgCO2e/kWh) |
| --- | --- |
| France | 0.044 |
| Netherlands | 0.253 |
| Poland | 0.615 |
| Italie | 0.284 |

**Source**: [Ember](https://ember-climate.org/)


## Datacenter PUE/WUE

| Datacenter | PUE | WUE |
| --- | --- | --- |
| fr-par-1 | 1.45 | 0.009 |
| fr-par-2 | 1.16 | 0.25 |
| fr-par-3 | 1.44 | 0.001 |
| nl-ams-1 | 1.38 | 0.85 |
| nl-ams-2 | 1.4 | NA |
| nl-ams-3 | 1.2 | NA |
| pl-waw-1 | 1.50 | NA |
| pl-waw-2 | 1.24 | NA |
| pl-waw-3 | 1.5 | NA |

**Sources**:
  - [FR-PAR-1](https://pue.dc2.opcore.eu/en/)
  - [FR-PAR-2](https://pue.dc5.opcore.eu/en/)

## Lifespan
| Component | Lifespan (years) |
| --- | --- |
| Hardware | 6 |
| Data Center | 25 |
| Network Hardware Equipment | 10 |